CN106301461B - A kind of radio circuit and mobile terminal of carrier wave polymerization - Google Patents
A kind of radio circuit and mobile terminal of carrier wave polymerization Download PDFInfo
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- CN106301461B CN106301461B CN201610624913.XA CN201610624913A CN106301461B CN 106301461 B CN106301461 B CN 106301461B CN 201610624913 A CN201610624913 A CN 201610624913A CN 106301461 B CN106301461 B CN 106301461B
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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
- H04B1/38—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
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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Abstract
The present invention provides a kind of radio circuit and mobile terminal of carrier wave polymerization, which includes RF receiving and transmission module, power amplifier module and RF front-end module, which includes：First power amplification submodule, the second power amplification submodule and filtering submodule；It can be seen that filtering submodule is arranged in the radio circuit in power amplifier module, it is filtered by filtering the second band carrier signal of submodule pair to reduce the harmonic power of the second band carrier signal, reduce the reception interference of the first band carrier signal of harmonic wave pair of the second band carrier signal when realizing carrier wave polymerization, in terms of existing technologies, the quality of reception of the first band carrier signal can be promoted, and then promotes the signal receiving performance of carrier wave polymerization.
Description
Technical field
The present invention relates to the communications fields, more particularly to the radio circuit and mobile terminal of a kind of polymerization of carrier wave.
Background technology
Carrier wave polymerization (Carrier Aggregation, abbreviation CA) is a kind of technology increasing transmission bandwidth, can be incited somebody to action
2~5 LTE (Long Term Evolution, i.e. long term evolution) member carriers (ComponentCarrier, abbreviation CC) are poly-
It is combined, realizes the transmission bandwidth of maximum 100MHz, effectively increase downstream transmission rate, in carrier wave polymerization, including
One main carrier (PCC) and at least one secondary carrier (SCC).
When the radio circuit being polymerize using existing carrier wave realizes carrier wave polymerization, since multiple frequency range carrier waves share a work(
Rate amplifier (such as multimode multi-frequency power amplifier), therefore, when power amplifier emits multiple band carrier signals simultaneously, certain
The harmonic wave (such as secondary or triple-frequency harmonics) of a P band carrier signals may be coupled to another Q frequency range by power amplifier
On the signal RX path of carrier wave, at this point, the reception of Q band carrier signals can be interfered so that the reception matter of Q band carrier signals
Measure it is poor, and then cause carrier wave polymerize signal receiving performance it is relatively low；For example, low frequency PCC's (main carrier) is secondary or humorous three times
Wave can be coupled to by power amplifier on the RX path of medium-high frequency section SCC (secondary carrier), and meeting centering high band SCC's connects
It receives and generates interference, the quality of reception of medium-high frequency section SCC is made to be deteriorated.
Invention content
The embodiment of the present invention provides a kind of radio circuit and mobile terminal of carrier wave polymerization, can solve existing radio circuit
It can lead to the technical problem that the signal receiving performance that carrier wave polymerize is relatively low.
The embodiment of the present invention provides a kind of radio circuit of carrier wave polymerization comprising：RF receiving and transmission module, power amplification mould
Block and RF front-end module, the power amplifier module include：First power amplification submodule, the second power amplification submodule
And filtering submodule；
The RF receiving and transmission module, for sending the first band carrier signal to first work(by the first radio frequency path
Rate amplifies submodule, and sends the second band carrier signal to the second power amplification submodule by the second radio frequency path
Block；
The first power amplification submodule, for being sent to after carrying out power amplification to first band carrier signal
The RF front-end module；
The second power amplification submodule, for second band carrier signal into being sent to institute after power amplification
State filtering submodule；
The filtering submodule, it is described for being sent to after being filtered to the second band carrier signal after power amplification
RF front-end module；
The RF front-end module, for outwardly amplified first band carrier signal of transmission power and filtered
Second band carrier signal.
