WO2019188875A1 - 高周波モジュール - Google Patents
高周波モジュール Download PDFInfo
- Publication number
- WO2019188875A1 WO2019188875A1 PCT/JP2019/012316 JP2019012316W WO2019188875A1 WO 2019188875 A1 WO2019188875 A1 WO 2019188875A1 JP 2019012316 W JP2019012316 W JP 2019012316W WO 2019188875 A1 WO2019188875 A1 WO 2019188875A1
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- WIPO (PCT)
- Prior art keywords
- filter
- terminal
- high frequency
- frequency switch
- frequency module
- Prior art date
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
Definitions
- the present invention relates to a high frequency module for communicating high frequency signals of a plurality of communication bands.
- communication terminals such as mobile communication devices are required to support a plurality of communication bands with a single communication terminal as well as downsizing.
- the high-frequency module described in Patent Document 1 includes a switch element and a plurality of filters.
- the switch element includes an antenna-side connection terminal connected to the antenna and a plurality of filter-side connection terminals connected to the filter.
- the switch element selectively connects the plurality of filter side connection terminals to the antenna side connection terminals.
- the plurality of filters include a duplexer in which two filters having different characteristics are bundled and a single filter. Each of the duplexer and the single filter is connected to a different filter side connection terminal in the switch element.
- an object of the present invention is to provide a high-frequency module having excellent transmission characteristics while including a multiplexer including a duplexer and a single filter.
- the high frequency module of the present invention includes a switch, a multiplexer, and a single filter.
- the switch has a common terminal, and a first selection terminal and a second selection terminal that are selectively connected to the common terminal.
- the multiplexer is connected to the first selection terminal.
- the single filter is connected to the second selection terminal. The electrical distance of the transmission path connecting the first selection terminal and the multiplexer is shorter than the electrical distance of the transmission path connecting the second selection terminal and the single filter.
- the electrical distance of the transmission path between the multiplexer and the switch which tends to increase the insertion loss (in short, the distance of the transmission path) is the electrical distance of the transmission path between the single filter and the switch. Shorter than a typical distance (in short, the distance of the transmission path). Thereby, the insertion loss with respect to the high frequency signal of the communication band transmitted on the multiplexer side is reduced.
- the insertion loss of the single filter itself is originally small for high-frequency signals in the communication band that transmit on the single filter side, so even if the transmission path on the single filter side is longer than the transmission path on the multiplexer side, the high-frequency module Has little effect on transmission loss. Therefore, the transmission characteristics of the high frequency module are improved.
- the high frequency module of the present invention includes a high frequency switch, a first filter, a second filter, a first circuit, and a second circuit.
- the high-frequency switch has an antenna-side terminal and a plurality of filter-side terminals, and selectively connects the plurality of filter-side terminals to the antenna-side terminal.
- the first filter includes a plurality of filters each having a different characteristic, and has a common terminal common to the plurality of filters.
- the second filter includes one filter.
- the first circuit connects the first terminal and the first filter in the plurality of filter-side terminals.
- the second circuit connects a second terminal of the plurality of filter-side terminals and a common terminal of the second filter.
- the signal transmission distance of the first circuit is shorter than the signal transmission distance of the second circuit.
- the signal transmission distance between the first filter and the high frequency switch which tends to increase the insertion loss, is shorter than the signal transmission distance between the second filter and the high frequency switch.
- the insertion loss with respect to the high frequency signal of the communication band which transmits a 1st circuit is reduced.
- the signal transmission distance of the second circuit is made longer than the signal transmission distance of the first circuit.
- the influence on the transmission loss of the high-frequency module is small. Therefore, the transmission characteristics of the high frequency module are improved.
- the high frequency module of the present invention may have the following configuration. There are a plurality of first filters and second filters. There are a plurality of first circuits and second circuits. The signal transmission distance of the longest first circuit in the plurality of first circuits is shorter than the signal transmission distance of the shortest second circuit in the plurality of second circuits.
- the high frequency module of the present invention may have the following configuration.
- the plurality of types of filters constituting the first filter perform filter processing on high-frequency signals in a plurality of communication bands that are communicated simultaneously.
- high-frequency signals in a plurality of communication bands that are targets of simultaneous communication in carrier aggregation are transmitted by the plurality of filters that form the first filter.
- the transmission characteristics of the high-frequency module can be improved while realizing carrier aggregation.
- the high frequency module of the present invention preferably has the following configuration.
- the frequency band of the second communication band in which the filter process is executed by the second filter is higher than the frequency band of the first communication band in which the filter process is executed by the first filter.
- a communication band in a high frequency band where impedance matching is not relatively easy is assigned to the second circuit, and a communication band in a low frequency band that is easy to design for impedance matching is assigned to the first circuit.
- the transmission characteristics of each communication band can be balanced, and deterioration of the transmission characteristics of the high-frequency module is suppressed. In other words, the transmission characteristics of the high-frequency module are improved as compared with an aspect not using this configuration.
- the high frequency module of the present invention preferably has the following configuration.
- the high frequency module includes a base on which a high frequency switch, a first filter, and a second filter are mounted.
- the second filter is disposed at a position farther from the switch than the first filter.
- the high frequency module of the present invention preferably has the following configuration.
- the base has a first surface and a second surface facing each other.
- the first filter and the second filter are mounted on the first surface.
- the high frequency switch is mounted on the second surface. In the plan view of the substrate, the first filter and the high frequency switch overlap, and the second filter and the high frequency switch do not overlap.
- the second terminal of the high-frequency switch is arranged on the outer edge side of the high-frequency switch with respect to the first terminal in the plan view of the base.
- the length of the second circuit in the base can be shortened while maintaining the relationship between the first circuit and the second circuit described above, and impedance matching with respect to the high-frequency signal transmitted through the second circuit is facilitated.
- the high frequency module of the present invention preferably has the following configuration.
- the second terminal to which the third filter that executes the filter processing of the communication band with the highest frequency in the plurality of second filters in the plan view of the base is connected to the plurality of second filters. It arrange
- This configuration can shorten the transmission distance of the high-frequency signal in the communication band with the highest frequency. Thereby, impedance matching with respect to the high-frequency signal is facilitated, and transmission loss is suppressed.
- the antenna-side terminal of the high-frequency switch is arranged closer to the center side of the high-frequency switch than the first terminal and the second terminal in a plan view of the base.
- the distance between the antenna-side terminal and the first and second terminals in the high-frequency switch is shortened. Accordingly, for example, even when the insertion loss requirement is severe at the second terminal, it becomes easy to satisfy the requirement.
- the high frequency module of the present invention preferably has the following configuration.
- the high-frequency module includes a composite device, a first matching element, a second matching element, and a base.
- the composite device is formed with a high frequency switch and an LNA, and is rectangular in plan view.
- the first matching element is connected between the high frequency switch and the first filter and the second filter.
- the second matching element is connected between the first filter and the second filter and the LNA.
- the base includes a first main surface and a second main surface facing each other, and the first matching element, the second matching element, the first filter, and the second filter are mounted on the first main surface,
- a composite device is mounted on the second major surface.
- the base is rectangular in plan view.
- the composite device is mounted on the substrate such that the side surface of the composite device has a predetermined angle with respect to the side surface of the substrate.
- the distance between the terminal of the composite device and the mounting terminal of the base can be increased without increasing the size of the base.
- the positional relationship between the first matching element and the second matching element can be set as appropriate.
- the high-frequency module of the present invention preferably has the following configuration.
- the LNA is formed at the corner of the composite device, and the high frequency switch is formed at the center of the composite device.
- LNA terminals connected to the LNA are formed at the corners of the composite device.
- the second matching element is mounted in the vicinity of the corner of the composite device when the base is viewed in plan.
