CN204156853U - A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module - Google Patents
A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module Download PDFInfo
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- CN204156853U CN204156853U CN201420654135.5U CN201420654135U CN204156853U CN 204156853 U CN204156853 U CN 204156853U CN 201420654135 U CN201420654135 U CN 201420654135U CN 204156853 U CN204156853 U CN 204156853U
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Abstract
The utility model belongs to antenna technical field.A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module is disclosed, this device comprises multiple front end match circuit for calibrating respectively different frequency range radio-frequency (RF) receiving and transmission module, multiple different frequency range that corresponds respectively to for the rear end match circuit calibrated antenna and for selecting the selector switch of radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and the antenna connected corresponding to this frequency range when different frequency range is enable, and radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and antenna connect in turn.Realize mating of antenna and different frequency range radio-frequency (RF) receiving and transmission module thus, obtain good Transceiver Features.Because front end match circuit and rear end match circuit all adopt independently circuit structure to realize, and do not adopt IC to encapsulate, therefore can according to different wireless telecommunications systems flexible parameters, and cost is lower.
Description
Technical field
The utility model relates to antenna technology, particularly relates to a kind of device for mating antenna and multi-frequency band radio-frequency transceiver module.
Background technology
Wireless telecommunications system, such as mobile phone, need to arrange the device mated antenna and radio-frequency (RF) receiving and transmission module, and wide and radiance all reaches standard, to obtain good wireless receiving and dispatching characteristic in certain frequency range inner radiation belt to make antenna.In order to support multiple types, wireless telecommunications system need be applicable to multiple different working frequency range, and wireless telecommunications system in the past only designs aforesaid coalignment for one of them working frequency range usually, the usefulness of some other frequency ranges will certainly be sacrificed like this, make overall wireless receiving and dispatching properties deteriorate.
In order to improve the performance of wireless telecommunications system, there is the chip carrying out antenna match for different frequency range respectively, but chip cost is higher on the one hand, the parameter of antenna-matching circuit need regulate along with the difference of wireless telecommunications system on the other hand, to obtain optimum performance, and the antenna-matching circuit of said chip is all encapsulated in chip internal, be not easy to debug.
Utility model content
The technical problems to be solved in the utility model is, provides the coalignment of a kind of antenna and radio-frequency (RF) receiving and transmission module, low cost can realize mating of antenna and multi-frequency band radio-frequency transceiver module, and can the parameter of flexible coalignment.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of device for mating antenna and multi-frequency band radio-frequency transceiver module, this device comprises multiple front end match circuit for calibrating respectively different frequency range radio-frequency (RF) receiving and transmission module, multiplely correspond respectively to the rear end match circuit of different frequency range for calibrating antenna, and connect the radio-frequency (RF) receiving and transmission module corresponding to this frequency range for selecting when different frequency range is enable, front end match circuit, the selector switch of rear end match circuit and antenna, described radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and antenna connect in turn.
Further, described selector switch one termination antenna, the other end is selected to connect the rear end match circuit corresponding to any frequency range.
Further, the radio-frequency (RF) receiving and transmission module of any frequency range includes power amplifier, filter, duplexer.
Further, described selector switch one termination antenna, the other end is selected the power amplifier of connection any frequency range radio-frequency (RF) receiving and transmission module, filter, duplexer and is corresponded to the rear end match circuit of other any frequency range.
Further, test interface is provided with corresponding between the front end match circuit of same frequency range and rear end match circuit.
The utility model arranges its front end match circuit calibrated respectively for different frequency range radio-frequency (RF) receiving and transmission module and corresponds to different frequency range respectively to the rear end match circuit that antenna is calibrated, when different frequency range is enable, radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and the antenna corresponding to this frequency range is connected by selector switch, thus realize mating of antenna and different frequency range radio-frequency (RF) receiving and transmission module, obtain good Transceiver Features.Because front end match circuit and rear end match circuit all adopt independently circuit structure to realize, and do not adopt IC to encapsulate, therefore can according to different wireless telecommunications systems flexible parameters, and cost is lower.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the utility model embodiment one;
Fig. 2 is the electrical block diagram of the utility model embodiment two.
Embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model will be further described.
The utility model is used for the device mated antenna and multi-frequency band radio-frequency transceiver module, comprises multiple front ends match circuit, is respectively used to calibrate different frequency range radio-frequency (RF) receiving and transmission module; Multiple rear ends match circuit, corresponds respectively to different frequency range and for calibrating antenna; And a selector switch, connecting radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and the antenna corresponding to this frequency range for selecting when different frequency range is enable, above-mentionedly to be connected in turn by radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and the antenna selecting to connect.
Embodiment one:
As shown in Figure 1, radio-frequency (RF) receiving and transmission module 101,102,103 is respectively used to receive and dispatch the radiofrequency signal of A, B, C tri-different frequency ranges, and its inside includes power amplifier, filter, duplexer; Radio-frequency (RF) receiving and transmission module 101,102,103 is connected to front end match circuit 301,302,303 respectively by diverter switch 201,202,203, and the other end of diverter switch 201,202,203 then switches according to the subdivision thereof of radiofrequency signal respectively between the power amplifier of respective radio-frequency transceiver module, filter and duplexer; One end of front end match circuit 301,302,303 connects radio-frequency (RF) receiving and transmission module 101,102,103 respectively, and corresponding radio-frequency (RF) receiving and transmission module is calibrated, and the other end connects corresponding to corresponding band respectively, namely distinguish the rear end match circuit 401,402,403 of corresponding frequency band A, B, C; Rear end match circuit 401,402,403 is connected to antenna 6 eventually through a selector switch 5.
When frequency range A is enable, selector switch 5 selects to connect the rear end match circuit 401 and antenna 6 that correspond to frequency range A, front end match circuit 201 radio frequency transceiver module 101 is calibrated, and match circuit 401 pairs of antennas 6 in rear end are calibrated, and realize the signal and communication of frequency range A.
When frequency range B is enable, selector switch 5 selects to connect the rear end match circuit 402 and antenna 6 that correspond to frequency range B, front end match circuit 202 radio frequency transceiver module 102 is calibrated, and match circuit 402 pairs of antennas 6 in rear end are calibrated, and realize the signal and communication of frequency range B.
When frequency range C is enable, selector switch 5 selects to connect the rear end match circuit 403 and antenna 6 that correspond to frequency range C, front end match circuit 203 radio frequency transceiver module 103 is calibrated, and match circuit 403 pairs of antennas 6 in rear end are calibrated, and realize the signal and communication of frequency range C.
Front end match circuit and rear end match circuit arrange different parameters respectively according to different frequency ranges, thus realize mating of antenna and different frequency range radio-frequency (RF) receiving and transmission module, obtain good Transceiver Features.All front end match circuits and rear end match circuit all adopt independently circuit structure to realize, and do not adopt the antenna match chip of encapsulation, although occupy certain space, can according to different wireless telecommunications systems flexible parameters, and cost is lower.
Conveniently test on product line, test interface 701,702,703 is respectively arranged with between the front end match circuit corresponding to each frequency range and rear end match circuit, access testing equipment by this interface during test, during normal use, then directly connect front end match circuit and rear end match circuit.
Fig. 1 only illustrates the situation that antenna and three frequency range radio-frequency (RF) receiving and transmission module carry out mating, antenna and two or three are carried out to the situation of mating with super band radio-frequency (RF) receiving and transmission module, with this similar, by the front end match circuit corresponding to different frequency range, this frequency range radio-frequency (RF) receiving and transmission module is calibrated, by the rear end match circuit corresponding to different frequency range, antenna is calibrated, between each rear end match circuit and antenna, selector switch is set, the radio-frequency (RF) receiving and transmission module corresponding to this frequency range is connected for selecting when different frequency range is enable, front end match circuit, rear end match circuit and antenna.
Embodiment two:
As shown in Figure 2, radio-frequency (RF) receiving and transmission module 101,102,103 is respectively used to receive and dispatch the radiofrequency signal of A, B, C tri-different frequency ranges, and its inside includes power amplifier, filter, duplexer; Radio-frequency (RF) receiving and transmission module 101,102,103 is connected to front end match circuit 301,302,303 respectively by diverter switch 201,202,203, and the other end of diverter switch 201,202,203 then switches according to the subdivision thereof of radiofrequency signal respectively between the power amplifier of respective radio-frequency transceiver module, filter and duplexer; One end of front end match circuit 301,302,303 connects radio-frequency (RF) receiving and transmission module 101,102,103 respectively, and corresponding radio-frequency (RF) receiving and transmission module is calibrated, and the other end connects corresponding to corresponding band respectively, namely distinguish the rear end match circuit 401,402,403 of corresponding frequency band A, B, C; The other end of rear end match circuit 402 is connected to antenna 6, and is arranged on one end that diverter switch 202 carries out selecting to switch together with the power amplifier of the other end of rear end match circuit 401,403 and radio-frequency (RF) receiving and transmission module 102, filter, duplexer.Compared to embodiment one, the present embodiment diverter switch of using corresponding to a certain frequency range realizes the function of selector switch, and does not need to arrange separately selector switch again, and this frequency range can be any one in A, B, C tri-frequency ranges.
When frequency range A is enable, diverter switch 202 selects to connect the rear end match circuit 401 corresponding to frequency range A and the front end match circuit 302 corresponding to frequency range B, through rear end match circuit 402, is finally connected with antenna 6.Front end match circuit 201 radio frequency transceiver module 101 is calibrated, and match circuit 401 pairs of antennas 6 in rear end are calibrated, and realize the signal and communication of frequency range A.
When frequency range B is enable, diverter switch 202 is selected to connect any one in the power amplifier of radio-frequency (RF) receiving and transmission module 102, filter, duplexer and front end match circuit 302, through rear end match circuit 402, finally be connected with antenna 6, front end match circuit 202 radio frequency transceiver module 102 is calibrated, and match circuit 402 pairs of antennas 6 in rear end are calibrated, realize the signal and communication of frequency range B.