In radio circuit of the present invention, the second power amplification submodule is to amplify electricity by least two single-stages
The multistage amplifier circuit of road cascade composition；The multistage amplifier circuit has signal input part and signal output end；
The signal input part is connect with the RF receiving and transmission module, passes through the second radio frequency for receiving RF receiving and transmission module
The second band carrier signal that access is sent；
The signal output end is connect with the filtering submodule, is used for the second band carrier signal after power amplification
It is sent to the filtering submodule.
In radio circuit of the present invention, the second power amplification submodule can be single-stage amplifying circuit, institute
Stating single-stage amplifying circuit has signal input part and signal output end；
The signal input part is connect with the RF receiving and transmission module, passes through the second radio frequency for receiving RF receiving and transmission module
The second band carrier signal that access is sent；
The signal output end is connect with the filtering submodule, is used for the second band carrier signal after power amplification
It is sent to the filtering submodule.
In radio circuit of the present invention, the single-stage amplifying circuit is made of the cascade of multiple amplifiers；The work(
Rate amplification module further includes：Power supply circuit；
The power supply circuit is connect with the amplifier respectively, and for providing voltage to the amplifier, the voltage exists
0.7v is between 3.9v；
The amplifier, for being amplified processing to the second band carrier signal of input according to the voltage.
In radio circuit of the present invention, the RF front-end module is additionally operable to receive extraneous first frequency range carrier wave
Signal, extraneous second band carrier signal, and be sent to extraneous first band carrier signal by third radio frequency path
Extraneous second band carrier signal is sent to the radio-frequency receiving-transmitting by the RF receiving and transmission module by the 4th radio frequency path
Module.
In radio circuit of the present invention, the RF front-end module, including：Antenna, RF switch, the first duplex
Device and the second duplexer；
The first duplexer respectively with the RF receiving and transmission module, the first power amplification submodule, the radio frequency
Switch connection, for the first band carrier signal after power amplification to be transferred to RF switch and is used third radio frequency
The first band carrier signal of the external world that RF switch transmits is sent to the RF receiving and transmission module by access；
Second duplexer is connect with the RF receiving and transmission module, the filtering submodule, the RF switch respectively,
For filtered second band carrier signal to be transferred to RF switch and is opened radio frequency using the 4th radio frequency path
The external world's the second band carrier signal biography for closing transmission is sent to the RF receiving and transmission module；
The RF switch is also connect with the antenna, for passing through the antenna outwardly transmission power amplified the
One band carrier signal and filtered second band carrier signal, and the extraneous first carrier that the antenna is received are believed
The first duplexer, the second carrier signal transmission of the external world for receiving the antenna number are transferred to second duplex
Device.
In radio circuit of the present invention, the power amplifier module has the first signal receiving end, second signal
Receiving terminal, the first signal sending end and second signal transmitting terminal；
First signal receiving end connect with the RF receiving and transmission module by first radio-frequency channel and with it is described
First power amplification submodule connects, and the first band carrier signal for sending the RF receiving and transmission module is transferred to described
First power amplification submodule；
First signal sending end is connect with the first power amplification submodule, first duplexer respectively, and being used for will
The first band carrier signal after power amplification is sent to the first duplexer；
The second signal receiving terminal connect with the RF receiving and transmission module by second radio-frequency channel and with it is described
The signal input part of second power amplification submodule connects, the second frequency range carrier wave letter for sending the RF receiving and transmission module
Number it is transferred to the second power amplification submodule；
The second signal transmitting terminal is connect with the filtering submodule, the second duplexer respectively, for that will filter submodule
Second band carrier signal of block output is sent to second duplexer.
In radio circuit of the present invention, further include：Filter；
The filter is connect with first signal sending end, the first duplexer respectively, for the first signal
First band carrier signal of transmitting terminal output is filtered, and filtered first band carrier signal is transmitted to described the
One duplexer.
In radio circuit of the present invention, the filtering submodule is passive filter or filter matching network.
The embodiment of the present invention additionally provides a kind of mobile terminal comprising radio circuit as described above.