- the first matching element is mounted at a position close to the formation region of the high frequency switch in plan view of the base.
- the distance between the LNA and the first matching element can be shortened, and the distance between the first matching element and the second matching element can be increased.
- FIG. 1 is a circuit diagram of a high-frequency module 10 according to the first embodiment of the present invention.
- 2A is a plan view showing the configuration of the high-frequency module 10 according to the first embodiment of the present invention
- FIG. 2B is a cross-sectional view taken along the line AA in FIG. 2A.
- FIG. 3 is a plan view showing an arrangement relationship of terminals of the high-frequency module 10 according to the first embodiment of the present invention.
- FIG. 4 is a circuit diagram of a high-frequency module 10A according to the second embodiment of the present invention.
- FIG. 5A is a plan view showing the configuration of the high-frequency module 10A according to the second embodiment of the present invention
- FIG. 5B is a cross-sectional view taken along the line BB of FIG. 5A.
- FIG. 6A is a plan view showing a configuration of a high-frequency module 10B according to the third embodiment of the present invention, and FIG. 6B is a cross-sectional view taken along the line CC in FIG. 6A.
- FIG. 7A is a plan view showing a configuration of a high-frequency module 10C according to the fourth embodiment of the present invention, and FIG. 7B is a DD cross-sectional view of FIG. 7A.
- FIG. 8A is a plan view showing a configuration of a high-frequency module 10D according to the fifth embodiment of the present invention, and FIG. 8B is a cross-sectional view taken along line EE of FIG. 8A.
- FIG. 9 is a plan view showing the configuration of a high-frequency module 10E according to the sixth embodiment of the present invention.
- FIG. 10 is a schematic circuit diagram of a high-frequency module 10F according to the seventh embodiment of the present invention.
- FIG. 11A is a plan view showing the configuration of the first main surface side of the high-frequency module 10F according to the seventh embodiment of the present invention.
- FIG. 11B is a plan view showing the configuration of the second main surface side of the high-frequency module 10F according to the seventh embodiment of the present invention.
- FIG. 1 is a circuit diagram of a high-frequency module 10 according to the first embodiment of the present invention.
- the high-frequency module 10 includes a circuit that receives high-frequency signals downstream from a plurality of communication bands.
- the following configuration can also be applied to a circuit that transmits an upstream high-frequency signal, and can also be applied to a circuit that performs transmission of an upstream high-frequency signal and reception of a downstream high-frequency signal.
- the high frequency module 10 includes a high frequency switch 11, a filter 21, a filter 22, a filter 23, a filter 31, a filter 32, a filter 33, a connection circuit 41, a connection circuit 42, a connection circuit 43, and a connection.
- the high-frequency module 10 further includes a matching element 51, a matching element 52, a matching element 53, a matching element 54, a matching element 55, a matching element 56, and a matching element 550.
- the high-frequency module 10 further includes a terminal Pan, a terminal Pb1, a terminal Pb2, a terminal Pb3, a terminal Pb4, a terminal Pb5, a terminal Pb6, a terminal Pb7, a terminal Pb8, a terminal Pb9, and a terminal Pb10.
- the filter 21, the filter 22, and the filter 23 correspond to the “first filter” of the present invention
- the filter 31, the filter 32, and the filter 33 correspond to the “second filter” of the present invention
- the connection circuit 41, the connection circuit 42, and the connection circuit 43 correspond to the “first circuit” of the present invention
- the connection circuit 44, the connection circuit 45, and the connection circuit 46 are the present invention. Corresponds to the “second circuit”.
- the high frequency switch 11 is formed using, for example, a semiconductor.
- the high-frequency switch 11 includes one antenna-side terminal Ps0 and a plurality of filter-side terminals Ps1, Ps2, Ps3, Ps4, Ps5, and Ps6.
- the high frequency switch 11 selectively connects any of the terminal Ps1, the terminal Ps2, the terminal Ps3, the terminal Ps4, the terminal Ps5, and the terminal Ps6 to the terminal Ps0.
- the high-frequency switch 11 may have a plurality of terminals on the antenna side. Moreover, the aspect by which only one terminal by the side of a filter is selected may be sufficient even if the aspect is selected.
- the terminal Ps0 of the high frequency switch 11 is connected to the terminal Pan, and the terminal Pan is connected to the antenna ANT outside the high frequency module 10.
- the terminals Ps1, Ps2, Ps3, Ps4, Ps5, and Ps6 of the high-frequency switch 11 are connected to the filter 21, the filter 22, the filter 23, the filter 31, the filter 32, and the filter 33, respectively. More specifically, the terminal Ps1 is connected to the filter 21 via the connection circuit 41. The terminal Ps2 is connected to the filter 22 via the connection circuit 42. The terminal Ps3 is connected to the filter 23 via the connection circuit 43. The terminal Ps4 is connected to the filter 31 via the connection circuit 44. The terminal Ps5 is connected to the filter 32 via the connection circuit 45. The terminal Ps6 is connected to the filter 33 via the connection circuit 46.
- the filter 21, the filter 22, the filter 23, the filter 31, the filter 32, and the filter 33 are filters using, for example, SAW resonators.
- the filter 21 includes a filter 211 and a filter 212.
- Each of the filters 211 and 212 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band. That is, the filter 211 and the filter 212 are each a single filter. The pass band of the filter 211 and the pass band of the filter 212 are different.
- the filter 21 is a multiplexer composed of a plurality of filters.
- the common terminal Pc21 of the filter 21 is connected to the connection circuit 41.
- the other terminal of the filter 211 is connected to the terminal Pb1 of the high-frequency module 10, and the other terminal of the filter 212 is connected to the terminal Pb2 of the high-frequency module 10.
- the filter 22 includes a filter 221 and a filter 222.
- Each of the filter 221 and the filter 222 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band. That is, each of the filter 221 and the filter 222 is a single filter. The pass band of the filter 221 and the pass band of the filter 222 are different.
- the filter 22 is a multiplexer configured by a plurality of filters.
- the common terminal Pc22 of the filter 22 is connected to the connection circuit 42.
- the other terminal of the filter 221 is connected to the terminal Pb3 of the high-frequency module 10, and the other terminal of the filter 222 is connected to the terminal Pb4 of the high-frequency module 10.
- the filter 23 includes a filter 231, a filter 232, and a filter 233.
- Each of the filter 231, the filter 232, and the filter 233 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band. That is, each of the filter 231, the filter 232, and the filter 233 is a single filter.
- the pass band of the filter 231, the pass band of the filter 232, and the pass band of the filter 233 are different.
- the filter 23 is a multiplexer composed of a plurality of filters.
- the common terminal Pc23 of the filter 23 is connected to the connection circuit 43.
- the other terminal of the filter 231 is connected to the terminal Pb5 of the high frequency module 10
- the other terminal of the filter 232 is connected to the terminal Pb6 of the high frequency module 10
- the other terminal of the filter 233 is the high frequency module. 10 terminals Pb7.
- the filter 31 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band.
- One terminal P31 of the filter 31 is connected to the connection circuit 44, and the other terminal of the filter 31 is connected to the terminal Pb8 of the high-frequency module 10.
- the filter 32 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band.
- One terminal P32 of the filter 32 is connected to the connection circuit 45, and the other terminal of the filter 32 is connected to the terminal Pb9 of the high-frequency module 10.
- the filter 33 is a filter that passes a high-frequency signal of one communication band and attenuates a high-frequency signal of another communication band.
- One terminal P33 of the filter 33 is connected to the connection circuit 46, and the other terminal of the filter 33 is connected to the terminal Pb10 of the high-frequency module 10.
