CN201869169U - Radio frequency power amplification module and device - Google Patents
Radio frequency power amplification module and device Download PDFInfo
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- CN201869169U CN201869169U CN2010205921698U CN201020592169U CN201869169U CN 201869169 U CN201869169 U CN 201869169U CN 2010205921698 U CN2010205921698 U CN 2010205921698U CN 201020592169 U CN201020592169 U CN 201020592169U CN 201869169 U CN201869169 U CN 201869169U
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Abstract
In order to solve the problem that the prior art can hardly increase the output power of a baseband/radio frequency module by replacing the power amplifier in the module, the utility model discloses a radio frequency power amplification module and a device, an input port of a power coupler is connected with a built-in connector of a radio frequency input port, a coupling port of the power coupler is connected with an input port of a power detector, an output port of the power detector is connected with a control port of a first radio frequency switch, the first radio frequency switch connects the output port of the power coupler to an input port of a radio frequency power amplifier or a built-in connector of a radio frequency output port when the power detector detects power output or no power output, an output port of the radio frequency power amplifier is connected with the built-in connector of the radio frequency output port, and when in use, the radio frequency input port of the radio frequency power amplification module is connected with a radio frequency interface of the baseband/radio frequency module. The method can easily increase the output power.
Description
Technical field
The utility model belongs to electronic technology field, particularly a kind of radio frequency power amplification module and equipment.
Background technology
Based on TDD (Time Division Duplexing, time division duplex), in the equipment of technology, be to realize the transmitting-receiving timesharing by the radio-frequency front-end switch, with the equipment based on Wifi agreement (the Wifi agreement is a kind of TDD agreement) is example, in order to save the space, a lot of module suppliers adopt Wifi SoC (System on Chip, SOC (system on a chip)) Die of the chip (functional circuit of on semi-conducting material, realizing, usually utilization light technology such as is painted and is realized on little wafer, no outer enclosure) and the binding crystal clock, power supply, power amplifier, peripheral components such as radio-frequency (RF) switch, thus be packaged into a base band/radio frequency module module with base band and rf modulations demodulation function based on Wifi.And provide SDIO (Secure Digital lnput Output, secure digital I/O)/standard interfaces such as SPI (Serial Peripheral interface, Serial Peripheral Interface (SPI)) interface to use for external controller.Be based on base band/radio frequency module module 100 schematic diagrames of Wifi as shown in Figure 1, base band/radio frequency module module comprises physical layer/MAC layer module 2, and provide the SDIO/SPI interface to communicate by letter with external controller, the delivery outlet of physical layer/MAC layer module 2 connects the input port of internal radio frequency power amplifier 3, radio frequency interface 5 is connected to the delivery outlet of internal radio frequency power amplifier 3 by internal radio frequency switch 4, perhaps radio frequency interface 5 is connected to the input port of physical layer/MAC layer module 2 by internal radio frequency switch 4, because internal radio frequency switch 4 and internal radio frequency power amplifier 3 all have been integrated into base band/radio frequency module inside modules, though power output adjustable upper limit in certain scope of base band/radio frequency module module is fixed, if think further to improve the power output upper limit, increase power output by changing the internal power amplifier in the prior art, replaceable internal power amplifier implements very difficult.
The utility model content
Improve base band/radio frequency module module power output in order to solve in the prior art by changing the internal power amplifier, realize the problem of difficulty, the utility model embodiment provides a kind of radio frequency power amplification module 200, comprise: rf input port 10, radio frequency delivery outlet, power coupler 30, power detector 35, first radio-frequency (RF) switch 38 and radio-frequency power amplifier 40, wherein:
The input port 31 of power coupler 30 is connected with the built-in joint 12 of rf input port 10, the coupling aperture 32 of power coupler 30 is connected with the input port 36 of power detector 35, the delivery outlet 37 of power detector 35 is connected with the control mouth 39 of first radio-frequency (RF) switch 38, when power detector 35 has detected power output, first radio-frequency (RF) switch 38 is connected to the delivery outlet 33 of power coupler 30 input port 41 of radio-frequency power amplifier 40, the delivery outlet 42 of radio-frequency power amplifier 40 is connected with the built-in joint of described radio frequency delivery outlet, when power detector 35 had not detected power output, first radio-frequency (RF) switch 38 was connected to the delivery outlet 33 of power coupler 30 the built-in joint of described radio frequency delivery outlet
The rf input port of the radio frequency power amplification module that during use the utility model embodiment is provided is connected the radio frequency interface of base band/radio frequency module module, and it is very easy to increase power output in this way.