An embodiment of the present invention provides a kind of radio circuit of carrier wave polymerization, which sets in power amplifier module
Filtering submodule is set, is filtered by filtering the second band carrier signal of submodule pair to reduce the second frequency range carrier wave letter
Number harmonic power, reduce realize carrier wave polymerization when the second band carrier signal the first band carrier signal of harmonic wave pair reception
Interference can promote the quality of reception of the first band carrier signal in terms of existing technologies, and then promote carrier wave polymerization
Signal receiving performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the radio circuit of the first carrier wave provided in an embodiment of the present invention polymerization；
Fig. 2 is the structural schematic diagram of the radio circuit of second of carrier wave provided in an embodiment of the present invention polymerization；
Fig. 3 is a kind of structural schematic diagram of single-stage amplifying circuit provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the radio circuit of the third carrier wave provided in an embodiment of the present invention polymerization；
Fig. 5 is the structural schematic diagram of the radio circuit of the 4th kind of carrier wave provided in an embodiment of the present invention polymerization；
Fig. 6 is the structural schematic diagram of the radio circuit of the 5th kind of carrier wave provided in an embodiment of the present invention polymerization.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of the radio circuit of carrier wave polymerization provided in an embodiment of the present invention.
The radio circuit of carrier wave polymerization includes RF receiving and transmission module 21, power amplifier module 22 and RF front-end module 23, specifically
It is as follows；
Power amplifier module 22 includes：First power amplification submodule 220, the second power amplification submodule 221 and filter
Marble module 222；
RF receiving and transmission module 21 respectively with the first power amplification submodule 220, the second power amplification submodule
221 connections, for sending the first band carrier signal to the first power amplification submodule by the first radio frequency path 25
220, and the second band carrier signal is sent to the second power amplification submodule 221 by the second radio frequency path 26；
First power amplification submodule 220 is connect with the RF front-end module 23, for the first frequency range carrier wave
Signal is sent to the RF front-end module 23 after carrying out power amplification；
Second power amplification submodule 221 is connect with the filtering submodule 222, for believing the second frequency range carrier wave
Number into being sent to the filtering submodule 222 after power amplification；
Filtering submodule 222 is connect with the RF front-end module 23, for the second power amplification submodule 221
The second band carrier signal sent is sent to the RF front-end module 23 after being filtered；
RF front-end module 23, for outwardly amplified first band carrier signal of transmission power and filtered the
Two band carrier signals, and be additionally operable to receive extraneous first band carrier signal, extraneous second band carrier signal, and pass through
Extraneous first band carrier signal is sent to the RF receiving and transmission module 21, by the 4th radio frequency by third radio frequency path 27
Extraneous second band carrier signal is sent to the RF receiving and transmission module 21 by access 28.
The first radio frequency path 25 is used for transmission the first band carrier signal to power amplification submodule 220 in the present embodiment,
First radio frequency path 25 can be can transmitting radio frequency signal radio-frequency line, the radio-frequency line can there are many, for example, can be with
It is only made of, or can also be made of radio frequency cabling and other radio frequency transmission components, the structure of radio-frequency line radio frequency cabling
At can be set according to actual demand.Similarly the second radio frequency path 206, third radio frequency path 207, the 4th radio frequency path 208 are equal
Can be the radio-frequency line of energy transmitting radio frequency signal, the composition of the radio-frequency line can be set according to actual demand.
In the present embodiment, the filtering submodule 222 can be passive filter or filter matching network or its
His filter.
In the present embodiment, RF receiving and transmission module 21 can be rf chip, and power amplifier module can be that multimode is more
Frequency power amplifier (MMMB PA) etc..Wherein, the first band carrier signal can be medium-high frequency section carrier signal, i.e. frequency range is fallen
Enter the carrier signal in the first predeterminated frequency section, which can be used as secondary carrier signal, specifically can be with
For the secondary carrier signal of medium-high frequency SCC, such as B3 frequency ranges；Second band carrier signal is low-frequency range carrier signal, i.e. frequency range
The carrier signal in the second predeterminated frequency region is fallen into, which can be used as main carrier signal, specifically may be used
With the main carrier signal etc. of low frequency PCC, such as B8 frequency ranges.