- the matching element 51 is connected between the connection circuit 41 and the ground potential
- the matching element 52 is connected between the connection circuit 42 and the ground potential
- the matching element 53 is a connection circuit. 43 and the ground potential.
- the matching element 54 is connected between the connection circuit 44 and the ground potential
- the matching element 55 is connected between the connection circuit 45 and the ground potential
- the matching element 56 is connected to the connection circuit. 46 and the ground potential.
- the matching element 550 is inserted in series with the connection circuit 45.
- the following communication bands are assigned to the filter 21, the filter 22, the filter 23, the filter 31, the filter 32, and the filter 33 in the high-frequency module 10 having such a configuration.
- the following communication band names show the communication band names of LTE (Long Term Evolution) standard as an example.
- LTE Long Term Evolution
- the following allocation is an example and may be another example.
- a communication band B25 (1930 MHz-1995 MHz) is assigned to the pass band of the filter 211
- a communication band B66 (2110 MHz-2200 MHz) is assigned to the pass band of the filter 212.
- the communication band B 34 (2010 MHz-2025 MHz) is assigned to the pass band of the filter 221
- the communication band B 39 (1880 MHz-1920 MHz) is assigned to the pass band of the filter 222.
- Communication band B1 (2110 MHz-2170 MHz) is assigned to the pass band of filter 231 in filter 23, and communication band B3 (1805 MHz-1880 MHz) is assigned to the pass band of filter 232.
- Communication band B40 (2300 MHz-2400 MHz) is assigned to the pass band.
- Communication band B30 (2350 MHz-2360 MHz) is assigned to the pass band of the filter 31.
- a communication band B41 (2496 MHz-2690 MHz) is assigned to the pass band of the filter 32.
- a communication band B 7 (2620 MHz-2690 MHz) is assigned to the pass band of the filter 33.
- the high-frequency module 10 that enables selection of carrier aggregation can be realized with a simple configuration. Furthermore, the high frequency module 10 can improve transmission characteristics by providing a structure to be described later. That is, the high-frequency module 10 having excellent transmission characteristics can be realized while enabling carrier aggregation.
- a communication band of a frequency band (MH band) smaller than about 2.5 GHz is assigned to the filter 21, the filter 22, and the filter 23 that are multiplexers, and the filter 31, the filter 32 that is a single filter, and It is preferable to assign a communication band having a frequency band (H band) of about 2.5 GHz or more to the filter 33.
- H band frequency band
- impedance matching between the multiplexer type filter and the high frequency switch 11 becomes easier as the frequency band is higher. Therefore, by using a configuration in which such passband allocation is performed, insertion loss of each multiplexer-type filter can be suppressed, and deterioration in transmission characteristics of the high-frequency module 10 can be suppressed. In other words, the transmission characteristics of the high frequency module 10 can be improved.
- the plurality of filters constituting the multiplexer are not limited to a mode provided in one casing, but may be a mode in which each provided in another casing is connected by wiring of a substrate or the like. .
- FIG. 2A is a plan view showing the configuration of the high-frequency module 10 according to the first embodiment of the present invention
- FIG. 2B is a cross-sectional view taken along the line AA in FIG. 2A
- FIG. 3 is a plan view showing an arrangement relationship of terminals of the high-frequency module 10 according to the first embodiment of the present invention.
- the high-frequency module 10 includes a base body 100.
- the base body 100 is mainly formed of an insulating substrate, and has a main surface 101 and a main surface 102 that are parallel to each other and face each other.
- the base body 100 includes a main surface 101, a main surface 102, and a conductor pattern for realizing the circuit of the high-frequency module 10 shown in FIG.
- the main surface 101 corresponds to the “first surface” of the present invention
- the main surface 102 corresponds to the “second surface” of the present invention.
- Each of the filter 211 and the filter 212 constituting the filter 21 has a main body individually.
- Each of the filter 221 and the filter 222 constituting the filter 22 has a separate main body.
- Each of the filter 231, the filter 232, and the filter 233 constituting the filter 23 has an individual main body.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, the filter 232, and the filter 233 are mounted on the main surface 101 of the base body 100.
- the high frequency switch 11 is realized by a composite device 13 integrally formed with a plurality of LNAs 12.
- the composite device 13 has a formation region of the high frequency switch 11 and a formation region of the plurality of LNAs 12.
- the high frequency switch 11 is formed in the vicinity of one side surface of the composite device 13.
- the composite device 13 is mounted on the main surface 102 of the base body 100.
- the high-frequency switch 11 overlaps the filter 211 and the filter 212 in a plan view of the high-frequency module 10.
- the high frequency switch 11 overlaps the filter 231 and the filter 233. That is, the high frequency switch 11 overlaps the multiplexer filter 21 and the multiplexer filter 23.
- the high frequency switch 11 does not overlap the filter 31, the filter 32, and the filter 33.
- the physical distance between the high frequency switch 11 and the filter 31 in the plan view, the physical distance between the high frequency switch 11 and the filter 32, and the physical distance between the high frequency switch 11 and the filter 33 are compared.
- the physical distance between the high-frequency switch 11 and the filter 21 and the physical distance between the high-frequency switch 11 and the filter 23 are shortened. Therefore, the distance of the signal transmission path of the connection circuit 41 and the connection circuit 43 is shorter than the distance of the connection circuit 44, the connection circuit 45, and the connection circuit 46.
- the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 31 (electric length of the high-frequency signal), the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 32, and the high-frequency signal between the high-frequency switch 11 and the filter 33.
- the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 21 and the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 23 are shorter than the transmission distance.
- a multiplexer type filter that is, a filter in which a plurality of filters are bundled, is not easy to achieve impedance matching with respect to all the constituent filters, and the longer the distance from the high frequency switch 11 is, Become more difficult.
- the high-frequency module 10 has a short filter 21 and a high-frequency signal transmission distance between the filter 23 and the high-frequency switch 11. Therefore, the impedance matching between the multiplexer-type filter 21 and the filter 23 and the high-frequency switch 11 can be more reliably performed.
- the filter 31, the filter 32, and the filter 33 which are single filters, can easily perform impedance matching as compared with the multiplexer type. Therefore, the high frequency module 10 can perform impedance matching between the filter 31, the filter 32, the filter 33, and the high frequency switch 11 more reliably.
- the high frequency module 10 can realize excellent transmission characteristics in a configuration having a multiplexer type filter and a single filter.
- the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 31 (electric length of the high-frequency signal), the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 32, and the high-frequency signal between the high-frequency switch 11 and the filter 33 Compared with the transmission distance, the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 21, the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 22, and the transmission distance of the high-frequency signal between the high-frequency switch 11 and the filter 23 are Shorter.
- the high frequency module 10 can more reliably realize excellent transmission characteristics in a configuration having a multiplexer filter and a single filter.
- the length of the signal transmission distance of the connection circuit for all multiplexer filters is shorter than the length of the signal transmission distance of the connection circuit for all single filters.
- the longest distance among the signal transmission distances of the connection circuits for all the multiplexer filters is shorter than the shortest distance among the signal transmission distances of the connection circuits for all the single filters.
- at least one of the signal transmission distances of the connection circuit to the multiplexer filter is equal to the signal transmission distance of the connection circuit to the single filter. It may be shorter than the length.
- the high-frequency module 10 a plurality of filters 21, 22, 23, 31, 32, and 33 are mounted on the main surface 101 and the high-frequency switch 11 is mounted on the main surface 102 with respect to the base body 100. Thereby, the planar area of the high frequency module 10 becomes small. That is, a smaller high-frequency module 10 can be realized.
- the connection circuit 44 to the filter 31, the connection circuit 45 to the filter 32, and the connection circuit 46 to the filter 33 do not overlap with each other in plan view. Thereby, the electromagnetic coupling between the connection circuits is suppressed, and further excellent transmission characteristics can be realized.
