CN204794914U - Radio frequency power amplifier wave filter subassembly - Google Patents
Radio frequency power amplifier wave filter subassembly Download PDFInfo
- Publication number
- CN204794914U CN204794914U CN201520408779.0U CN201520408779U CN204794914U CN 204794914 U CN204794914 U CN 204794914U CN 201520408779 U CN201520408779 U CN 201520408779U CN 204794914 U CN204794914 U CN 204794914U
- Authority
- CN
- China
- Prior art keywords
- radio
- frequency
- power amplifier
- switch
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a wave filter technical field discloses a radio frequency power amplifier wave filter subassembly, but including first RF switch, digital control attenuator, power amplifier, low pass filter, directional coupler, second RF switch, logic controller and programming control chip, first RF switch, digital control attenuator, power amplifier, low pass filter, directional coupler, second RF switch connect gradually, but the programming control chip all is connected with first RF switch, digital control attenuator, low pass filter, directional coupler, second RF switch, but the programming control chip still is connected with power amplifier through logic controller. The utility model discloses integrateed transceiver's channel part has transceiver channel partial all functions, can make realization modularization and miniaturization that transceiver is convenient.
Description
Technical field
The utility model relates to radio-frequency (RF) power amplification wave filter technology field, more particularly, and particularly a kind of radio-frequency (RF) power amplification filter assembly of ultra broadband section transceiver.
Background technology
In recent years along with the develop rapidly of electronic technology, the application of wideband radio communications technology is more and more extensive.Radio-frequency (RF) power amplification filter assembly is positioned at radio frequency rear module.Radio frequency rear module is as the important component part of transceiver, and its major function also must launch ultra-wideband high-power radio signal; Receive extremely faint high-frequency signal, and send it to radio-frequency (RF) front-end circuit; The adaptive capacity of radio frequency rear module also determine the dynamic range of receiver; The good linearity can intermodulation distortion and crosstalk etc. in minimizing system.
Utility model content
The purpose of this utility model is the radio-frequency (RF) power amplification filter assembly providing a kind of ultra broadband section transceiver.
In order to solve problem set forth above, the technical solution adopted in the utility model is:
A kind of radio-frequency (RF) power amplification filter assembly, comprises the first radio-frequency (RF) switch, numerical-control attenuator, power amplifier, low pass filter, directional coupler, the second radio-frequency (RF) switch, logic controller and programmable control chip; Described first radio-frequency (RF) switch, numerical-control attenuator, power amplifier, low pass filter, directional coupler, the second radio-frequency (RF) switch connect successively, described programmable control chip is all connected with the first radio-frequency (RF) switch, numerical-control attenuator, low pass filter, the second radio-frequency (RF) switch, and described programmable control chip is also connected with power amplifier by logic controller.
According to a preferred embodiment of the present utility model: also comprise power amplifier protective circuit and temperature indicator circuit, described power amplifier protective circuit is connected with directional coupler, logic controller, and described temperature indicator circuit is connected with power amplifier protective circuit.
According to a preferred embodiment of the present utility model: this radio-frequency (RF) power amplification filter assembly is integrated in a metal shell.
Compared with prior art, the beneficial effects of the utility model are:
1, the radio-frequency (RF) power amplification filter assembly of ultra broadband section transceiver of the present utility model is integrated with radio frequency amplifier, the serial protective circuit such as directional coupler and power detection, temperature protection, overload protection of transceiver back-end; also has harmonic filter simultaneously; the circuit of some complexity such as digital control attenuator, automatic growth control, transmit-receive switch; this product can replace transceiver rear end; originally scattered circuit has been carried out system in combination, level of integrated system and the reliability of transceiver can have been improved so greatly.
2, the utility model adopts wideband linear amplifier and filter with low insertion loss height harmonic inhabitation filter, improves the bandwidth of operation of transceiver, the linearity, high efficiency, harmonics restraint are good, to properties such as other transceiver interference little grade.