Optionally, the second power amplification submodule 221 can be multistage amplifier circuit, multistage amplification electricity in the present embodiment
Road can be cascaded by least two single-stage amplifying circuits and be formed, and there is the multistage amplifier circuit signal input part and signal to export
End, the signal input part are connect with the RF receiving and transmission module 21, the second frequency for receiving the transmission of RF receiving and transmission module 21
Section carrier signal；
The signal output end is connect with the RF front-end module 23, is amplified for that will pass through the multistage amplifier circuit
The second band carrier signal afterwards is sent to the RF front-end module 23.
For example, shown in Fig. 2, which can be by n 2210 cascaded series of single-stage amplifying circuit
At multistage amplifier circuit, n be more than 1, and be positive integer, wherein the second power amplification submodule, that is, multistage amplifier circuit 221
With signal input part 221a and signal output end 221b, signal input part 221a passes through the second radio frequency path and radio-frequency receiving-transmitting
Module 21 connects, and receives the second band carrier signal that RF receiving and transmission module is sent by second radio frequency path, and the signal is defeated
Outlet 221b with filtering submodule 222 connect, for by the multistage amplifier circuit 221 amplification after (i.e. after power amplification) second
Frequency range sub-carrier signal is sent to filtering submodule 222.
Optionally, the second power amplification submodule 221 can also be a single-stage amplifying circuit in the present embodiment, at this point,
There is single-stage amplifying circuit signal input part and signal output end, the signal input part to be connect with the RF receiving and transmission module,
The second band carrier signal sent by the second radio frequency path for receiving RF receiving and transmission module, the signal output end and institute
Filtering submodule connection is stated, for the second frequency range carrier wave that will be after multistage amplifier circuit amplification (i.e. after power amplification)
Signal is sent to the filtering submodule.
In the present embodiment, which can be made of multiple amplifier (PA) cascades, for example, such as
Shown in Fig. 3, which can be in series by n amplifier PA, which is more than 1, and is positive integer.
Filtering submodule is arranged in above-mentioned Fig. 1 and radio circuit shown in Fig. 2 in power amplifier module, can pass through in this way
Filtering the second band carrier signal of submodule pair is filtered to reduce the harmonic power of the second band carrier signal, reduces
The reception interference of the first band carrier signal of harmonic wave pair of second band carrier signal when realizing carrier wave polymerization, relative to existing skill
For art, the quality of reception of the first band carrier signal can be promoted, and then promote the signal receiving performance of carrier wave polymerization.
In order to further decrease the harmonic wave of the second band carrier signal, the present embodiment can improve the voltage of amplifier (i.e.
Bias voltage), with the linearity of boost amplifier, specifically, the voltage of amplifier can be in 0.7v to (existing electricity between 3.9v
It is 0.6-3.7v between pressure area)；For example, with reference to figure 4, power amplifier module 22 can also include in the present embodiment：Power supply circuit
223, which connect with the amplifier PA in single-stage amplifying circuit 2210 respectively, and the amplification is given for providing voltage
Device, wherein voltage is in 0.7v between 3.9v；Amplifier at this time, for being carried to the second frequency range of input according to the voltage
Wave signal is amplified processing.