- FIG. 4 is a circuit diagram of a high-frequency module 10A according to the second embodiment of the present invention.
- the high-frequency module 10A according to the second embodiment differs from the high-frequency module 10 according to the first embodiment in the configuration of the filter 23A. Further, the high frequency module 10 ⁇ / b> A omits the filter 33 with respect to the high frequency module 10. Accordingly, the high frequency switch 11 ⁇ / b> A omits the terminal Ps ⁇ b> 6 from the high frequency switch 11.
- the other basic configuration of the high-frequency module 10A is the same as that of the high-frequency module 10, and the description of the same parts is omitted.
- the high frequency switch 11A includes a terminal Ps0, a terminal Ps1, a terminal Ps2, a terminal Ps3, a terminal Ps4, and a terminal Ps5.
- the high frequency switch 11A selectively connects any one of the terminal Ps1, the terminal Ps2, the terminal Ps3, the terminal Ps4, and the terminal Ps5 to the terminal Ps0.
- the filter 23 ⁇ / b> A includes a filter 231 and a filter 232.
- the filter 231 and the filter 232 are connected, and this connection point becomes the common terminal Pc23A of the filter 23A.
- the common terminal Pc23A is connected to the terminal Ps3 of the high-frequency switch 11 via the connection circuit 43.
- FIG. 5A is a plan view showing the configuration of the high-frequency module 10A according to the second embodiment of the present invention
- FIG. 5B is a cross-sectional view taken along the line BB of FIG. 5A.
- the high-frequency module 10A is different from the high-frequency module 10 in that one-side mounting is generally employed.
- the high frequency module 10A includes a base body 100A.
- the base body 100A includes a main surface 101A and a main surface 102A that are parallel and face each other.
- the composite device 13A including the high frequency switch 11A is mounted on the main surface 101A of the base body 100A.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, the filter 232, the filter 31, and the filter 32 are mounted on the main surface 101A of the base body 100A.
- the filter 211, the filter 212, and the filter 221 are integrally formed in one housing.
- the filter 231 and the filter 232 are integrally formed in one housing.
- the composite device 13A is mounted in the center of the first direction DIR1 on the main surface 101A.
- the composite device 13A is mounted such that the high-frequency switch 11 is disposed in the vicinity of one end side in the second direction DIR2 on the main surface 101A, and the LNA 12 is disposed on the other end side.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, and the filter 232 are mounted at a position closer to one end side than the other end side in the second direction DIR2 in the main surface 101A.
- the filter 31 and the filter 32 are mounted at a position closer to the other end side than the one end side in the second direction DIR2 in the main surface 101A.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, and the filter 232 are physically closer to the high-frequency switch 11A than the filter 31 and the filter 32.
- the distance between the terminal Ps1 of the high frequency switch 11A and the common terminal Pc21 of the filter 21, the distance between the terminal Ps2 of the high frequency switch 11A and the common terminal Pc22 of the filter 22, and the high frequency switch 11A The distance between the terminal Ps3 and the common terminal Pc23A of the filter 23A is shorter than the distance between the terminal Ps4 of the high frequency switch 11A and the terminal P31 of the filter 31 and the distance between the terminal Ps5 of the high frequency switch 11A and the terminal P32 of the filter 32.
- the high-frequency switch 11A and the filter 21 compared with the transmission distance of the high-frequency signal between the high-frequency switch 11A and the filter 31 (electric length of the high-frequency signal) and the transmission distance of the high-frequency signal between the high-frequency switch 11A and the filter 32, the high-frequency switch 11A and the filter 21
- the transmission distance of the high frequency signal, the transmission distance of the high frequency signal between the high frequency switch 11A and the filter 22, and the transmission distance of the high frequency signal between the high frequency switch 11A and the filter 23A are shortened.
- the high-frequency module 10A can more reliably realize excellent transmission characteristics in a configuration having a multiplexer filter and a single filter.
- FIG. 6A is a plan view showing a configuration of a high-frequency module 10B according to the third embodiment of the present invention
- FIG. 6B is a cross-sectional view taken along the line CC in FIG. 6A.
- the high-frequency module 10B according to the third embodiment has a high-frequency switch 11B and an LNA 12B separated from the high-frequency module 10A according to the second embodiment. It differs in the point where it is done, and the arrangement of mounting.
- the other basic configuration including the circuit configuration of the high-frequency module 10B is the same as that of the high-frequency module 10A, and the description of the same parts is omitted.
- the high frequency module 10B includes a base body 100B, a high frequency switch 11B, and an LNA 12B.
- the base body 100B includes a main surface 101B and a main surface 102B that are parallel to and opposed to each other.
- the high frequency switch 11B and the LNA 12B are separate bodies each having an individual casing.
- the high frequency switch 11B and the LNA 12B are mounted on the main surface 101B of the base body 100B.
- the high frequency switch 11B is mounted in the vicinity of one end of the first direction DIR1 in the main surface 101B and in the vicinity of one end of the second direction DIR2. In other words, the high frequency switch 11B is mounted in the vicinity of one corner of the main surface 101B.
- the LNA 12B is mounted near the other end of the second direction DIR2.
- Filter 211, filter 212, filter 221, filter 222, filter 231, filter 232, filter 31, and filter 32 are mounted on main surface 101B of base body 100B.
- the filter 211 and the filter 212 are integrally formed in one housing.
- the filter 221 and the filter 222 are integrally formed in one housing.
- the filter 231 and the filter 232 are integrally formed in one housing. That is, the filter 21, the filter 22, and the filter 23A are each formed of an individual casing.
- Filter 211, filter 212, filter 221, filter 222, filter 231, and filter 232 are mounted adjacent to high frequency switch 11B on main surface 101B so as to surround high frequency switch 11B.
- the filter 31 and the filter 32 are arranged on the opposite side of the high frequency switch 11B with the filter 221, the filter 222, the filter 231, and the filter 232 interposed therebetween.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, and the filter 232 are physically closer to the high-frequency switch 11B than the filter 31 and the filter 32.
- the distance between the terminal of the high frequency switch 11B and the common terminal of the filter 21, the filter 22, and the filter 23A is the same as the terminal of the high frequency switch 11B and the filter. 31 and shorter than the distance between the filter 32 and the terminal of the filter 32.
- the transmission distance of the high-frequency signal between the high-frequency switch 11B and the filter 31 and the transmission distance of the high-frequency signal between the high-frequency switch 11B and the filter 32 the transmission distance of the high-frequency signal between the high-frequency switch 11B and the filter 21
- the transmission distance of the high frequency signal between the switch 11B and the filter 22 and the transmission distance of the high frequency signal between the high frequency switch 11B and the filter 23A are shortened.
- the high frequency module 10B can more reliably realize excellent transmission characteristics in a configuration having a multiplexer filter and a single filter.
- connection circuit 43 and the connection circuit 45 overlap in plan view.
- the ground conductor 40G is disposed between the connection circuit 43 and the connection circuit 45 inside the base body 100B. Thereby, high frequency coupling between the connection circuit 43 and the connection circuit 45 is suppressed. Therefore, the high frequency module 10B can realize excellent transmission characteristics.
- FIG. 6A if the connection circuit 43 and the connection circuit 45 are arranged substantially orthogonal to each other, high-frequency coupling is unlikely to occur, and therefore the ground conductor 40G may be omitted. Is possible.
- FIG. 7A is a plan view showing a configuration of a high-frequency module 10C according to the fourth embodiment of the present invention
- FIG. 7B is a DD cross-sectional view of FIG. 7A.
