CN208539894U - A kind of radio circuit and mobile terminal - Google Patents
A kind of radio circuit and mobile terminal Download PDFInfo
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- CN208539894U CN208539894U CN201821102749.7U CN201821102749U CN208539894U CN 208539894 U CN208539894 U CN 208539894U CN 201821102749 U CN201821102749 U CN 201821102749U CN 208539894 U CN208539894 U CN 208539894U
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Abstract
The utility model embodiment provides a kind of radio circuit and mobile terminal, frequency range applied to the first communication pattern covers the mobile terminal of the frequency range of the second communication pattern, and radio circuit includes transceiver, the first communication link, the second communication link, antenna change-over switch, diversity antenna and main collection antenna；First communication link includes channel selector, first filter and first antenna switch module, channel selector is connect with the first communication pattern diversity reception port of transceiver and the main collection receiving port of the second communication pattern respectively, and first antenna switch module is connect with antenna change-over switch；Second communication link includes power amplifier, second filter and the second antenna switch module, power amplifier is connect with the common issue port of transceiver and the main collection receiving port of the first communication pattern respectively, second antenna switch module is connect with antenna change-over switch, the radio circuit is without increasing duplexer, saving the cloth plate suqare of radio circuit and reducing the cost of radio circuit.
Description
Technical field
The utility model relates to technical field of electronic products, more particularly to a kind of radio circuit and mobile terminal.
Background technique
With the development of electronic technology, mobile terminal has become electronic product indispensable in people's daily life, and
And as mobile terminal is using more and more extensive, also more and more using the area of mobile terminal, this has with regard to demand mobile phone
Roaming function.
Currently in order to realizing roaming function, mobile terminal is needed to support compared with multiband, as shown in Figure 1, Fig. 1 is in B41 frequency
The module frame chart for increasing the radio frequency path of B7 frequency range in the radio circuit of section, the transmitting and reception of B41 and B7 frequency range are logical in Fig. 1
Road is as follows:
The transmitting of B41 frequency range is via the port HB TX of transceiver 1, power amplifier 5, second filter 8, the second antenna
Switch module 7 and main collection antenna 9 are completed；
The transmitting of B7 frequency range is via the port HB TX of transceiver 1, power amplifier 5, duplexer 6, the second duplexer mould
Block 7 and main collection antenna 9 are completed；
The main collection of B41 frequency range is received via main collection antenna 9, the second antenna switch module 7, second filter 8, power amplification
It completes the port B41PRX of device 5 and transceiver 1；
The diversity reception of B41 frequency range is via diversity antenna 4, first antenna switch module 3, first filter 2 and transceiver 1
The port B41DRX complete；
The main collection of B7 frequency range is received via main collection antenna 9, the second antenna switch module 7, duplexer 6 and transceiver 1
It completes the port B7PRX.
Therefore, at present mobile terminal in order to obtain B7 frequency range support to realize roaming function, need to increase encapsulation volume compared with
Big and higher cost duplexer causes duplexer and occupies the fabric swatch space of circuit board and improve asking for mobile terminal cost
Topic.
Utility model content
The utility model embodiment provides a kind of radio circuit and mobile terminal, with solve existing radio circuit in order to
The problem of realizing that roaming function needs to increase device, increased device caused to occupy the fabric swatch space of circuit board and improve cost.
In order to solve the above-mentioned technical problem, the utility model implementation is achieved in that
The utility model embodiment provides a kind of radio circuit, and the frequency range covering second applied to the first communication pattern is logical
The mobile terminal of the frequency range of letter mode, including transceiver, the first communication link, the second communication link, antenna change-over switch and institute
State the diversity antenna and main collection antenna of antenna change-over switch connection；
First communication link includes sequentially connected channel selector, first filter and first antenna switch module,
The channel selector is received with the first communication pattern diversity reception port of the transceiver and the main collection of the second communication pattern respectively
Port connection, the first antenna switch module are connect with the antenna change-over switch；
Second communication link includes sequentially connected power amplifier, second filter and the second duplexer mould
Block, the power amplifier connect with the common issue port of the transceiver and the main collection receiving port of the first communication pattern respectively
It connects, second antenna switch module is connect with the antenna change-over switch.