In the present embodiment, RF front-end module 23 is for realizing the first band carrier signal and the second band carrier signal
Transmitting-receiving, which can be made of RF switch, duplexer and antenna, specifically, with reference to figure 5, radio frequency
Front-end module 23 may include：Antenna 230, RF switch 231, first duplexer 232 and the second duplexer 233；
The first duplexer 232 respectively with the RF receiving and transmission module 21, the first power amplification submodule 220,
The RF switch 231 connects, the first band carrier signal (i.e. power for sending the first power amplification submodule 220
Amplified first frequency band signals) be transferred to RF switch 231 and using by third radio frequency path 27 by RF switch 231
The first band carrier signal of the external world of transmission is sent to the RF receiving and transmission module 21；With reference to figure 5, the first duplexer 232
Signal transmitting terminal 232a is connect by third radio frequency path 27 with RF receiving and transmission module 21, and the signal of the first duplexer 232 is defeated
Enter to hold 232b to be connect with the first power amplification submodule 220, the signal transmitting and receiving end 232c and RF switch of the first duplexer 232
231 connections；
Second duplexer 233 respectively with the RF receiving and transmission module 21, the filtering submodule 222, the radio frequency
Switch 231 connects, the second band carrier signal (i.e. filtered second frequency range for sending the filtering submodule 222
Carrier signal) it is transferred to the external world second that RF switch 231 and the 4th radio frequency path 28 of use transmit RF switch 231
Band carrier signal biography is sent to the RF receiving and transmission module 21；With reference to figure 5, the signal input part of second duplexer 233
233a is connect with filtering submodule 222, and the signal transmitting terminal 233b of the second duplexer 233 passes through the 4th radio frequency path 28 and radio frequency
Transceiver module 21 connects, and the signal transmitting and receiving end 233c of the second duplexer 233 is connect with RF switch 231；
The RF switch 231 is also connect with the antenna 230, for passing through the outwardly transmission power of the antenna 230
Amplified first band carrier signal and filtered second band carrier signal, and the antenna 230 is received
Extraneous first carrier signal transmission is to the first duplexer 232, the second carrier signal of the external world for receiving the antenna 230
It is transferred to second duplexer 233.
With reference to figure 5, which also has the first signal receiving end 22a, second signal receiving terminal 22b, the
One signal sending end 22c and second signal transmitting terminal 22d；
The first signal receiving end 22a connect with the RF receiving and transmission module 21 by first radio-frequency channel and
It is connect with the first power amplification submodule 220, the first frequency range carrier wave letter for sending the RF receiving and transmission module 21
Number it is transferred to the first power amplification submodule 220；
The first signal sending end 22c connects with the first power amplification submodule 220, first duplexer 232 respectively
It connects, (the first frequency range i.e. after power amplification carries the first band carrier signal for exporting the first power amplification submodule 220
Wave signal) it is sent to the first duplexer 232；
The second signal receiving terminal 22b connect with the RF receiving and transmission module 21 by second radio-frequency channel and
It is connect with the signal input part of the second power amplification submodule 221, for sending the RF receiving and transmission module 21
Two band carrier signals (i.e. filtered second band carrier signal) are transferred to the second power amplification submodule 221；
The second signal transmitting terminal 22d is connect with the filtering submodule 222, the second duplexer 233 respectively, and being used for will
The second band carrier signal that filtering submodule 222 exports is sent to second duplexer 233.
Filter can also be arranged on the transmission path of the first band carrier signal in the present embodiment, for example, with reference to figure 6,
The radio circuit further includes filter 24, the filter 24 respectively with the first signal sending end 22c, first duplex
Device 232 (the signal input part 232b of first duplexer 232) connects, for the first frequency to the first signal sending end 22c outputs
Section carrier signal is filtered, and filtered first band carrier signal is transmitted to the first duplexer 232.
Wherein, which can be passive filter or filter matching network or other filters.
Filtering submodule is arranged in radio circuit provided in an embodiment of the present invention in power amplifier module, by filtering submodule
The second band carrier signal of block pair is filtered to reduce the harmonic power of the second band carrier signal, is reduced and is realized carrier wave
The reception interference of the first band carrier signal of harmonic wave pair of second band carrier signal when polymerization, and the radio circuit can be with
By improving the bias voltage of amplifier in power amplifier module come the linearity of boost amplifier, so as to reduce the second frequency
The harmonic wave of section carrier signal, inhibits harmonic wave interference, promotes the signal receiving performance of carrier wave polymerization, and raising user uses specific
Frequency range combines downloading rate when CA networks.
