CN205105175U - 380MHz -480MHz300W power amplifier - Google Patents
380MHz -480MHz300W power amplifier Download PDFInfo
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- CN205105175U CN205105175U CN201520822957.4U CN201520822957U CN205105175U CN 205105175 U CN205105175 U CN 205105175U CN 201520822957 U CN201520822957 U CN 201520822957U CN 205105175 U CN205105175 U CN 205105175U
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- power amplifier
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- power
- 480mhz300w
- 380mhz
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Abstract
The utility model discloses a 380MHz -480MHz300W power amplifier, including decay unit, preceding stage module, final stage module, coupling detection unit and CPU module, decay unit, preceding stage module, final stage module and coupling detection unit concatenate in proper order, the signal input part of CPU module and the detection signal output part of coupling detection unit communicate with each other, the output of CPU module is connected with pre -stage power amplifier module, final stage power amplifier module respectively. Compared with the prior art, the utility model discloses an all solid state power amplifier adopts advance gaN RF power pipe technique, rational design power amplifier link to optimize link power sum gain distribution, guarantee high efficiency, the high reliability of complete machine, and satisfy volume and weight requirement, thereby guarantee the advance of power amplifier.
Description
Technical field
The utility model relates to a kind of power amplifier, particularly relates to a kind of 380MHz-480MHz300W power amplifier.
Background technology
At radio communication field, it is no matter the transmitter of what form, we can see radio-frequency power amplifier at whole radio communication field play important role, the Main Function of radio-frequency power amplifier is in tranmitting frequency, low level signal is amplified to the power level required by long-distance transmissions.The efficiency of existing power amplifier, reliability all can not meet user's requirement of 380-480MHz300W power amplifier.
Utility model content
The purpose of this utility model is just to provide one to solve the problem, and reasonable in design, efficiency is high, and the 380-480MHz300W power amplifier that reliability is high.
To achieve these goals, the technical solution adopted in the utility model is: a kind of 380MHz-480MHz300W power amplifier, comprise attenuation units, prime module, final block, coupling detection unit and CPU module, described attenuation units, prime module, final block and coupling detection unit are connected in series successively, the signal input part of described CPU module communicates with the rectified signal output of coupling detection unit, the output of described CPU module respectively with prime power amplifier module, final stage power amplifier model calling.
As preferably, described attenuation units is 60dB dynamic range linear attenuation unit.
As preferably, described 60dB dynamic range linear attenuation unit is primarily of an amplifier, an amplitude limiter, three grades of attenuators and a control module composition, radiofrequency signal is inputted by amplifier, output to prime module through amplitude limiter, first order attenuator, second level attenuator, third level attenuator successively, the control signal output port of described control module is connected with the control signal input port of three grades of attenuators.
As preferably, described prime module forms primarily of third stage amplifier, and radiofrequency signal is successively by outputting to final block after first order amplifier, second level amplifier and third level amplifier.
As preferably, described final block to be grown up to be a useful person composition primarily of two power tubes, a column of dispensers and a combination, and two power tube inputs are connected with distributor respectively, and two power tube outputs are connected with synthesizer respectively.
As preferably, described distributor adopts three decibels power divider, and synthesizer adopts three decibels power combiner.
As preferably, described power tube is GaN power tube.
As preferably, described coupling detection unit is primarily of coupler and wave detector composition, and the rectified signal of described coupler enters CPU module through wave detector.
As preferably; described CPU module is primarily of amplifier circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer composition; the input of described amplifier circuit is connected with coupling detection unit; the output of amplifier circuit connects the input of standing wave and thermal-shutdown circuit and variable connector respectively; the output of thermal-shutdown circuit is connected with the input of variable connector, and the output of variable connector is connected with the input of single-chip microcomputer.
As preferably, described CPU module is provided with communication interface, and described communication interface is CAN communication interface.
Compared with prior art, the utility model has the advantage of: the utility model is all solid state power amplifier, adopt advanced GaN radio-frequency power Manifold technology, appropriate design power amplifier link, and optimize link power and gain distribution, ensure high efficiency, the high reliability of complete machine, and meet volume and weight requirement, thus ensure the advance of power amplifier.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the theory diagram of the utility model attenuation units;
Fig. 3 is the theory diagram of the utility model prime module;
Fig. 4 is the theory diagram of the utility model CPU module.