Description of drawings
Fig. 1, be the base band/radio frequency module modular structure figure of prior art;
The first embodiment radio frequency power amplification module structure chart that Fig. 2, Fig. 3 provide for the utility model;
The second embodiment radio frequency power amplification module structure chart that Fig. 4, Fig. 5 provide for the utility model.
Embodiment
Improve base band/radio frequency module module power output in order to solve in the prior art by changing the internal power amplifier, realize the problem of difficulty, first embodiment of the present utility model provides a kind of radio frequency power amplification module, the radio frequency power amplification module that present embodiment provides, adopt the double antenna mode that connects, as shown in Figure 2, this radio frequency power amplification module 200 comprises: rf input port 10, the first radio frequency delivery outlet 20, the second radio frequency delivery outlet 20 ', power coupler 30, power detector 35, first radio-frequency (RF) switch 38 and radio-frequency power amplifier 40.In use rf input port 10 coupling 11 is used for being connected with the radio frequency interface 5 of Fig. 1, the first radio frequency delivery outlet 20 the coupling 21 and the second radio frequency delivery outlet 20 ' be used to be connected antenna to coupling 21 '.The input port 31 of power coupler 30 is connected with the built-in joint 12 of rf input port 10, the coupling aperture 32 of power coupler 30 is connected with the input port 36 of power detector 35, the delivery outlet 37 of power detector 35 is connected with the control mouth 39 of first radio-frequency (RF) switch 38, when power detector 35 has detected power output, delivery outlet 37 output first level signals (high level or low level) of power detector 35, first radio-frequency (RF) switch 38 is connected to power coupler 30 delivery outlets 33 input port 41 of radio-frequency power amplifier 40, the delivery outlet 42 of radio-frequency power amplifier 40 is connected with the built-in joint 22 of the first radio frequency delivery outlet 20, when power detector 35 has not detected power output, power detector delivery outlet 37 outputs second level signal (low level or high level, first level signal be high level then second level be low level, first level signal be low level then second level be high level), first radio-frequency (RF) switch 38 is directly connected to the delivery outlet 33 of power coupler 30 the built-in joint 22 ' of the second radio frequency delivery outlet 20 '.Because this radio frequency power amplification module is independent of base band/radio frequency module module, with the rf input port of this radio frequency power amplification module, is connected the radio frequency interface of base band/radio frequency module module during use, it is very easy to increase power output in this way.High level is a continuous value range in the present embodiment, for example continuous 1V-3V can represent high level, what low level was represented also is a scope, 0V-0.5V for example, and the voltage range of low level voltage range and high level belongs to different numerical value intervals respectively, therefore can't cause erroneous judgement disconnected.
Further, in order to improve the receiving sensitivity of radio frequency power amplification module, as shown in Figure 3, this radio frequency power amplification module also comprises low noise amplifier 60 and band pass filter 70, when power detector 35 has not detected power output, power detector delivery outlet 37 outputs second level signal, first radio-frequency (RF) switch 38 is connected to the delivery outlet 33 of power coupler 30 output 61 of low noise amplifier 60, the input 62 of low noise amplifier 60 is connected with the output 71 of band pass filter 70, and the input 72 of band pass filter 70 is connected with the built-in joint 22 ' of the second radio frequency delivery outlet 20 '.Since by band pass filter 70 can elimination operating frequency band outer clutter, and with filtered radiofrequency signal by low noise amplifier 60 amplifications, can realize improving the effect of receiving sensitivity.
Be serially connected with between the control mouth 39 of the delivery outlet 37 of power detector 35 and first radio-frequency (RF) switch 38, be used for the signal level of processing power wave detector 35 output, make it the signal conditioning circuit 80 that level that amplitude meets first radio-frequency (RF) switch 38 requires.