In addition, radio circuit provided in an embodiment of the present invention can also increase filter come the second band carrier signal of decaying
Harmonic wave, further decrease the first band carrier signal of harmonic wave pair of the second band carrier signal reception interference, further carry
The signal receiving performance of carrier wave polymerization is risen.
The embodiment of the present invention also provides a kind of mobile terminal, which includes the radio frequency electrical of above-mentioned carrier wave polymerization
Road, the radio circuit include RF receiving and transmission module, power amplifier module and RF front-end module；
The power amplifier module includes：First power amplification submodule, the second power amplification submodule and filtering
Module；
The RF receiving and transmission module connects with the first power amplification submodule, the second power amplification submodule respectively
It connects, sends the first band carrier signal to the first power amplification submodule for passing through the first radio frequency path, and pass through
Second radio frequency path sends the second band carrier signal to the second power amplification submodule；
The first power amplification submodule is connect with the RF front-end module, for believing the first frequency range carrier wave
Number carry out power amplification after be sent to the RF front-end module；
The second power amplification submodule is connect with the filtering submodule, for second band carrier signal
The filtering submodule is sent to after into power amplification；
The filtering submodule is connect with the RF front-end module, for being sent to the second power amplification submodule
The second band carrier signal be filtered after be sent to the RF front-end module；
The RF front-end module, for outwardly sending the first band carrier signal and the second band carrier signal, with
And extraneous first band carrier signal, extraneous second band carrier signal are received, and by third radio frequency path by the external world
First band carrier signal is sent to the RF receiving and transmission module, by the 4th radio frequency path by the extraneous second frequency range carrier wave
Signal is sent to the RF receiving and transmission module.
Filtering submodule is arranged in mobile terminal provided in an embodiment of the present invention in power amplifier module, by filtering submodule
The second band carrier signal of block pair is filtered to reduce the harmonic power of the second band carrier signal, is reduced and is realized carrier wave
The reception interference of the first band carrier signal of harmonic wave pair of second band carrier signal when polymerization, and the radio circuit can be with
By improving the bias voltage of amplifier in power amplifier module come the linearity of boost amplifier, so as to reduce the second frequency
The harmonic wave of section carrier signal, inhibits harmonic wave interference, promotes the signal receiving performance of carrier wave polymerization, and raising user uses specific
Frequency range combines downloading rate when CA networks.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention is subject to the range that claim defines.
Claims (9)
1. a kind of radio circuit of carrier wave polymerization, which is characterized in that including：It RF receiving and transmission module, power amplifier module and penetrates
Frequency front-end module, the power amplifier module include：First power amplification submodule, the second power amplification submodule and filtering
Submodule；
The RF receiving and transmission module is put for passing through the first radio frequency path the first band carrier signal of transmission to first power
Big submodule, and the second band carrier signal is sent to the second power amplification submodule by the second radio frequency path；
The first power amplification submodule, for described to being sent to after first band carrier signal progress power amplification
RF front-end module；
The second power amplification submodule, for second band carrier signal into being sent to the filter after power amplification
Marble module；
The filtering submodule, for being sent to the radio frequency after being filtered to the second band carrier signal after power amplification
Front-end module；
The RF front-end module, including：Antenna, RF switch, first duplexer and the second duplexer；
The first duplexer respectively with the RF receiving and transmission module, the first power amplification submodule, the RF switch
Connection, for the first band carrier signal after power amplification to be transferred to RF switch and is used third radio frequency path
The first band carrier signal of the external world that RF switch transmits is sent to the RF receiving and transmission module；
Second duplexer is connect with the RF receiving and transmission module, the filtering submodule, the RF switch respectively, is used for
Filtered second band carrier signal is transferred to RF switch and is passed RF switch using the 4th radio frequency path
Defeated the second band carrier signal of the external world is sent to the RF receiving and transmission module；
The RF switch is also connect with the antenna, for by the antenna outwardly transmission power it is amplified first frequently
Section carrier signal and filtered second band carrier signal, and the extraneous first carrier signal that the antenna is received pass
The first duplexer, the second carrier signal transmission of the external world for receiving the antenna are defeated by second duplexer.