- the high-frequency module 10C according to the fourth embodiment is different from the high-frequency module 10B according to the third embodiment in the high-frequency switch 11C. And the positional relationship of each filter is different.
- the circuit configuration of the high frequency module 10B is the same as that of the high frequency module 10 according to the first embodiment.
- the other basic configuration of the high-frequency module 10C is the same as that of the high-frequency module 10B, and description of the same parts is omitted.
- the high frequency module 10C includes a base body 100C, a high frequency switch 11C, and an LNA 12C.
- the basic configuration of the high frequency switch 11C and the basic configuration of the LNA 12C are the same as those of the high frequency switch 11B and the LNA 12B, respectively.
- the base body 100C includes a main surface 101C and a main surface 102C that are parallel to each other and face each other.
- the high frequency switch 11C and the LNA 12C are mounted on the main surface 101C of the base body 100C.
- the high frequency switch 11C is mounted in the approximate center of the first direction DIR1 on the main surface 101C and in the vicinity of one end of the second direction DIR2.
- the LNA 12C is mounted near the other end in the second direction DIR2.
- Filter 211, filter 212, filter 221, filter 222, filter 231, filter 232, filter 233, filter 31, and filter 32 are mounted on main surface 101C of base body 100C. At this time, the filter 211 and the filter 212 are integrally formed in one housing. The filter 221, the filter 222, and the filter 233 are integrally formed in one housing. The filter 231 and the filter 232 are integrally formed in one housing.
- the filter 211 and the filter 212 are arranged on the other end side in the first direction DIR1 with respect to the high frequency switch 11C.
- the filter 211 and the filter 212 are disposed along the side surface facing the filter 211 and the filter 212 in the high-frequency switch 11C.
- the filter 221, the filter 222, and the filter 233 are disposed on the other end side (LNA 12C side) in the second direction DIR2 with respect to the high frequency switch 11C.
- the filter 221, the filter 222, and the filter 233 are disposed along the side surface of the high-frequency switch 11C that faces the filter 221, the filter 222, and the filter 233.
- the filter 233 is disposed closer to the filter 231 than the filter 211 in the first direction DIR1.
- the filter 231 and the filter 232 are arranged on one end side in the first direction DIR1 with respect to the high frequency switch 11C.
- the filter 231 and the filter 232 are disposed along a side surface facing the filter 231 and the filter 232 in the high-frequency switch 11C.
- the high-frequency switch 11 ⁇ / b> C has, on its three side surfaces, the first filter element that constitutes the set of the filter 211 and the filter 212, the second filter element that constitutes the set of the filter 221, the filter 222, and the filter 233. 231 and the filter 232 are surrounded by a third filter element.
- the filter 31 and the filter 32 are arranged at a predetermined distance from different corners of the high-frequency switch 11C.
- the filter 211, the filter 212, the filter 221, the filter 222, the filter 231, the filter 232, and the filter 233 are physically closer to the high-frequency switch 11C than the filter 31 and the filter 32.
- the distance between the terminal of the high frequency switch 11C and the common terminal of the filter 21, the distance between the terminal of the high frequency switch 11C and the common terminal of the filter 22, and the terminal of the high frequency switch 11C is shorter than the distance between the terminal of the high frequency switch 11C and the terminal of the filter 31 and the distance between the terminal of the high frequency switch 11C and the terminal of the filter 32.
- the transmission distance of the high-frequency signal between the high-frequency switch 11C and the filter 31 and the transmission distance of the high-frequency signal between the high-frequency switch 11C and the filter 32 the transmission distance of the high-frequency signal between the high-frequency switch 11C and the filter 21
- the transmission distance of the high frequency signal between the switch 11C and the filter 22 and the transmission distance of the high frequency signal between the high frequency switch 11C and the filter 23 are shortened.
- the high frequency module 10C can more reliably realize excellent transmission characteristics in a configuration having a multiplexer filter and a single filter.
- FIG. 8A is a plan view showing a configuration of a high-frequency module 10D according to the fifth embodiment of the present invention
- FIG. 8B is a cross-sectional view taken along line EE of FIG. 8A.
- the high-frequency module 10D according to the fifth embodiment is different from the high-frequency module 10 according to the first embodiment in terms of a high-frequency switch 11D. Is different from LNA 12D in that a plurality of filters are integrally formed.
- the circuit configuration of the high frequency module 10D is the same as that of the high frequency module 10A according to the second embodiment.
- the other basic configuration of the high-frequency module 10D is the same as that of the high-frequency module 10, and the description of the same parts is omitted.
- the high-frequency module 10D includes a base body 100D.
- the base body 100D has a main surface 101D and a main surface 102D that are parallel to each other and face each other.
- Filter 211, filter 212, filter 221, filter 222, filter 231, and filter 232 are mounted on main surface 101D of base body 100D. At this time, the filter 211 and the filter 221 are integrally formed in one housing. The filter 212 and the filter 222 are integrally formed in one housing. The filter 231 and the filter 232 are integrally formed in one housing.
- the high frequency switch 11D and the LNA 12D are mounted on the main surface 102D of the base body 100D.
- the high frequency switch 11D is arranged in a region on the one end side from the center in the second direction DIR2 in the main surface 102D.
- the LNA 12D is disposed in a region on the other end side from the center in the second direction DIR2 in the main surface 102D.
- the high frequency switch 11D overlaps the filter 211 and the filter 212 when the high frequency module 10D is viewed in plan.
- the high frequency switch 11 ⁇ / b> D overlaps the filter 221 and the filter 222.
- the high frequency switch 11 does not overlap the filter 31 and the filter 32.
- the physical distance between the high frequency switch 11D and the filter 21 is larger than the physical distance between the high frequency switch 11D and the filter 31 and the physical distance between the high frequency switch 11D and the filter 32 in plan view.
- the distance and the physical distance between the high frequency switch 11D and the filter 22 are shortened.
- the distance between the terminal of the high frequency switch 11D and the common terminal of the filter 21, the distance between the terminal of the high frequency switch 11D and the common terminal of the filter 22, and the terminal of the high frequency switch 11D is shorter than the distance between the terminal of the high frequency switch 11D and the terminal of the filter 31 and the distance between the terminal of the high frequency switch 11D and the terminal of the filter 32.
- the transmission distance of the high-frequency signal between the high-frequency switch 11D and the filter 31 and the transmission distance of the high-frequency signal between the high-frequency switch 11D and the filter 32 the transmission distance of the high-frequency signal between the high-frequency switch 11D and the filter 21
- the transmission distance of the high frequency signal between the switch 11D and the filter 22 and the transmission distance of the high frequency signal between the high frequency switch 11D and the filter 23A are shortened.
- the high frequency module 10D can more reliably realize excellent transmission characteristics in a configuration having a multiplexer filter and a single filter.
- FIG. 9 is a plan view showing the configuration of a high-frequency module 10E according to the sixth embodiment of the present invention.
- the high frequency module 10E according to the sixth embodiment is different from the high frequency module 10A according to the second embodiment in the terminal arrangement of the high frequency switch 11E.
- the other configuration of the high-frequency module 10E is the same as that of the high-frequency module 10A, and the description of the same portion is omitted.
- the high-frequency module 10E includes the filter 31E and the filter 32E, but is the same as the filter 31 and the filter 32 except for the assigned communication band.
- the communication band assigned to the filter 32E has a higher frequency than the communication band assigned to the filter 31E, or an aspect in which the communication band assigned to the filter 32E has more stringent performance requirements than the communication band assigned to the filter 31E. Applied.