Second embodiment of the present utility model provides a kind of radio frequency power amplification module, the radio frequency power amplification module that present embodiment provides adopts the single antenna mode that connects, as shown in Figure 4, this radio frequency power amplification module 200 comprises: rf input port 10, the first radio frequency delivery outlet 20, power coupler 30, power detector 35, first radio-frequency (RF) switch 38, first radio-frequency (RF) switch 38 ' and the radio-frequency power amplifier 40.In use rf input port 10 coupling 11 is used for being connected with the radio frequency interface 5 of Fig. 1, the first radio frequency delivery outlet 20 coupling 21 is used to connect antenna.The input port 31 of power coupler 30 is connected with the built-in joint 12 of rf input port 10, the coupling aperture 32 of power coupler 30 is connected with the input port 36 of power detector 35, the delivery outlet 37 of power detector 35 is connected with the control mouth 39 of first radio-frequency (RF) switch 38, when power detector 35 has detected power output, delivery outlet 37 outputs first level signal of power detector 35, first radio-frequency (RF) switch 38 is connected to power coupler 30 delivery outlets 33 input port 41 of radio-frequency power amplifier 40, the delivery outlet 37 of power detector 35 is connected with the control mouth 39 ' of first radio-frequency (RF) switch 38 ', when power detector 35 has detected power output, delivery outlet 37 outputs first level signal of power detector 35, first radio-frequency (RF) switch 38 ' is connected to the delivery outlet 42 of radio-frequency power amplifier 40 the built-in joint 22 of the first radio frequency delivery outlet 20, when power detector 35 has not detected power output, delivery outlet 37 outputs second level signal of power detector 35, first radio-frequency (RF) switch 38 and first radio-frequency (RF) switch 38 ' are directly connected to the delivery outlet 33 of power coupler 30 the built-in joint 22 of the first radio frequency delivery outlet 20.Be with the difference of embodiment 1, the scheme of present embodiment adopts owing to adopted one first radio-frequency (RF) switch 38 ' more, only need connect an antenna when therefore using, but same owing to adopted first radio-frequency (RF) switch 38 ', can increase extra 1dB power loss.
Further, in order to improve the receiving sensitivity of radio frequency power amplification module, as shown in Figure 5, this radio frequency power amplification module also comprises low noise amplifier 60 and band pass filter 70, when power detector 35 has not detected power output, delivery outlet 37 outputs second level signal of power detector 35, first radio-frequency (RF) switch 38 is connected to the delivery outlet 33 of power coupler 30 output 61 of low noise amplifier 60, the input 62 of low noise amplifier 60 is connected with the output 71 of band pass filter 70, and first radio-frequency (RF) switch 38 ' is connected to the input port 72 of band pass filter 70 the built-in joint 22 of the first radio frequency delivery outlet 20.Since by band pass filter 70 can elimination operating frequency band outer clutter, and with filtered radiofrequency signal by low noise amplifier 60 amplifications, can realize improving the effect of receiving sensitivity.
Between the control mouth 39 of the delivery outlet 37 of power detector 35 and first radio-frequency (RF) switch 38, and and the control mouth 39 ' of first radio-frequency (RF) switch 38 ' between be serially connected with, be used for the signal level of processing power wave detector 35 output, make it the signal conditioning circuit 80 that level that amplitude meets first radio-frequency (RF) switch 38 requires.
Radio-frequency power amplifier in the foregoing description can be the radio-frequency power amplifier that is operated in ISM band.Radio-frequency (RF) switch also can adopt the radio-frequency (RF) switch that is operated in ISM band.Low noise amplifier is the low noise amplifier that is operated in ISM band, and band pass filter is the band pass filter that is operated in ISM band.
When stating embodiment on the implementation, wherein the selection of radio-frequency (RF) switch is mainly considered to insert factors such as loss, isolation, to guarantee in required operating frequency range, does not introduce too much insertion loss, can not cause decline to quality of signals again, radio-frequency (RF) switch is the alternative radio-frequency (RF) switch in the present embodiment.The 1dB compression point is mainly considered in the selection of radio-frequency power amplifier, and factors such as power gain to guarantee when obtaining required power output, are avoided input signal is introduced distortion.The low noise amplifier of receive path need be considered noise factor, factors such as gain.
The 3rd embodiment of the present utility model provides a kind of radio-frequency apparatus, comprises base band/radio frequency module module, and the radio frequency interface of base band/radio frequency module module is connected with as the radio frequency power amplification module among embodiment one and the embodiment two.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a radio frequency power amplification module (200) is characterized in that, comprising: rf input port (10), radio frequency delivery outlet, power coupler (30), power detector (35), first radio-frequency (RF) switch (38) and radio-frequency power amplifier (40), wherein:
The input port (31) of power coupler (30) is connected with the built-in joint (12) of rf input port (10), the coupling aperture (32) of power coupler (30) and the input port (36) of power detector (35) are connected, the delivery outlet (37) of power detector (35) is connected with the control mouth (39) of first radio-frequency (RF) switch (38), when power detector (35) has detected power output, first radio-frequency (RF) switch (38) is connected to the delivery outlet (33) of power coupler (30) input port (41) of radio-frequency power amplifier (40), the delivery outlet (42) of radio-frequency power amplifier (40) and the built-in joint of described radio frequency delivery outlet are connected, when power detector (35) had not detected power output, first radio-frequency (RF) switch (38) was connected to the delivery outlet (33) of power coupler (30) the built-in joint of described radio frequency delivery outlet.
2. radio frequency power amplification module as claimed in claim 1 (200), it is characterized in that, the quantity of radio frequency delivery outlet is two, the delivery outlet (42) of radio-frequency power amplifier (40) is connected with the built-in joint (22) of the first radio frequency delivery outlet (20), when power detector (35) had not detected power output, first radio-frequency (RF) switch (38) was connected to the delivery outlet (33) of power coupler (30) the built-in joint (22 ') of the second radio frequency delivery outlet (20 ').
3. radio frequency power amplification module as claimed in claim 2 (200), it is characterized in that, also comprise low noise amplifier (60) and band pass filter (70), when power detector (35) has not detected power output, first radio-frequency (RF) switch (38) is connected to the delivery outlet (33) of power coupler (30) output (61) of low noise amplifier (60), the input (62) of low noise amplifier (60) and the output (71) of band pass filter (70) are connected, and the input (72) of band pass filter (70) is connected with the built-in joint (22 ') of the second radio frequency delivery outlet (20 ').
4. radio frequency power amplification module as claimed in claim 1 (200), it is characterized in that, also comprise second radio-frequency (RF) switch (38 '), the quantity of radio frequency delivery outlet is one, the delivery outlet (37) of power detector (35) is connected with the control mouth (39 ') of second radio-frequency (RF) switch (38 '), when power detector (35) has detected power output, second radio-frequency (RF) switch (38 ') is connected to the delivery outlet (42) of radio-frequency power amplifier (40) the built-in joint (22) of the first radio frequency delivery outlet (20), perhaps when power detector (35) has not detected power output, power coupler (30) delivery outlet (33) is connected to the built-in joint (22) of the first radio frequency delivery outlet (20) by first radio-frequency (RF) switch (38) and second radio-frequency (RF) switch (38 ').
5. radio frequency power amplification module as claimed in claim 4 (200), it is characterized in that, also comprise low noise amplifier (60) and band pass filter (70), when power detector (35) has not detected power output, first radio-frequency (RF) switch (38) is connected to power coupler (30) delivery outlet (33) output (61) of low noise amplifier (60), the input (62) of low noise amplifier (60) and the output (71) of band pass filter (70) are connected, and second radio-frequency (RF) switch (38 ') is connected the input (72) of band pass filter (70) and the built-in joint (22) of the first radio frequency delivery outlet (20).
6. radio frequency power amplification module as claimed in claim 1 (200), it is characterized in that, be serially connected with between the control mouth (39) of power detector (35) delivery outlet (37) and first radio-frequency (RF) switch (38), be used for the signal level of processing power wave detector (35) output, the signal modulation circuit (80) that the level that makes the amplitude of described signal level meet radio-frequency (RF) switch (38) requires.
7. as the described radio frequency power amplification module of the arbitrary claim of claim 1-6 (200), it is characterized in that radio-frequency power amplifier (40) is for being operated in the radio-frequency power amplifier of ISM band.
8. as claim 3 or 5 described radio frequency power amplification modules (200), it is characterized in that low noise amplifier (60) is for being operated in the low noise amplifier of ISM band, band pass filter (70) is for being operated in the band pass filter of ISM band.
9. radio frequency power amplification module as claimed in claim 1 (200) is characterized in that, first radio-frequency (RF) switch (38) is the alternative radio-frequency (RF) switch.
10. radio-frequency apparatus, comprise base band/radio frequency module module (100), it is characterized in that, base band/radio frequency module module (100) is finished baseband modulation and demodulation, rf modulations demodulation function, and the radio frequency interface (5) of base band/radio frequency module module is connected with as the described radio frequency power amplification module of the arbitrary claim of claim 1-9 (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205921698U CN201869169U (en) | 2010-10-29 | 2010-10-29 | Radio frequency power amplification module and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205921698U CN201869169U (en) | 2010-10-29 | 2010-10-29 | Radio frequency power amplification module and device |
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| Publication Number | Publication Date |
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| CN201869169U true CN201869169U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205921698U Expired - Lifetime CN201869169U (en) | 2010-10-29 | 2010-10-29 | Radio frequency power amplification module and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014199380A1 (en) * | 2013-06-12 | 2014-12-18 | Corning Optical Communications Wireless, Ltd. | Time-division duplexing (tdd) in distributed communications systems, including distributed antenna systems (dass) |
| US9973968B2 (en) | 2012-08-07 | 2018-05-15 | Corning Optical Communications Wireless Ltd | Distribution of time-division multiplexed (TDM) management services in a distributed antenna system, and related components, systems, and methods |
| US10136427B2 (en) | 2016-08-08 | 2018-11-20 | Corning Optical Communications Wireless Ltd | Partitioning a time-division-based communications link for communicating multiple types of communications signals in a wireless distribution system (WDS) |
| US10560214B2 (en) | 2015-09-28 | 2020-02-11 | Corning Optical Communications LLC | Downlink and uplink communication path switching in a time-division duplex (TDD) distributed antenna system (DAS) |
| CN112886987A (en) * | 2021-03-30 | 2021-06-01 | 维沃移动通信有限公司 | Radio frequency circuit and electronic equipment |
-
2010
- 2010-10-29 CN CN2010205921698U patent/CN201869169U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9973968B2 (en) | 2012-08-07 | 2018-05-15 | Corning Optical Communications Wireless Ltd | Distribution of time-division multiplexed (TDM) management services in a distributed antenna system, and related components, systems, and methods |
| WO2014199380A1 (en) * | 2013-06-12 | 2014-12-18 | Corning Optical Communications Wireless, Ltd. | Time-division duplexing (tdd) in distributed communications systems, including distributed antenna systems (dass) |
| US9974074B2 (en) | 2013-06-12 | 2018-05-15 | Corning Optical Communications Wireless Ltd | Time-division duplexing (TDD) in distributed communications systems, including distributed antenna systems (DASs) |
| US10257828B2 (en) | 2013-06-12 | 2019-04-09 | Corning Optical Communications LLC | Time-division duplexing (TDD) in distributed communications systems, including distributed antenna systems (DASS) |
| US10694519B2 (en) | 2013-06-12 | 2020-06-23 | Corning Optical Communications LLC | Time-division duplexing (TDD) in distributed communications systems, including distributed antenna systems (DASS) |
| US11291001B2 (en) | 2013-06-12 | 2022-03-29 | Corning Optical Communications LLC | Time-division duplexing (TDD) in distributed communications systems, including distributed antenna systems (DASs) |
| US11792776B2 (en) | 2013-06-12 | 2023-10-17 | Corning Optical Communications LLC | Time-division duplexing (TDD) in distributed communications systems, including distributed antenna systems (DASs) |
| US10560214B2 (en) | 2015-09-28 | 2020-02-11 | Corning Optical Communications LLC | Downlink and uplink communication path switching in a time-division duplex (TDD) distributed antenna system (DAS) |
| US10136427B2 (en) | 2016-08-08 | 2018-11-20 | Corning Optical Communications Wireless Ltd | Partitioning a time-division-based communications link for communicating multiple types of communications signals in a wireless distribution system (WDS) |
| US10820319B2 (en) | 2016-08-08 | 2020-10-27 | Corning Optical Communications LLC | Partitioning a time-division-based communications link for communicating multiple types of communications signals in a wireless distribution system (WDS) |
| CN112886987A (en) * | 2021-03-30 | 2021-06-01 | 维沃移动通信有限公司 | Radio frequency circuit and electronic equipment |
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Address after: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee after: Beijing Watchdata Limited by Share Ltd Address before: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee before: Beijing Woqi Data System Co., Ltd. |
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Granted publication date: 20110615 |
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