2. radio circuit as described in claim 1, which is characterized in that the second power amplification submodule is by least two
The multistage amplifier circuit of single-stage amplifying circuit cascade composition；There is the multistage amplifier circuit signal input part and signal to export
End；
The signal input part is connect with the RF receiving and transmission module, passes through the second radio frequency path for receiving RF receiving and transmission module
The second band carrier signal sent；
The signal output end is connect with the filtering submodule, for sending the second band carrier signal after power amplification
To the filtering submodule.
3. radio circuit as described in claim 1, which is characterized in that the second power amplification submodule is single-stage amplification electricity
Road, the single-stage amplifying circuit have signal input part and signal output end；
The signal input part is connect with the RF receiving and transmission module, passes through the second radio frequency path for receiving RF receiving and transmission module
The second band carrier signal sent；
The signal output end is connect with the filtering submodule, for sending the second band carrier signal after power amplification
To the filtering submodule.
4. radio circuit as claimed in claim 2 or claim 3, which is characterized in that the single-stage amplifying circuit is by multiple amplifier stages
Connection is constituted；The power amplifier module further includes：Power supply circuit；
The power supply circuit is connect with the amplifier respectively, and for providing voltage to the amplifier, the voltage is in 0.7v
To between 3.9v；
The amplifier, for being amplified processing to the second band carrier signal of input according to the voltage.
5. radio circuit as described in claim 1, which is characterized in that the RF front-end module is additionally operable to receive extraneous the
One band carrier signal, extraneous second band carrier signal, and by third radio frequency path by the extraneous first frequency range carrier wave
Signal is sent to the RF receiving and transmission module, extraneous second band carrier signal is sent to institute by the 4th radio frequency path
State RF receiving and transmission module.
6. radio circuit as claimed in claim 5, which is characterized in that the power amplifier module is received with the first signal
End, second signal receiving terminal, the first signal sending end and second signal transmitting terminal；
First signal receiving end is connect with the RF receiving and transmission module by first radio-frequency channel and with described first
Power amplification submodule connects, and the first band carrier signal for sending the RF receiving and transmission module is transferred to described first
Power amplification submodule；
First signal sending end is connect with the first power amplification submodule, first duplexer respectively, is used for power
Amplified first band carrier signal is sent to the first duplexer；
The second signal receiving terminal is connect with the RF receiving and transmission module by second radio-frequency channel and with described second
The signal input part of power amplification submodule connects, and the second band carrier signal for sending the RF receiving and transmission module passes
It is defeated by the second power amplification submodule；
The second signal transmitting terminal is connect with the filtering submodule, the second duplexer respectively, is used for filtered second
Band carrier signal is sent to second duplexer.
7. radio circuit as claimed in claim 6, which is characterized in that further include：Filter；
The filter is connect with first signal sending end, the first duplexer respectively, for being sent to the first signal
First band carrier signal of end output is filtered, and filtered first band carrier signal is transmitted to described first pair
Work device.
8. radio circuit as described in claim 1, which is characterized in that the filtering submodule is passive filter or filtering
Matching network.
9. a kind of mobile terminal, which is characterized in that include the radio frequency electrical such as the polymerization of claim 1-8 any one of them carrier waves
Road.
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| CN201610624913.XA CN106301461B (en) | 2016-07-29 | 2016-07-29 | A kind of radio circuit and mobile terminal of carrier wave polymerization |
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| CN201610624913.XA CN106301461B (en) | 2016-07-29 | 2016-07-29 | A kind of radio circuit and mobile terminal of carrier wave polymerization |
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| CN106301461A (en) | 2017-01-04 |
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