Embodiment
The utility model is described in further detail below.
Embodiment: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of 380-480MHz300W power amplifier, comprise 60dB dynamic range linear attenuation unit, prime module, final block, coupling detection unit and CPU module, 60dB dynamic range linear attenuation unit, prime module, final block and coupling detection unit are connected in series successively, the coupling output of detection unit is connected with the input of CPU module, CPU module is provided with communication interface, also comprise power module, described power module provides the working power of 32V ,+8V ,-8V for modules.
Described 60dB dynamic range linear attenuation unit is primarily of an amplifier, an amplitude limiter, three grades of attenuators and a control module composition, radiofrequency signal is inputted by amplifier, output to prime module through amplitude limiter, first order attenuator, second level attenuator, third level attenuator successively, the control signal output port of described control module is connected with the control signal input port of three grades of attenuators.First order amplifier gain is greater than 20dB, coordinates Π type attenuator to determine clip level; The input of amplitude limiter exports 11dBm within the scope of 12 ~ 30dBm, for the protection of power amplifier module input blasting; Three attenuators are same model, select numerical control pattern, and minimum step is 0.5dB, and maximum attenuation amount is 31.5dB.The simulation parameter of control module Real-time Collection power amplifier complete machine and quantity of state, control status amount, complete the real-time control to power amplifier complete machine, by simulation parameter and the quantity of state parameter of single-chip microcomputer real-time sampling power amplifier complete machine, simultaneously, receive the access of host computer, transmit the work state information of power amplifier complete machine to host computer.
Described prime module forms primarily of third stage amplifier, and radiofrequency signal is successively by outputting to final block after first order amplifier, second level amplifier and third level amplifier.
Described prime module is made up of third stage amplifier.Third stage amplifier is connected in series, and first order amplifier gain is greater than 20dB, peak power output 18dBm; Second level amplifier gain is greater than 20dB, peak power output 26dBm; Third level amplifier gain is greater than 20dB, peak power output 36dBm.Prime module power output in whole frequency band is greater than 3W.
Described final block is grown up to be a useful person by two power tubes, a column of dispensers and a combination and is formed.Two power tube inputs are connected with distributor respectively, and two power tube outputs are connected with synthesizer respectively.Power tube is GaN power amplifier, GaN power tube power output 180W, and gain is about 20dB, most effectively reaches 55%.Distributor adopts three decibels power divider mode, and synthesizer also adopts three decibels power combing mode.Final block power output in whole frequency band is greater than 350W.
Described coupling detection unit is primarily of coupler and wave detector composition, the signal input part of coupler is communicated with the synthesizer signal output part in final block, the effect that the rectified signal of described coupler enters CPU module wave detector through wave detector is exactly that the incidence of coupler, reflected signal are converted to DC level signal after detection, delivering to control module, the accuracy shown to a certain extent is ensured by wave detector.
Described CPU module is by amplifier circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer composition, the input of amplifier circuit is connected with wave detector, the output of amplifier circuit connects the input of standing wave and thermal-shutdown circuit and the input of variable connector respectively, the output of thermal-shutdown circuit is connected with the input of variable connector, the output of variable connector is connected with the input of single-chip microcomputer, described CPU module is provided with communication interface, described communication interface is CAN communication interface, the signal output part of described single-chip microcomputer is connected with CAN communication interface.
Above exhaustive presentation is carried out to a kind of 380MHz-480MHz300W power amplifier provided by the utility model, apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, to change of the present utility model and improve will be possible, and design and the scope of accessory claim defined can not be exceeded, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a 380MHz-480MHz300W power amplifier, it is characterized in that: comprise attenuation units, prime module, final block, coupling detection unit and CPU module, described attenuation units, prime module, final block and coupling detection unit are connected in series successively, the signal input part of described CPU module communicates with the rectified signal output of coupling detection unit, the output of described CPU module respectively with prime power amplifier module, final stage power amplifier model calling.
2. a kind of 380MHz-480MHz300W power amplifier according to claim 1, is characterized in that: described attenuation units is 60dB dynamic range linear attenuation unit.