The utility model embodiment provides a kind of mobile terminal, and the mobile terminal includes that the utility model embodiment mentions
The radio circuit of confession.
The radio circuit of the utility model embodiment, the frequency range of the first communication pattern cover the frequency range of the second communication pattern
Mobile terminal can realize that the signal of the first communication pattern and the second communication pattern emits by the second communication link, and lead to
Overpower amplifier realizes that the main collection of the first communication pattern receives, while switching switch in the first communication link setting access and setting
Antenna change-over switch is set, diversity reception and second communication pattern of the first communication pattern can be realized by the first communication link
Main collection receives, without increasing the biggish duplexer of volume, and relative to duplexer, antenna change-over switch and access switching switch
Small volume and cost is relatively low, saving the cloth plate suqare of radio circuit and reduces the cost of radio circuit.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the module frame chart of the radio circuit of the prior art；
Fig. 2 is the module frame chart of the radio circuit of the utility model embodiment；
Fig. 3 is the circuit diagram of the radio circuit of the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 2 is the module frame chart of the radio circuit of the utility model embodiment.
As shown in Fig. 2, the radio circuit of the utility model embodiment is applied to the frequency range covering second of the first communication pattern
The mobile terminal of the frequency range of communication pattern, including the switching of transceiver 1, the first communication link 100, the second communication link 200, antenna
Switch 11, the diversity antenna 4 being connect with antenna change-over switch 11 and main collection antenna 9.
Wherein, the first communication link 100 includes that sequentially connected channel selector 10, first filter 2 and first antenna are opened
Module 3 is closed, channel selector 10 connects with the main collection in the first communication pattern diversity reception port of transceiver 1 and the second communication pattern respectively
The connection of receiving end mouth, first antenna switch module 3 are connect with antenna change-over switch 11；
Second communication link 200 includes sequentially connected power amplifier 5, second filter 8 and the second duplexer mould
Block 7, power amplifier 5 are connect with the common issue port of transceiver 1 and the second communication pattern receiving port respectively, the second antenna
Switch module 7 is connect with antenna change-over switch 11.
In the utility model embodiment, the first communication pattern and the second communication pattern can refer to what radio circuit was supported
Frequency range, radio frequency band are a kind of standard bands, there is the specific criteria for classifying in the world, such as B41 and B7 frequency range is two marks
Quasi- frequency range, wherein the transmitting of B41 frequency range and received frequency range are 2496MHz~2690MHz, the frequency range of B7 frequency range transmitting
It is 2500MHz~2570MHz, receiving frequency range is 2620MHz~2690MHz, i.e., B7 frequency is completely covered in B41 frequency, with
On be that the frequency range for covering the second communication pattern to the frequency range of the first communication pattern with B41 and B7 frequency range is illustrated, in reality
Can also be other frequency ranges in, the utility model embodiment to the frequency range of the first communication pattern and the second communication pattern not
It limits.
It is below in the first mode of communication B41 band communication mode, the second communication pattern is that B7 band communication mode is to show
Example is illustrated the working principle of the radio circuit of the utility model embodiment:
As shown in Fig. 2, the transmitting of each communication pattern and receives link are as follows:
B41/B7 transmitting includes: that the port HB TX-power amplifier 5- second filter the second antenna of 8- of transceiver 1 is opened
Close the main collection antenna 9 of module 7- antenna change-over switch 11-；
The main collection reception of B41 includes: main collection antenna 9- antenna change-over switch 11- the second antenna switch module 7- second filter
The port B41PRX of 8- power amplifier 5- transceiver 1；
B41 diversity reception includes: diversity antenna 4- antenna change-over switch 11- first antenna switch module 3- first filter
The port B41DRX of 2- channel selector 10- transceiver 1；
The main collection reception of B7 includes: diversity antenna 4- antenna change-over switch 11- first antenna switch module 3- first filter
The port B7PRX of 2- channel selector 10- transceiver 1.
In the utility model embodiment, since B7 frequency range is completely covered by B41 frequency range, the reception of B7 frequency range can be shared
The diversity reception of B41 frequency range increases channel selector 10 between the transceiver 1 and first filter 2 of the first communication link 100,
The signal of communication received is sent to the port B41DRX or the port B7PRX of transceiver, and increases antenna change-over switch
11 realize that main collection antennas 9 are connected to first antenna switch module 3, without increase in the second communication link 200 volume it is larger with
The duplexer of higher cost realizes that the main collection of B7 receives, save the fabric swatch space of circuit board and reduce radio circuit at
This.
Fig. 3 is the circuit diagram of the radio circuit of the utility model embodiment, is in the first mode of communication B41 in the circuit diagram
HF mode, the second communication pattern are that B7 HF mode is example.
As shown in figure 3, antenna change-over switch 11 can be double-point double-throw switch in the utility model embodiment, the double-pole
Commutator includes the first contact N1, the second contact N2, the first common K1 and the second common K2, first antenna switch
Module 3 and the second antenna switch module 7 respectively with the first contact N2 of the double-point double-throw switch of antenna change-over switch 11 and second
Contact N1 connection, diversity antenna 4 and main collection antenna 9 respectively with the first public touching of the double-point double-throw switch of antenna change-over switch 11
Point K1 and the second common K2 connection.
In practical applications, first antenna switch module 3 and the second antenna switch module 7 may include that hilted broadsword is thrown out more
It closes, single pole multiple throw can be the switch of the contact of the common and multiple outputs that input including one.First antenna is opened
The common K4 of single pole multiple throw for closing module 3 is connect with the second contact N2 of antenna change-over switch 11, and the second antenna is opened
The common K5 for closing module 7 is connect with the first contact N1 of antenna change-over switch 11, and first filter 2 and first antenna switch
7th contact N7 connection of the single pole multiple throw of module 3, second filter 8 and the hilted broadsword of the second antenna switch module 7 are thrown more
8th contact N8 connection of switch.
In the utility model embodiment, first filter 2 and second filter 8 can be SAW filter.
In the utility model embodiment, the channel selector 10 connecting with first filter 2 can be single-pole double-throw switch (SPDT), should
Single-pole double-throw switch (SPDT) includes third contact N3, the 4th contact N4 of a common K3 and output end, the list of channel selector 10
The common K3 of double-pole double throw switch is connect with first filter 2, third contact N3 and the 4th contact N4 respectively with transceiver 1
First communication pattern diversity reception port B41DRX and the main collection receiving port B7PRX connection of the second communication pattern.
Power amplifier 5 includes amplifying circuit 51 and switching circuit 52, input terminal RFIN_H and the transmitting-receiving of amplifying circuit 51
The common issue port B7/B41TX connection of device 1, the output port of amplifying circuit 51 connect with switching circuit 52, specifically, open
Powered-down road 52 includes single pole multiple throw, and the common HB3 and second filter 8 of the single pole multiple throw of switching circuit 52 connect
It connects, the 5th contact N5 of the single pole multiple throw of switching circuit 52 and the 6th contact the N6 output port with amplifying circuit 51 respectively
It is connected with the main collection receiving port B41PRX of the first communication pattern of transceiver 1.
All switches of the utility model embodiment can be controlled by interface circuit, such as power amplifier 5,
Two antenna switch modules 7, antenna change-over switch 11, first antenna switch module 3 and channel selector 10 are connect with interface circuit
(not shown), the interface circuit can be a control chip, can control the closure of each switch.Below to electricity shown in Fig. 3
The working principle on road is illustrated:
1) when needing to carry out B7 and B41 communication signal emitting, the common K2 connection first of antenna change-over switch 11
Contact N1, the 8th contact N8 of common K5 connection of the second antenna switch module 7, the common HB3 connection of amplifier 5
Five contact N5 realize that the transmitting signal that transceiver 1 generates is emitted by main collection antenna 9.
2) when the main collection for the signal of communication for needing to carry out B41 and diversity reception, the common of antenna change-over switch 11
K2 connection the first contact N1, common K1 connection the second contact N2, the common K4 connection of first antenna switch module 3
Seven contact N7, the 8th contact N8 of common K5 connection of the second antenna switch module 7, the common HB3 connection of amplifier 5
6th contact N6, the common K3 connection third contact N3 of the single-pole double-throw switch (SPDT) of channel selector 10, main collection antenna 9 receive
Transceiver 1 is sent to after by the second antenna switch module 7, second filter 8, amplifier 5 after the main collection signal of B41
The port B41PRX, diversity antenna 4 receive after the diversity signal of B41 through by first antenna switch module 3, first filter 2, logical
The port B41DRX of transceiver 1 is sent to after way switch 10.
3) when the signal of communication for needing to carry out B7 receives, the second contact of common K2 connection of antenna change-over switch 11
N2, the 7th contact N7 of common K4 connection of first antenna switch module 3, the single-pole double-throw switch (SPDT) of channel selector 10 it is public
Contact K3 connection the 4th contact N4, main collection antenna 9 receive after the signal of communication of B7 through by first antenna switch module 3, first
The port B7PRX of transceiver 1 is sent to after filter 2, channel selector 10.
In the utility model embodiment, since B7 frequency range is completely covered by B41 frequency range completely, the reception of B7 signal of communication can
To share the diversity reception of B41 frequency range, increases access between the transceiver 1 and first filter 2 of the first communication link 100 and open
10 are closed, the signal of communication received is sent to the port B41DRX or the port B7PRX of transceiver, and increases antenna switching
Switch 11 realizes that main collection antenna 9 is connected to first antenna switch module 3, without in the second communication link 200 increase volume compared with
Big and higher cost duplexer realizes that the main collection of B7 receives, and on the one hand saves the fabric swatch space of circuit board and reduces radio frequency
The cost of circuit, on the other hand, the transmitting and reception of B7 frequency range pass through mutually isolated communication link realization, isolation ratio respectively
Can be higher using duplexer, it ensure that transmitting and received isolation.
Fig. 3 is combined above, is in the first mode of communication B7 band communication for B41 band communication mode, the second communication pattern
The radio circuit of the utility model embodiment is illustrated in mode, and those skilled in the art can also be by the first communication pattern
Other frequency ranges are set as with the frequency range of the second communication pattern.
The utility model embodiment provides a kind of mobile terminal, and the mobile terminal includes the utility model embodiment
Radio circuit, it is preferable that mobile terminal is one of smart phone, tablet computer, portable computer and personal electric assistant.
Although the preferred embodiment of the utility model embodiment has been described, those skilled in the art are once learnt
Basic creative concept, then additional changes and modifications can be made to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and all change and modification for falling into the utility model embodiment range.
Finally, it is to be noted that, herein, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that including that process, method, article or the terminal device of a series of elements not only include
Those elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of person's terminal device.In the absence of more restrictions, the element limited by sentence "including a ...",
Be not precluded is including that there is also other identical elements in the process, method of the element, article or terminal device.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (8)
1. a kind of radio circuit, which is characterized in that cover the frequency range of the second communication pattern applied to the frequency range of the first communication pattern
Mobile terminal, including transceiver, the first communication link, the second communication link, antenna change-over switch, with the antenna switching open
Correlate the diversity antenna and main collection antenna connect；
First communication link includes sequentially connected channel selector, first filter and first antenna switch module, described
Channel selector respectively with the first communication pattern diversity reception port of the transceiver and the main collection receiving port of the second communication pattern
Connection, the first antenna switch module are connect with the antenna change-over switch；
Second communication link includes sequentially connected power amplifier, second filter and the second antenna switch module, institute
Power amplifier is stated to connect with the common issue port of the transceiver and the main collection receiving port of the first communication pattern respectively, it is described
Second antenna switch module is connect with the antenna change-over switch.
2. radio circuit as described in claim 1, which is characterized in that the antenna change-over switch includes double-point double-throw switch,
The first antenna switch module and second antenna switch module respectively with the first contact of the double-point double-throw switch and
The connection of second contact, the diversity antenna and the main collection antenna respectively with the first common of the double-point double-throw switch and
The connection of second common.