3, to have high power work frequency wide for the utility model, and power output amplitude fluctuation is little, and operating frequency can be expanded from 1MHz to 606MHz.
4, the utility model adopts metal shell to encapsulate and ensure that the anti-interference condition of the electromagnetism of thermal stability and complexity.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the functional-block diagram of radio-frequency (RF) power amplification filter assembly of the present utility model.
Fig. 2 is the circuit diagram of radio-frequency (RF) power amplification filter assembly intermediate power amplifier of the present utility model.
Description of reference numerals: 1, the first radio-frequency (RF) switch, 2, numerical-control attenuator, 3, power amplifier, 4, low pass filter; 5, directional coupler, the 6, second radio-frequency (RF) switch, 7, logic controller; 8, programmable control chip, 9, power amplifier protective circuit, 10, temperature indicator circuit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Embodiment
Consult shown in Fig. 1, the utility model provides a kind of radio-frequency (RF) power amplification filter assembly, comprises the first radio-frequency (RF) switch 1, numerical-control attenuator 2, power amplifier 3, low pass filter 4, directional coupler 5, second radio-frequency (RF) switch 6, logic controller 7 and programmable control chip 8; Described first radio-frequency (RF) switch 1, numerical-control attenuator 2, power amplifier 3, low pass filter 4, directional coupler 5, second radio-frequency (RF) switch 6 connect successively, described programmable control chip 8 is all connected with the first radio-frequency (RF) switch 1, numerical-control attenuator 2, low pass filter 4, second radio-frequency (RF) switch 6, and described programmable control chip 8 is also connected with power amplifier 3 by logic controller 7.
The utility model also comprises power amplifier protective circuit 9 and temperature indicator circuit 10, and described power amplifier protective circuit 9 is connected with directional coupler 5, logic controller 7, and described temperature indicator circuit 10 is connected with power amplifier protective circuit 9.
Operation principle of the present utility model is, the modulation signal that transceiver is brought first sends into the first radio-frequency (RF) switch 1 in module, to numerical-control attenuator 2, arrive power amplifier 3 again, its harmonic noise of low pass filter 4 filtering of filter with low insertion loss height harmonic inhabitation is given by the signal after power amplifier 3 amplifies, then give directional coupler 5 and carry out power detection, according to the result judge module operating state detected.Finally be connected with extraneous antenna again.And programmable control chip 8 can convert parallel port output to the serial data of main frame, control corresponding transceiving radio frequency switch and corresponding band switch.
In order to ensure that thermal stability and the complicated anti-interference condition of electromagnetism, radio-frequency (RF) power amplification filter assembly of the present utility model is integrated in a metal shell.
Consult shown in Fig. 2, be the circuit diagram of power amplifier 3, this part is positioned at ultra broadband section Transceiver Module front end, and radio-frequency input signals exports powerful signal after power amplifier amplifies.A group transistor in this figure plays power combing effect, ensure that the linearity of power amplifier under large-signal input, improves the interference free performance of module.
Low pass filter 4 part is positioned at ultra broadband section Transceiver Module rear end, and this filter adopts elliptic function filter original shape composition, has loss little, to advantages such as clutter suppression capability are strong, effectively raises sensitivity and the antijamming capability of whole module.
On the whole, the utility model is main body based on the low pass filter of power amplifier and filter with low insertion loss height harmonic inhabitation, other circuit are auxiliary ultra broadband section transceiver module, this Components integration channel strip of transceiver, there are all functions of transceiver channel strip, transceiver can be made to realize modularization, miniaturization easily.And the utility model is high owing to having degree of integration, it can have market prospects widely at military, civil area.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (3)
1. a radio-frequency (RF) power amplification filter assembly, is characterized in that: comprise the first radio-frequency (RF) switch (1), numerical-control attenuator (2), power amplifier (3), low pass filter (4), directional coupler (5), the second radio-frequency (RF) switch (6), logic controller (7) and programmable control chip (8); Described first radio-frequency (RF) switch (1), numerical-control attenuator (2), power amplifier (3), low pass filter (4), directional coupler (5), the second radio-frequency (RF) switch (6) connect successively, described programmable control chip (8) is all connected with the first radio-frequency (RF) switch (1), numerical-control attenuator (2), low pass filter (4), directional coupler (5), the second radio-frequency (RF) switch (6), and described programmable control chip (8) is also connected with power amplifier (3) by logic controller (7).
2. radio-frequency (RF) power amplification filter assembly according to claim 1; it is characterized in that: also comprise power amplifier protective circuit (9) and temperature indicator circuit (10); described power amplifier protective circuit (9) is connected with directional coupler (5), logic controller (7), and described temperature indicator circuit (10) is connected with power amplifier protective circuit (9).
3. radio-frequency (RF) power amplification filter assembly according to claim 1, is characterized in that: this radio-frequency (RF) power amplification filter assembly is integrated in a metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408779.0U CN204794914U (en) | 2015-06-13 | 2015-06-13 | Radio frequency power amplifier wave filter subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408779.0U CN204794914U (en) | 2015-06-13 | 2015-06-13 | Radio frequency power amplifier wave filter subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794914U true CN204794914U (en) | 2015-11-18 |
Family
ID=54534885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408779.0U Expired - Fee Related CN204794914U (en) | 2015-06-13 | 2015-06-13 | Radio frequency power amplifier wave filter subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245794A (en) * | 2018-10-26 | 2019-01-18 | 中兵通信科技股份有限公司 | A kind of double-channel wireless broadband transmission equipment |
-
2015
- 2015-06-13 CN CN201520408779.0U patent/CN204794914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245794A (en) * | 2018-10-26 | 2019-01-18 | 中兵通信科技股份有限公司 | A kind of double-channel wireless broadband transmission equipment |
| CN109245794B (en) * | 2018-10-26 | 2023-11-24 | 中兵通信科技股份有限公司 | Dual-channel wireless broadband transmission equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102832959B (en) | Radio-frequency front end in high and medium frequency superheterodyne+zero intermediate frequency structure | |
| CN110190861B (en) | Millimeter wave broadband receiver | |
| CN204044354U (en) | High receiving sensitivity broadband receiver | |
| CN104320150A (en) | Ultra-wideband microwave receiver and signal segment processing method thereof | |
| CN205142190U (en) | Frequency conversion mirror image of X wave band suppresses receiver | |
| CN104767490A (en) | Broadband terahertz even-order harmonic mixing circuit and working method | |
| CN202798694U (en) | Short wave rear selector | |
| CN204228950U (en) | A kind of radar system L-band transceiver | |
| CN114204950B (en) | High-performance broadband microwave receiving channel | |
| CN204794914U (en) | Radio frequency power amplifier wave filter subassembly | |
| CN101833083A (en) | Radio-frequency front-end circuit of L-band radar receiver | |
| CN206060732U (en) | A kind of wide dynamic range AFE (analog front end) | |
| CN102694556B (en) | Second local oscillator circuit of ultra short wave receiver with low-power consumption and high phase noise index | |
| CN103675765B (en) | High-frequency software radio receiving system | |
| CN208675206U (en) | The radio architectures of wide-band communication system | |
| CN113381779B (en) | Ultra wideband receiver | |
| CN203457146U (en) | Radio ultra-short frequency receiver | |
| CN214480596U (en) | Radio frequency assembly | |
| CN102510269B (en) | Small short-wave preselector | |
| CN114050791A (en) | Multi-octave broadband frequency conversion assembly | |
| CN206922743U (en) | Integrated Ka wave band antennas front end | |
| CN111130587A (en) | Novel SC frequency channel broadband TR subassembly | |
| CN112217535A (en) | Multi-mode radio frequency front-end integrated chip and working method | |
| CN110166064A (en) | A kind of novel gaussian passband intermediate-frequency receiver | |
| CN203301464U (en) | Receiver front-end filter for improving rejection ratio index of image frequency and intermediate frequency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190613 |