When frequency range C is enable, diverter switch 202 selects to connect the rear end match circuit 403 corresponding to frequency range C and the front end match circuit 302 corresponding to frequency range B, through rear end match circuit 402, is finally connected with antenna 6.Front end match circuit 203 radio frequency transceiver module 103 is calibrated, and match circuit 403 pairs of antennas 6 in rear end are calibrated, and realize the signal and communication of frequency range C.
Front end match circuit and rear end match circuit arrange different parameters respectively according to different frequency ranges, thus realize mating of antenna and different frequency range radio-frequency (RF) receiving and transmission module, obtain good Transceiver Features.All front end match circuits and rear end match circuit all adopt independently circuit structure to realize, and do not adopt the antenna match chip of encapsulation, although occupy certain space, can according to different wireless telecommunications systems flexible parameters, and cost is lower.
Conveniently test on product line, test interface 701,702,703 is respectively arranged with between the front end match circuit corresponding to each frequency range and rear end match circuit, access testing equipment by this interface during test, during normal use, then directly connect front end match circuit and rear end match circuit.
Fig. 2 only illustrates the situation that antenna and three frequency range radio-frequency (RF) receiving and transmission module carry out mating, antenna and two or three are carried out to the situation of mating with super band radio-frequency (RF) receiving and transmission module, with this similar, by the front end match circuit corresponding to different frequency range, this frequency range radio-frequency (RF) receiving and transmission module is calibrated, by the rear end match circuit corresponding to different frequency range, antenna is calibrated, between each rear end match circuit and antenna, selector switch is set, the radio-frequency (RF) receiving and transmission module corresponding to this frequency range is connected for selecting when different frequency range is enable, front end match circuit, rear end match circuit and antenna.
Claims (5)
1. the device for mating antenna and multi-frequency band radio-frequency transceiver module, it is characterized in that: this device comprises multiple front end match circuit for calibrating respectively different frequency range radio-frequency (RF) receiving and transmission module, multiplely correspond respectively to the rear end match circuit of different frequency range for calibrating antenna, and connect the radio-frequency (RF) receiving and transmission module corresponding to this frequency range for selecting when different frequency range is enable, front end match circuit, the selector switch of rear end match circuit and antenna, described radio-frequency (RF) receiving and transmission module, front end match circuit, rear end match circuit and antenna connect in turn.
2. device according to claim 1, is characterized in that: described selector switch one termination antenna, and the other end is selected to connect the rear end match circuit corresponding to any frequency range.
3. device according to claim 1, is characterized in that: the radio-frequency (RF) receiving and transmission module of any frequency range includes power amplifier, filter, duplexer.
4. device according to claim 3, is characterized in that: described selector switch one termination antenna, and the other end is selected the power amplifier of connection any frequency range radio-frequency (RF) receiving and transmission module, filter, duplexer and corresponded to the rear end match circuit of other any frequency range.
5. the device according to claim 1 or 2 or 4, is characterized in that: be provided with test interface corresponding between the front end match circuit of same frequency range and rear end match circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654135.5U CN204156853U (en) | 2014-11-04 | 2014-11-04 | A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654135.5U CN204156853U (en) | 2014-11-04 | 2014-11-04 | A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module |
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| CN204156853U true CN204156853U (en) | 2015-02-11 |
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| CN201420654135.5U Active CN204156853U (en) | 2014-11-04 | 2014-11-04 | A kind of device for mating antenna and multi-frequency band radio-frequency transceiver module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852180A (en) * | 2015-07-29 | 2018-03-27 | 高通股份有限公司 | The calibration and Self Adaptive Control of antenna tuner |
| WO2018119884A1 (en) * | 2016-12-29 | 2018-07-05 | 西安易朴通讯技术有限公司 | Switching system and switching method for self-adaptive antenna, and intelligent terminal |
| CN109952703A (en) * | 2016-12-05 | 2019-06-28 | 追踪有限公司 | RF module and method for testing RF module |
| CN111277339A (en) * | 2018-11-19 | 2020-06-12 | 中国移动通信有限公司研究院 | Integrated comprehensive road test instrument |
-
2014
- 2014-11-04 CN CN201420654135.5U patent/CN204156853U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852180A (en) * | 2015-07-29 | 2018-03-27 | 高通股份有限公司 | The calibration and Self Adaptive Control of antenna tuner |
| CN109952703A (en) * | 2016-12-05 | 2019-06-28 | 追踪有限公司 | RF module and method for testing RF module |
| CN109952703B (en) * | 2016-12-05 | 2024-01-02 | 追踪有限公司 | RF module and method for testing RF module |
| WO2018119884A1 (en) * | 2016-12-29 | 2018-07-05 | 西安易朴通讯技术有限公司 | Switching system and switching method for self-adaptive antenna, and intelligent terminal |
| US10707933B2 (en) | 2016-12-29 | 2020-07-07 | Xi'an Yep Telecommunication Technology., Ltd. | Adaptive antenna switching system and switching method, and intelligent terminal |
| CN111277339A (en) * | 2018-11-19 | 2020-06-12 | 中国移动通信有限公司研究院 | Integrated comprehensive road test instrument |
| CN111277339B (en) * | 2018-11-19 | 2022-04-01 | 中国移动通信有限公司研究院 | Integrated comprehensive road test instrument |
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