- the terminal Ps4 and the terminal Ps5 are arranged on the outer edge side (side surface side) with respect to the center of the high frequency switch 11E as compared with the terminal Ps1, the terminal Ps2, and the terminal Ps3. Yes. That is, the terminals connected to the filter 31E and the filter 32E that transmit a relatively high frequency communication band are connected to the filter 21, the filter 22, and the filter 23A that transmit a relatively low frequency communication band. Compared to the terminal, the high frequency switch 11E is arranged on the outer edge side (side surface side) from the center.
- the high frequency module 10E can suppress the transmission loss with respect to the high frequency signal of the high frequency communication band in which the transmission loss is likely to occur.
- the terminal Ps5 connected to the filter 32E in the high frequency switch 11E is more out of the center of the high frequency switch 11E than the terminal Ps4 connected to the filter 31E in the high frequency switch 11E. It is arranged on the edge side (side surface side). As a result, the distance of the connection circuit 45 connected to the filter 32E is shorter than the connection circuit 44 connected to the filter 31E.
- the base body 100E is the same as the base body 100A
- the composite device 13E is the same as the composite device 10A.
- the transmission loss can be suppressed with respect to the high frequency signal of the high frequency communication band in which the transmission loss is more likely to occur.
- the performance requirement of the communication band assigned to the filter 32E is stricter than the communication band assigned to the filter 31E, transmission loss can be suppressed with respect to the high-frequency signal of the communication band having a severe performance requirement.
- the terminal Ps0 on the antenna side of the high frequency switch 11E is disposed at a position closer to the center than the outer edge of the high frequency switch 11E.
- the terminal Ps0 is disposed within a predetermined distance range with respect to each of the terminal Ps1, the terminal Ps2, the terminal Ps3, the terminal Ps4, and the terminal Ps5. Accordingly, none of the terminals Ps1, Ps2, terminals Ps3, terminals Ps4, and terminals Ps5 are arranged far away from the terminal Ps0.
- transmission loss due to an increase in the transmission distance in the high-frequency switch 11E is suppressed with respect to all the terminals Ps1, terminal Ps2, terminal Ps3, terminal Ps4, and terminal Ps5.
- the terminal Ps0 to the terminal Ps4 and the terminal Ps5 are closer to the outer edge than the terminal Ps1, the terminal Ps2, and the terminal Ps3, depending on the arrangement mode of the terminal Ps0, the terminal Ps0 to the terminal Ps4 and the terminal Ps5 The distance will be longer.
- the distance from the terminal Ps0 to the terminal Ps4 and the terminal Ps5 can be shortened, and the high-frequency module 10E can suppress transmission loss between the terminal Ps0 and the terminals Ps4 and Ps5.
- FIG. 10 is a schematic circuit diagram of a high-frequency module 10F according to the seventh embodiment of the present invention.
- FIG. 11A is a plan view showing the configuration of the first main surface side of the high-frequency module 10F according to the seventh embodiment of the present invention.
- FIG. 11B is a plan view showing the configuration of the second main surface side of the high-frequency module 10F according to the seventh embodiment of the present invention.
- circuit configuration The basic circuit configuration and structure of the high-frequency module 10F according to the seventh embodiment are the same as those of the high-frequency module according to the above-described embodiment.
- the high frequency module 10F includes a high frequency switch 11F, a filter 21F, a filter 22F, a filter 31F, a filter 32F, a matching element 51, a matching element 52, a matching element 53, a matching element 54, a matching element 550, and a high frequency switch. 61, a high frequency switch 62, a matching element 71, a matching element 72, a matching element 73, a matching element 74, an LNA 121, an LNA 122, an LNA 123, and an LNA 124.
- the high frequency module 10F includes a terminal Pan, a terminal Pb11, a terminal Pb12, and a terminal Pb13.
- the configuration shown in FIG. 10 is an example, and the configuration of this embodiment can be applied as long as the configuration includes a composite device, a filter, and a matching element in which LNA is integrated with a high-frequency switch.
- the high frequency switch 11F has a terminal Ps0, a terminal Ps1, a terminal Ps2, a terminal Ps3, and a terminal Ps4.
- the high frequency switch 11F selectively connects the terminal Ps1, the terminal Ps2, the terminal Ps3, and the terminal Ps4 to the terminal Ps0.
- the terminal Ps0 is connected to the terminal Pan.
- the terminal Pan is connected to the antenna ANT.
- the filter 21F is a multiplexer type filter and includes a filter 211F and a filter 212F.
- the common terminal Pc21 of the filter 211F and the filter 212F is connected to the terminal Ps1 of the high frequency switch 11F via the connection circuit 41.
- the individual terminal of the filter 211F and the individual terminal of the filter 212F are connected to the high frequency switch 61, respectively.
- the filter 22F is a multiplexer type filter, and includes a filter 221F, a filter 222F, and a filter 223F.
- the common terminal Pc22 of the filter 221F, the filter 222F, and the filter 223F is connected to the terminal Ps2 of the high-frequency switch 11F via the connection circuit 42.
- the individual terminal of the filter 221F, the individual terminal of the filter 222F, and the individual terminal of the filter 223F are connected to the high frequency switch 61, respectively.
- the filter 31F is a single filter. One end of the filter 31F is connected to the terminal Ps3 of the high-frequency switch 11F via the connection circuit 43. The other end of the filter 31F is connected to the high frequency switch 61.
- the filter 32F is a single filter. One end of the filter 32F is connected to the terminal Ps4 of the high-frequency switch 11F via the connection circuit 44. The other end of the filter 32F is connected to the high frequency switch 61.
- Matching element 51, matching element 52, matching element 53, matching element 54, and matching element 550 are inductors.
- the matching element 51 is connected between the connection circuit 41 and the ground potential
- the matching element 52 is connected between the connection circuit 42 and the ground potential
- the matching element 53 is a connection circuit. 43 and the ground potential
- the matching element 54 is connected between the connection circuit 44 and the ground potential.
- the matching element 550 is inserted in series with the connection circuit 44.
- the high frequency switch 61 selectively selects the filter 211F, the filter 212F, the filter 221F, the filter 222F, the filter 223F, the filter 31F, and the filter 32F, and includes the matching element 71, the matching element 72, the matching element 73, and the matching element 74. Connect to one.
- the matching element 71, the matching element 72, the matching element 73, and the matching element 74 are inductors.
- the matching element 71 is connected to the input terminal of the LNA 121
- the matching element 72 is connected to the input terminal of the LNA 122
- the matching element 73 is connected to the input terminal of the LNA 123
- the matching element 74 is connected to the input terminal of the LNA 124.
- the output terminal of the LNA 121, the output terminal of the LNA 122, the output terminal of the LNA 123, and the output terminal of the LNA 124 are connected to the high frequency switch 62.
- the high frequency switch 62 selectively connects the LNA 121, the LNA 122, the LNA 123, and the LNA 124 to any one of the terminals Pb11, Pb12, and Pb13.
- the high-frequency module 10F includes a base body 100F, a composite device 13F, a filter element 201, a filter element 202, a filter element 203, a filter element 204, a filter element 301, and a filter element.
- a plurality of matching elements 500 a matching element 71, a matching element 72, a matching element 73, a matching element 74, and a plurality of mounting terminals 109.
- the plurality of matching elements 500 correspond to the “first matching element” of the present invention
- the matching element 71, the matching element 72, the matching element 73, and the matching element 74 correspond to the “second matching element” of the present invention. To do.
- the base body 100F is mainly formed of an insulating substrate, and has a main surface 101 and a main surface 102 facing each other in parallel.
- the base body 100F includes a main surface 101, a main surface 102, four side surfaces S100, and a conductor pattern for realizing the circuit of the high-frequency module 10F shown in FIG.
- the composite device 13F is realized by a semiconductor element, for example.
- the composite device 13F includes a switch area 16F, an LNA 121, an LNA 122, an LNA 123, and an LNA 124.