3. radio circuit as described in claim 1, which is characterized in that the channel selector is single-pole double-throw switch (SPDT), the list
The common of double-pole double throw switch is connect with the first filter, the third contact of the output end of the single-pole double-throw switch (SPDT) and
4th contact is connect with the first communication pattern diversity reception port and the main collection receiving port of second communication pattern respectively.
4. radio circuit as claimed in claim 2, which is characterized in that the first antenna switch module and the second duplexer
Module includes single pole multiple throw, and the common of the single pole multiple throw of the first antenna switch module and the double-pole are double
First contact of throw switch connects, the common of the single pole multiple throw of second antenna switch module and second touching
Point connection, the first filter are connect with one of contact of the single pole multiple throw of the first antenna switch module,
The second filter is connect with one of contact of the single pole multiple throw of second antenna switch module.
5. radio circuit as described in claim 1, which is characterized in that the power amplifier includes amplifying circuit and switch electricity
Road, the input terminal of the amplifying circuit are connect with the common issue port of the transceiver, the output port of the amplifying circuit
It is connect with the switching circuit；
The switching circuit includes single pole multiple throw, the common of the single pole multiple throw of the switching circuit and described the
The connection of two filters, the 5th contact of the single pole multiple throw of the switching circuit and the 6th contact respectively with the amplifying circuit
Output port connected with the main collection receiving port of first communication pattern.
6. radio circuit as described in claim 1, which is characterized in that the first filter and the second filter are sound
Surface wave filter.
7. a kind of mobile terminal, which is characterized in that the mobile terminal includes radio frequency electrical as claimed in any one of claims 1 to 6
Road.
8. mobile terminal as claimed in claim 7, which is characterized in that the mobile terminal is smart phone, tablet computer, just
Take one of formula computer and personal electric assistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102749.7U CN208539894U (en) | 2018-07-11 | 2018-07-11 | A kind of radio circuit and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102749.7U CN208539894U (en) | 2018-07-11 | 2018-07-11 | A kind of radio circuit and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539894U true CN208539894U (en) | 2019-02-22 |
Family
ID=65387067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821102749.7U Active CN208539894U (en) | 2018-07-11 | 2018-07-11 | A kind of radio circuit and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208539894U (en) |
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| CN110417422A (en) * | 2019-07-30 | 2019-11-05 | Oppo广东移动通信有限公司 | Communication control method, communication control circuit and relevant apparatus |
| CN111245469A (en) * | 2020-01-17 | 2020-06-05 | Oppo广东移动通信有限公司 | Radio frequency circuit and electronic device |
| CN111327343A (en) * | 2020-03-06 | 2020-06-23 | 惠州Tcl移动通信有限公司 | Common receiving channel radio frequency device, method and mobile terminal |
| CN111342859A (en) * | 2020-03-03 | 2020-06-26 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111726138A (en) * | 2020-06-05 | 2020-09-29 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN111953358A (en) * | 2020-08-10 | 2020-11-17 | Tcl通讯（宁波）有限公司 | Radio frequency structure and mobile terminal |
| CN112397876A (en) * | 2020-11-05 | 2021-02-23 | 深圳市锐尔觅移动通信有限公司 | Antenna module and terminal |
| CN112398491A (en) * | 2020-11-17 | 2021-02-23 | 维沃移动通信有限公司 | Electronic device |
