CN205070949U - 2700MHz -3500MHz300W power amplifier - Google Patents
2700MHz -3500MHz300W power amplifier Download PDFInfo
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- CN205070949U CN205070949U CN201520817182.1U CN201520817182U CN205070949U CN 205070949 U CN205070949 U CN 205070949U CN 201520817182 U CN201520817182 U CN 201520817182U CN 205070949 U CN205070949 U CN 205070949U
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- module
- power amplifier
- power
- 2700mhz
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Abstract
The utility model discloses a 2.7GHz -3.5GHz300W power amplifier, including the linear decay unit of 60dB dynamic, preceding stage module, final stage module, coupling detection unit and CPU module, the linear decay unit of 60dB dynamic, preceding stage module, final stage module and coupling wave detector concatenate in proper order, the output of coupling wave detector links to each other with the input of CPU module, the output of CPU module is connected with preceding stage module, final stage module respectively, the linear decay unit of 60dB dynamic mainly comprises tertiary attenuator and a decay control module. 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.
Description
Technical field
The utility model relates to a kind of power amplifier, particularly relates to a kind of 2700MHz-3500MHz300W 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.Existing power amplifier can not meet the demand of user.
Utility model content
The purpose of this utility model is just to provide one to solve the problem, reasonable in design, efficiency is high, and the 2700MHz-3500MHz300W power amplifier of performance reliability.
To achieve these goals, the technical solution adopted in the utility model is: a kind of 2700MHz-3500MHz300W power amplifier, comprise 60dB dynamic range linear attenuation unit, prime module, final block, coupling detection unit and CPU module, described 60dB dynamic range linear attenuation unit, prime module, final block and coupling geophone are connected in series successively, the output of described coupling geophone is connected with the input of CPU module, the output of described CPU module respectively with prime module, final block connects, described 60dB dynamic range linear attenuation unit is primarily of three grades of attenuators and an adjustable attenuation module composition.
As preferably, described three grades of attenuators are in series successively primarily of three attenuators, the control output end mouth of described adjustable attenuation module is connected with the control inputs port of three attenuators respectively, and radiofrequency signal outputs to prime module successively after the first order, the second level and third level attenuator.
As preferably, described three attenuators are numerical control pattern and the attenuator of same model, and its minimum step is 0.5dB, and maximum attenuation amount is 31.5dB.
As preferably, described prime module forms primarily of third stage amplifier, and described third stage amplifier is in series successively by three amplifiers, and radiofrequency signal is successively by outputting to final block after the first order, the second level and third level amplifier.
As preferably, described final block is primarily of two power tubes, a distributor and a synthesizer composition, and described two power tube inputs are connected with distributor respectively, and two power tube outputs are connected with synthesizer respectively.
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 described amplifier circuit connects standing wave and the input of thermal-shutdown circuit and the input of variable connector; 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
As preferably, described CPU module is provided with communication serial port, and described communication serial port is CAN communication mouth.
As preferably, also comprise for modules provides the power module of 32V ,+8V ,-8V working power.
Compared with prior art, the utility model has the advantage of: be 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 the utility model theory diagram;
Fig. 2 is the theory diagram of the utility model attenuation units;
Fig. 3 is the theory diagram of the utility model prime module.
Embodiment
The utility model is described in further detail below.
Embodiment: see Fig. 1, Fig. 2, Fig. 3, a kind of 2700MHz-3500MHz300W 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 port, and amplification module provides working power by 32V ,+8V ,-8V power supply for modules.
Described 60dB dynamic range linear attenuation unit is made up of three attenuators and an adjustable attenuation module, and three grades of attenuators are together in series successively, and the control output end mouth of adjustable attenuation module and the control inputs port of three attenuators couple together.Three attenuators are same model, select numerical control pattern, and minimum step is 0.5dB, and maximum attenuation amount is 31.5dB.
Described prime module is made up of third stage amplifier, and third stage amplifier is connected in series, and first order amplifier gain is greater than 12dB, peak power output 20dBm; Second level amplifier gain is greater than 32dB, peak power output 26dBm; Third level amplifier gain is greater than 15dB, peak power output 47dBm.Prime module exports pulse power and is greater than 50W in whole frequency band.