- a high frequency switch 11, a high frequency switch 61, and a high frequency switch 62 are formed in the switch region 16F.
- the composite device 13F has a rectangular shape in plan view. It has four corners C13. LNA121, LNA122, LNA123, and LNA124 are formed in each of these corner
- the switch region 16F is formed in the central region of the composite device 13F surrounded by four LNAs.
- the composite device 13F includes an LNA terminal 161, an LNA terminal 162, an LNA terminal 163, an LNA terminal 164, and a plurality of switch terminals 169.
- the filter element 201, the filter element 202, the filter element 203, the filter element 204, the filter element 301, and the filter element 302 are mounting type filter elements, and are realized by, for example, elastic wave filters.
- the filter element 201, the filter element 202, the filter element 203, and the filter element 204 constitute a filter 211F, a filter 212F, a filter 221F, a filter 222F, and a filter 223F in circuit.
- the filter element 301 and the filter element 302 constitute a filter 31F and a filter 32F in circuit.
- Each of the plurality of matching elements 500 constitutes a matching element 51, a matching element 52, a matching element 53, a matching element 51, and a matching element 550 in circuit.
- the composite device 13F is mounted on the main surface 102 of the base body 100F. Accordingly, the LNA terminal 161, the LNA terminal 162, the LNA terminal 163, the LNA terminal 164, and the plurality of switch terminals 169 of the composite device 13F are connected to the conductor pattern of the base body 100F.
- the composite device 13F is mounted so that the side surface of the composite device 13F and the side surface S100 of the base body 100F are not parallel, in other words, have a predetermined angle.
- each corner C13 of the composite device 13F is disposed close to the side surface S100 of the base body 100F.
- angular part C13 is arrange
- the LNA terminal 161, the LNA terminal 162, the LNA terminal 163, and the LNA terminal 164 of the composite device 13F are connected to a substantially central portion of each side surface S100 of the base body 100F.
- the plurality of switch terminals 169 of the composite device 13F are connected to the central region of the base body 100F.
- the plurality of mounting terminals 109 are arranged near corners of the main surface 102 of the base body 100F. Since the composite device 13F has the above-described shape and arrangement, a plurality of mounting terminals 109 can be concentrated on the corners of the base body 100F in this way.
- Filter element 201, filter element 202, filter element 203, filter element 204, filter element 301, and filter element 302 are mounted on main surface 101 of base body 100F. At this time, it is preferable that the filter element 201, the filter element 202, the filter element 203, and the filter element 204 are arranged as close to the center of the base body 100F as possible. Moreover, it is preferable that the filter element 301 and the filter element 302 are arranged as close to the corners of the base body 100F as possible.
- the plurality of matching elements 500 are mounted on the main surface 101 of the base body 100F.
- the plurality of matching elements 500 are arranged between the switch terminal 169 and each filter element, and are arranged close to or overlapping the switch region 16F in the composite device 13F in a plan view, in other words, near the center of the base body 100F. Has been.
- the matching element 71, the matching element 72, the matching element 73, and the matching element 74 are mounted on the main surface 101 of the base body 100F.
- the matching element 71 is disposed in the vicinity of the LNA terminal 161 (in the vicinity of the corner C13 of the composite device 13F), and the matching element 72 is in the vicinity of the LNA terminal 162 (the composite device). 13F near the corner C13).
- the matching element 73 is disposed near the LNA terminal 163 (near the corner C13 of the composite device 13F), and the matching element 74 is near the LNA terminal 164 (near the corner C13 of the composite device 13F). Is arranged. Thereby, the distance of the transmission path which connects each LNA and a matching element becomes short. Thereby, stray capacitance generated in the transmission path is suppressed.
- the matching element 71, the matching element 72, the matching element 73, and the matching element 74 are arranged in the vicinity of the side surface S100 of the base body 100F.
- the matching element 500 is disposed near the center of the base body 100F. Therefore, matching element 71, matching element 72, matching element 73, matching element 74, and each of a plurality of matching elements 500 are not close to each other and are arranged at a distance. Thereby, the coupling between the matching element 71, the matching element 72, the matching element 73, the matching element 74, and each of the plurality of matching elements 500 is suppressed, and the transmission characteristics of the high-frequency module 10F are improved.
- the plurality of mounting terminals 109 of the high-frequency module 10F, the LNA terminal 161, the LNA terminal 162, the LNA terminal 163, and the LNA terminal are suppressed while suppressing the increase in size of the base body 100F.