| CN112532275A (en) * | 2019-12-31 | 2021-03-19 | Oppo广东移动通信有限公司 | Radio frequency module, antenna control method and electronic equipment |
| CN112583442A (en) * | 2020-12-07 | 2021-03-30 | Oppo广东移动通信有限公司 | Radio frequency system and communication device |
| CN112821916A (en) * | 2020-12-31 | 2021-05-18 | Tcl通讯（宁波）有限公司 | Radio frequency front-end circuit and mobile terminal |
| CN112929039A (en) * | 2021-02-25 | 2021-06-08 | 浙江海通通讯电子股份有限公司 | High-frequency module and communication device |
| CN112994729A (en) * | 2021-02-03 | 2021-06-18 | 昆山睿翔讯通通信技术有限公司 | Mobile terminal radio frequency architecture and mobile terminal |
| CN113922837A (en) * | 2021-09-30 | 2022-01-11 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, radio frequency module and electronic equipment |
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| CN110417422A (en) * | 2019-07-30 | 2019-11-05 | Oppo广东移动通信有限公司 | Communication control method, communication control circuit and relevant apparatus |
| CN110417422B (en) * | 2019-07-30 | 2021-05-14 | Oppo广东移动通信有限公司 | Communication control method, communication control circuit and related device |
| CN112532275A (en) * | 2019-12-31 | 2021-03-19 | Oppo广东移动通信有限公司 | Radio frequency module, antenna control method and electronic equipment |
| CN112532275B (en) * | 2019-12-31 | 2022-04-22 | Oppo广东移动通信有限公司 | Radio frequency module, antenna control method and electronic equipment |
| CN111245469A (en) * | 2020-01-17 | 2020-06-05 | Oppo广东移动通信有限公司 | Radio frequency circuit and electronic device |
| CN113746496B (en) * | 2020-03-03 | 2022-07-08 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN113746497B (en) * | 2020-03-03 | 2022-07-08 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN113746497A (en) * | 2020-03-03 | 2021-12-03 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111342859A (en) * | 2020-03-03 | 2020-06-26 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| US11303318B2 (en) | 2020-03-03 | 2022-04-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | RF system and electronic device |
| CN113746496A (en) * | 2020-03-03 | 2021-12-03 | Oppo广东移动通信有限公司 | Radio frequency system and electronic equipment |
| CN111327343A (en) * | 2020-03-06 | 2020-06-23 | 惠州Tcl移动通信有限公司 | Common receiving channel radio frequency device, method and mobile terminal |
| CN111726138A (en) * | 2020-06-05 | 2020-09-29 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN111953358A (en) * | 2020-08-10 | 2020-11-17 | Tcl通讯（宁波）有限公司 | Radio frequency structure and mobile terminal |
| CN112397876A (en) * | 2020-11-05 | 2021-02-23 | 深圳市锐尔觅移动通信有限公司 | Antenna module and terminal |
| CN112398491B (en) * | 2020-11-17 | 2022-03-11 | 维沃移动通信有限公司 | Electronic device |
| CN112398491A (en) * | 2020-11-17 | 2021-02-23 | 维沃移动通信有限公司 | Electronic device |
| CN112583442A (en) * | 2020-12-07 | 2021-03-30 | Oppo广东移动通信有限公司 | Radio frequency system and communication device |
| CN112821916A (en) * | 2020-12-31 | 2021-05-18 | Tcl通讯（宁波）有限公司 | Radio frequency front-end circuit and mobile terminal |
| CN112994729A (en) * | 2021-02-03 | 2021-06-18 | 昆山睿翔讯通通信技术有限公司 | Mobile terminal radio frequency architecture and mobile terminal |
| CN112994729B (en) * | 2021-02-03 | 2023-02-03 | 昆山睿翔讯通通信技术有限公司 | Mobile terminal radio frequency module and mobile terminal |
| CN112929039A (en) * | 2021-02-25 | 2021-06-08 | 浙江海通通讯电子股份有限公司 | High-frequency module and communication device |
| CN112929039B (en) * | 2021-02-25 | 2022-11-08 | 浙江海通通讯电子股份有限公司 | High-frequency module and communication device |
| CN114006629A (en) * | 2021-09-29 | 2022-02-01 | 安徽蓝麦通信股份有限公司 | Sub-6G-LTCC Internet of things radio frequency front end micro system |
| CN113922837A (en) * | 2021-09-30 | 2022-01-11 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, radio frequency module and electronic equipment |
| WO2023246006A1 (en) * | 2022-06-23 | 2023-12-28 | Oppo广东移动通信有限公司 | Radio frequency system and communication device |
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