Described final block is made up of two power tubes, a distributor and a synthesizer.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, the maximum output pulse power 180W of GaN power tube, and gain is about 9dB, most effectively reaches 40%.Distributor adopts three decibels power divider mode, and synthesizer also adopts three decibels power combing mode.Final block exports pulse power and is greater than 300W in whole frequency band.
The effect of wave detector is exactly that the incidence of coupler, reflected signal are converted to DC level signal after detection, and delivering to control module, the accuracy shown to a certain extent is ensured by wave detector.
Described CPU module is made up of amplifier circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer; the input of amplifier circuit is connected with wave detector; output connects standing wave and the input of thermal-shutdown circuit and the input of variable connector; 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; the output of single-chip microcomputer connects described communication serial port, and described port is CAN communication mouth.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.
Above exhaustive presentation is carried out to a kind of 2700MHz-3500MHz300W 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 (8)
1. a 2700MHz-3500MHz300W power amplifier, it is characterized in that: comprise 60dB dynamic range linear attenuation unit, prime module, final block, coupling detection unit and CPU module, described 60dB dynamic range linear attenuation unit, prime module, final block and coupling geophone are connected in series successively, the output of described coupling geophone is connected with the input of CPU module, the output of described CPU module respectively with prime module, final block connects, described 60dB dynamic range linear attenuation unit is primarily of three grades of attenuators and an adjustable attenuation module composition.
2. 2700MHz-3500MHz300W power amplifier according to claim 1, it is characterized in that: described three grades of attenuators are in series successively by three attenuators, the control output end mouth of described adjustable attenuation module is connected with the control inputs port of three attenuators respectively, and radiofrequency signal outputs to prime module successively after the first order, the second level and third level attenuator.
3. 2700MHz-3500MHz300W power amplifier according to claim 2, is characterized in that: described three attenuators are numerical control pattern and the attenuator of same model, and its minimum step is 0.5dB, and maximum attenuation amount is 31.5dB.
4. 2700MHz-3500MHz300W power amplifier according to claim 1, it is characterized in that: described prime module forms primarily of third stage amplifier, described third stage amplifier is in series successively by three amplifiers, and radiofrequency signal is successively by outputting to final block after the first order, the second level and third level amplifier.
5. 2700MHz-3500MHz300W power amplifier according to claim 1, it is characterized in that: described final block is primarily of two power tubes, a distributor and a synthesizer composition, described two power tube inputs are connected with distributor respectively, and two power tube outputs are connected with synthesizer respectively.
6. 2700MHz-3500MHz300W 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 described amplifier circuit connects standing wave and the input of thermal-shutdown circuit and the input of variable connector; 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
7. 2700MHz-3500MHz300W power amplifier according to claim 6, is characterized in that: described CPU module is provided with communication serial port, described communication serial port is CAN communication mouth.
8. 2700MHz-3500MHz300W power amplifier according to claim 1, is characterized in that: also comprise for modules provides the power module of 32V ,+8V ,-8V working power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817182.1U CN205070949U (en) | 2015-10-21 | 2015-10-21 | 2700MHz -3500MHz300W power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817182.1U CN205070949U (en) | 2015-10-21 | 2015-10-21 | 2700MHz -3500MHz300W power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070949U true CN205070949U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817182.1U Expired - Fee Related CN205070949U (en) | 2015-10-21 | 2015-10-21 | 2700MHz -3500MHz300W power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988814A (en) * | 2019-11-27 | 2020-04-10 | 南京长峰航天电子科技有限公司 | X-frequency-band 2000-watt solid-state transmitter and system |
| CN112422091A (en) * | 2020-11-18 | 2021-02-26 | 成都菲斯洛克电子技术有限公司 | Miniaturized multifunctional MHz anti-interference continuous wave power amplifier module |
-
2015
- 2015-10-21 CN CN201520817182.1U patent/CN205070949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988814A (en) * | 2019-11-27 | 2020-04-10 | 南京长峰航天电子科技有限公司 | X-frequency-band 2000-watt solid-state transmitter and system |
| CN112422091A (en) * | 2020-11-18 | 2021-02-26 | 成都菲斯洛克电子技术有限公司 | Miniaturized multifunctional MHz anti-interference continuous wave power amplifier module |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20201021 |