- 164 can earn a distance.
- coupling between the plurality of mounting terminals 109 and the LNA terminal 161, the LNA terminal 162, the LNA terminal 163, and the LNA terminal 164 can be suppressed, and the characteristics of the high-frequency module 10F are improved.
- 10, 10A, 10B, 10C, 10D, 10E, 10F High-frequency modules 11, 11A, 11B, 11C, 11D, 11E, 11F, 61, 62: High-frequency switches 12, 12B, 12C, 12D, 121, 122, 123, 124: LNA 13, 13A, 13E, 13F: Composite device 16F: Switch areas 21, 22, 23, 23A, 21F, 22F, 31, 31E, 31F, 32, 32E, 32F, 33, 211, 211F, 212, 212F, 221 221F, 222, 222F, 223F, 231, 232, 233: Filter 40G: Ground conductors 41, 42, 43, 44, 45, 46: Connection circuits 51, 52, 53, 54, 55, 56, 500, 550, 71, 72, 73, 74: Matching elements 100, 100A, 100B, 100C, 100D, 100E, 100F: Base bodies 101, 101A, 101B, 101C, 101D, 102,
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Abstract
Description
本発明の第1の実施形態に係る高周波モジュールについて、図を参照して説明する。図1は、本発明の第1の実施形態に係る高周波モジュール10の回路図である。
第1の実施形態に係る高周波モジュール10は、複数の通信バンドの下りの高周波信号を受信する回路を有する。しかしながら、以下の構成は、上りの高周波信号を送信する回路にも適用可能であり、上りの高周波信号の送信と、下りの高周波信号の受信とを行う回路にも適用可能である。
図2(A)は、本発明の第1の実施形態に係る高周波モジュール10の構成を示す平面図であり、図2(B)は、図2(A)のA-A断面図である。図3は、本発明の第1の実施形態に係る高周波モジュール10の端子の配置関係を示す平面図である。
次に、本発明の第2の実施形態に係る高周波モジュールについて、図を参照して説明する。図4は、本発明の第2の実施形態に係る高周波モジュール10Aの回路図である。
回路構成として、図4に示すように、第2の実施形態に係る高周波モジュール10Aは、第1の実施形態に係る高周波モジュール10に対して、フィルタ23Aの構成において異なる。また、高周波モジュール10Aは、高周波モジュール10に対して、フィルタ33を省略している。これに伴い、高周波スイッチ11Aは、高周波スイッチ11に対して、端子Ps6を省略している。高周波モジュール10Aの他の基本的な構成は、高周波モジュール10と同様であり、同様の箇所の説明は、省略する。
図5(A)は、本発明の第2の実施形態に係る高周波モジュール10Aの構成を示す平面図であり、図5(B)は、図5(A)のB-B断面図である。
次に、本発明の第3の実施形態に係る高周波モジュールについて、図を参照して説明する。図6(A)は、本発明の第3の実施形態に係る高周波モジュール10Bの構成を示す平面図であり、図6(B)は、図6(A)のC-C断面図である。
次に、本発明の第4の実施形態に係る高周波モジュールについて、図を参照して説明する。図7(A)は、本発明の第4の実施形態に係る高周波モジュール10Cの構成を示す平面図であり、図7(B)は、図7(A)のD-D断面図である。
次に、本発明の第5の実施形態に係る高周波モジュールについて、図を参照して説明する。図8(A)は、本発明の第5の実施形態に係る高周波モジュール10Dの構成を示す平面図であり、図8(B)は、図8(A)のE-E断面図である。
次に、本発明の第6の実施形態に係る高周波モジュールについて、図を参照して説明する。図9は、本発明の第6の実施形態に係る高周波モジュール10Eの構成を示す平面図である。
次に、本発明の第7の実施形態に係る高周波モジュールについて、図を参照して説明する。図10は、本発明の第7の実施形態に係る高周波モジュール10Fの概略的な回路図である。図11(A)は、本発明の第7の実施形態に係る高周波モジュール10Fの第1主面側の構成を示す平面図である。図11(B)は、本発明の第7の実施形態に係る高周波モジュール10Fの第2主面側の構成を示す平面図である。
第7の実施形態に係る高周波モジュール10Fの基本的な回路構成および構造は、上述の実施形態に係る高周波モジュールと同様である。
図11(A)、図11(B)に示すように、高周波モジュール10Fは、基体100F、複合デバイス13F、フィルタ素子201、フィルタ素子202、フィルタ素子203、フィルタ素子204、フィルタ素子301、フィルタ素子302、複数の整合素子500、整合素子71、整合素子72、整合素子73、整合素子74、および、複数の実装用端子109を備える。複数の整合素子500が、本発明の「第1整合素子」に対応し、整合素子71、整合素子72、整合素子73、および、整合素子74が、本発明の「第2整合素子」に対応する。
11、11A、11B、11C、11D、11E、11F、61、62:高周波スイッチ
12、12B、12C、12D、121、122、123、124:LNA
13、13A、13E、13F:複合デバイス
16F:スイッチ領域
21、22、23、23A、21F、22F、31、31E、31F、32、32E、32F、33、211、211F、212、212F、221、221F、222、222F、223F、231、232、233:フィルタ
40G:グランド導体
41、42、43、44、45、46:接続用回路
51、52、53、54、55、56、500、550、71、72、73、74:整合素子
100、100A、100B、100C、100D、100E、100F:基体
101、101A、101B、101C、101D、102、102A、102B、102C、102D:主面
109:実装用端子
161、162、163、164:LNA用端子
169:スイッチ用端子
201、202、203、204、301、302:フィルタ素子
ANT:アンテナ
B1、B3、B7、B25、B30、B34、B39、B40、B41、B66:通信バンド
DIR1:第1方向
DIR2:第2方向
P31、P32、P33、Pan、Pb1、Pb2、Pb3、Pb4、Pb5、Pb6、Pb7、Pb8、Pb9、Pb10、Pb11、Pb12、Pb13:端子
Pc21、Pc22、Pc23、Pc23A:共通端子
Ps0、Ps1、Ps2、Ps3、Ps4、Ps5、Ps6:端子
Claims (12)
- 共通端子と、前記共通端子に選択的に接続される第1選択端子および第2選択端子と、を有するスイッチと、
前記第1選択端子に接続されるマルチプレクサと、
前記第2選択端子に接続されるシングルフィルタと、
を備え、
前記第1選択端子と前記マルチプレクサとを接続する伝送経路の電気的な距離は、前記第2選択端子と前記シングルフィルタとを接続する伝送経路の電気的な距離よりも短い、
高周波モジュール。 - アンテナ側の端子と複数のフィルタ側の端子とを有し、複数のフィルタ側の端子を前記アンテナ側の端子へ選択的に接続する高周波スイッチと、
それぞれに特性の異なる複数個のフィルタを備え、該複数個のフィルタに共通の共通端子を有する第1フィルタと、
1個のフィルタを備える第2フィルタと、
前記複数のフィルタ側の端子における第1端子と前記第1フィルタとを接続する第1回路と、
前記複数のフィルタ側の端子における第2端子と前記第2フィルタの前記共通端子とを接続する第2回路と、
を備え、
前記第1回路の信号伝送距離は、前記第2回路の信号伝送距離よりも短い、
高周波モジュール。 - 前記第1フィルタおよび前記第2フィルタは、それぞれ複数であり、
前記第1回路および前記第2回路は、それぞれ複数であり、
前記複数の第1回路における最も長い第1回路の信号伝送距離は、前記複数の第2回路における最も短い第2回路の信号伝送距離よりも短い、
請求項2に記載の高周波モジュール。 - 前記第1フィルタを構成する複数種類のフィルタは、同時に通信される複数の通信バンドの高周波信号に対して、それぞれにフィルタ処理を実行する、
請求項2または請求項3に記載の高周波モジュール。 - 前記第2フィルタでフィルタ処理が実行される第2の通信バンドの周波数帯域は、前記第1フィルタでフィルタ処理が実行される第1の通信バンドの周波数帯域よりも高い周波数である、
請求項2乃至請求項4のいずれかに記載の高周波モジュール。 - 前記高周波スイッチ、前記第1フィルタ、および、前記第2フィルタが実装される基体を備え、
前記第2フィルタは、前記第1フィルタよりも前記スイッチから離間した位置に配置されている、
請求項2乃至請求項5のいずれかに記載の高周波モジュール。 - 前記基体は、互いに対向する第1面と第2面とを有し、
前記第1フィルタ、および、前記第2フィルタは、前記第1面に実装され、
前記高周波スイッチは、前記第2面に実装され、
前記基体の平面視において、前記第1フィルタと前記高周波スイッチとは、重なっており、前記第2フィルタと前記高周波スイッチとは、重なっていない、
請求項6に記載の高周波モジュール。 - 前記基体の平面視において、前記高周波スイッチにおける前記第2端子は、前記第1端子よりも前記高周波スイッチの外縁側に配置されている、
請求項6または請求項7に記載の高周波モジュール。 - 前記第2フィルタが複数存在する場合であって、前記基体の平面視において、複数の第2フィルタにおける最も周波数の高い通信バンドのフィルタ処理を実行する第3フィルタが接続される第2端子は、複数の第2フィルタにおける前記第3フィルタ以外のフィルタが接続される第2端子よりも前記高周波スイッチの外縁側に配置されている、
請求項6乃至請求項8のいずれかに記載の高周波モジュール。 - 前記基体の平面視において、前記高周波スイッチの前記アンテナ側の端子は、前記第1端子および前記第2端子よりも前記高周波スイッチの中央側に配置されている、
請求項1乃至請求項9のいずれかに記載の高周波モジュール。 - 前記高周波スイッチとLNAとが形成された、平面視して矩形の複合デバイスと、
前記高周波スイッチと前記第1フィルタおよび前記第2フィルタとの間に接続される第1整合素子と、
前記第1フィルタおよび前記第2フィルタと前記LNAとの間に接続される第2整合素子と、
互いに対向する第1の主面と第2の主面とを備え、前記第1整合素子、前記第2整合素子、前記第1フィルタ、および、前記第2フィルタが第1の主面に実装され、前記複合デバイスが第2の主面に実装される、平面視して矩形の基体と、を備え、
前記複合デバイスは、前記複合デバイスの側面が前記基体の側面に対して所定角を有するように、前記基体に実装されている、
請求項2乃至請求項5のいずれかに記載の高周波モジュール。 - 前記LNAは、前記複合デバイスの角部に形成され、前記高周波スイッチは、前記複合デバイスの中央部に形成され、前記LNAに接続すLNA用端子は、前記複合デバイスの角部に形成されており、
前記第2整合素子は、前記基体を平面視して、前記複合デバイスの角部付近に実装されており、
前記第1整合素子は、前記基体を平面視して、前記高周波スイッチの形成領域に近い位置に実装されている、
請求項11に記載の高周波モジュール。
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