3. a kind of 380MHz-480MHz300W power amplifier according to claim 2, it is characterized in that: described 60dB dynamic range linear attenuation unit is primarily of an amplifier, an amplitude limiter, three grades of attenuators and a control module composition, radiofrequency signal is inputted by amplifier, output to prime module through amplitude limiter, first order attenuator, second level attenuator, third level attenuator successively, the control signal output port of described control module is connected with the control signal input port of three grades of attenuators.
4. a kind of 380MHz-480MHz300W power amplifier according to claim 1, it is characterized in that: described prime module forms primarily of third stage amplifier, radiofrequency signal is successively by outputting to final block after first order amplifier, second level amplifier and third level amplifier.
5. a kind of 380MHz-480MHz300W power amplifier according to claim 1, it is characterized in that: described final block combines primarily of two power tubes, a column of dispensers and a composition of growing up to be a useful person, two power tube inputs are connected with distributor respectively, and two power tube outputs are connected with synthesizer respectively.
6. a kind of 380MHz-480MHz300W power amplifier according to claim 5, is characterized in that: described distributor adopts three decibels power divider, and synthesizer adopts three decibels power combiner.
7. a kind of 380MHz-480MHz300W power amplifier according to claim 5, is characterized in that: described power tube is GaN power tube.
8. a kind of 380MHz-480MHz300W power amplifier according to claim 1, is characterized in that: described coupling detection unit is primarily of coupler and wave detector composition, and the rectified signal of described coupler enters CPU module through wave detector.
9. a kind of 380MHz-480MHz300W power amplifier according to claim 1; it is characterized in that: described CPU module is primarily of amplifier circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer composition; the input of described amplifier circuit is connected with coupling detection unit; the output of amplifier circuit connects the input of standing wave and thermal-shutdown circuit and variable connector respectively; the output of thermal-shutdown circuit is connected with the input of variable connector, and the output of variable connector is connected with the input of single-chip microcomputer.
10. a kind of 380MHz-480MHz300W power amplifier according to claim 7, is characterized in that: described CPU module is provided with communication interface, and described communication interface is CAN communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822957.4U CN205105175U (en) | 2015-10-21 | 2015-10-21 | 380MHz -480MHz300W power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822957.4U CN205105175U (en) | 2015-10-21 | 2015-10-21 | 380MHz -480MHz300W power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105175U true CN205105175U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520822957.4U Expired - Fee Related CN205105175U (en) | 2015-10-21 | 2015-10-21 | 380MHz -480MHz300W power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105175U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055732A (en) * | 2016-05-03 | 2016-10-26 | 中国科学院等离子体物理研究所 | Design method for pre-stage solid-state microwave source of low-hybrid wave system |
| CN110324009A (en) * | 2019-06-20 | 2019-10-11 | 电子科技大学 | A kind of distributed generation resource modulated amplifier with filter function |
| CN111181507A (en) * | 2020-01-21 | 2020-05-19 | 西安茂德通讯科技有限公司 | X-band 400W power amplifier |
| CN111342779A (en) * | 2020-04-14 | 2020-06-26 | 湖北楚航电子科技有限公司 | Multichannel radio frequency power amplifier subassembly |
-
2015
- 2015-10-21 CN CN201520822957.4U patent/CN205105175U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055732A (en) * | 2016-05-03 | 2016-10-26 | 中国科学院等离子体物理研究所 | Design method for pre-stage solid-state microwave source of low-hybrid wave system |
| CN110324009A (en) * | 2019-06-20 | 2019-10-11 | 电子科技大学 | A kind of distributed generation resource modulated amplifier with filter function |
| CN111181507A (en) * | 2020-01-21 | 2020-05-19 | 西安茂德通讯科技有限公司 | X-band 400W power amplifier |
| CN111181507B (en) * | 2020-01-21 | 2024-01-30 | 西安茂德通讯科技有限公司 | X-band 400W power amplifier |
| CN111342779A (en) * | 2020-04-14 | 2020-06-26 | 湖北楚航电子科技有限公司 | Multichannel radio frequency power amplifier subassembly |
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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 |
Granted publication date: 20160323 Termination date: 20201021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |