CN205081773U - Solid -state transmitter - Google Patents
Solid -state transmitter Download PDFInfo
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- CN205081773U CN205081773U CN201520817142.7U CN201520817142U CN205081773U CN 205081773 U CN205081773 U CN 205081773U CN 201520817142 U CN201520817142 U CN 201520817142U CN 205081773 U CN205081773 U CN 205081773U
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- module
- power
- amplifier
- power amplifier
- solid state
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Abstract
The utility model discloses a solid -state transmitter, including driver, distributor, final stage power amplifier, synthesizer, directional coupler, power collector, control module, power module, water cooling system, wherein driver, distributor, final stage power amplifier, synthesizer, directional coupler concatenate in proper order, directional coupler's the ALC end and the ALC end intercommunication of driver, control module's signal input part and directional coupler's signal output part intercommunication, the power collector links to each other with, driver, final stage power amplifier, power module to the supply current voltage signal that will gather send entry control the module. Compared with the prior art, the utility model discloses a power amplifier is all solid state power amplifier, adopts 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 solid state transmitter, particularly relates to a kind of 40MHz50KW solid state transmitter.
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 solid state transmitter, reliability all can not meet the instructions for use of 40MHz50KW solid state transmitter.
Utility model content
The purpose of this utility model is just to provide one to solve the problems referred to above, reasonable in design, efficiency is high and reliability is high, meet the solid state transmitter of 40MHz50KW instructions for use.
To achieve these goals, the technical solution adopted in the utility model is: a kind of solid state transmitter, comprise exciter, distributor, final stage power amplifier, synthesizer, directional coupler, power acquisition storage, control module, power module, water-cooling system, wherein exciter, distributor, final stage power amplifier, synthesizer, directional coupler is connected in series successively, the ALC end of directional coupler is held with the ALC of exciter and is communicated with, the signal input part of described control module is communicated with the signal output part of directional coupler, described power acquisition storage with, exciter, final stage power amplifier, power module is connected, and the current and voltage of power supply signal collected is sent into control module.
As preferably, described exciter module is primarily of frequency source, amplitude limiter, ALC, first stage amplifier, two-stage amplifier, third stage amplifier, coupling geophone composition, frequency source provides input signal, successively by ALC, first stage amplifier, two-stage amplifier, third stage amplifier after amplitude limiter amplitude limit, export radiofrequency signal finally by coupling geophone.
As preferably, described distributor is primarily of one group of 2kW distributor, two groups of 1kW one-to-two distributors and four groups of 500W, mono-point of eight distributor composition.
As preferably, described final stage power amplifier module has the 2KW power amplifier module composition of overheat protector function primarily of 32.
As preferably, described 2KW power amplifier module is primarily of three decibels distributor, two LDMOS pipes, three decibels synthesizer, coupler compositions, input radio frequency signal is divided into two-way by three decibels distributor, after being amplified respectively by two LDMOS pipes, carry out power combing by three decibels synthesizer again, export radiofrequency signal by coupler.
As preferably, described exciter and final stage power amplifier are equipped with monitoring unit, described monitoring unit are connected with temperature sensor and current sensor, described monitoring module completes the sampling to temperature and electric current, and sampled signal passes to power supply collecting unit.
As preferably, be communicated with by RS485 communication serial port between described power supply acquisition module with the monitoring module of exciter, final stage power amplifier module.
As preferably; described control module is primarily of 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 standing wave and the input of thermal-shutdown circuit and the input of variable connector; the output of standing wave and 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 power module provides 50V and 12V DC power supply for each module.
As preferably, described synthesizer is primarily of four groups of 25kW eight-in-one synthesizers and one group of four-in-one 80kW synthesizer composition.
Compared with prior art, the utility model has the advantage of: power amplifier of the present utility model is all solid state power amplifier, adopt 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 exciter;
Fig. 3 is the theory diagram of the utility model power amplifier module;
Fig. 4 is the theory diagram of the utility model control module.
Embodiment
The utility model is described in further detail below.
Embodiment: see Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of solid state transmitter, comprises exciter, distributor, synthesizer, final stage power amplifier, directional coupler, power acquisition storage, control module, power module, water-cooling system.Wherein exciter, distributor, final stage power amplifier, synthesizer, directional coupler are connected in series successively, and the ALC end of directional coupler is connected with exciter, and Pr, Po output is connected with the input of control module; Power acquisition storage is connected with power module, and the current and voltage of power supply signal collected is sent into control module; Control module is provided with communication serial port, and power module provides 50V and 12V DC power supply for each module.
Described exciter module forms primarily of frequency source, amplitude limiter, ALC, third stage amplifier, coupling geophone, current sensor, temperature sensor and monitoring unit.Frequency source provides the input signal of 40MHz, successively by ALC, first stage amplifier, two-stage amplifier, third stage amplifier after amplitude limiter amplitude limit, exports radiofrequency signal finally by coupling geophone.Rectified signal is sent into monitoring unit by coupling geophone, monitoring unit completes the sampling to temperature and electric current by temperature sensor and current sensor, and by RS-485 interface, sampled signal is passed to power supply collecting unit. frequency source power output 13dBm power stability after amplitude limiter exports as 11dBm, to decay about 6dB through ALC, first order amplifier gain is greater than 17dB, and peak power output can reach 6W.Second level gain is greater than 20dB, peak power output 25W.Third level amplifier gain is greater than 21dB, peak power output 1200W; Amplitude limiter is operating frequency 30 ~ 3000MHz, exports 11dBm within the scope of input 12 ~ 30dBm, for the protection of power amplifier module input blasting; In the whole frequency band of exciter, power output power output is greater than 600W.
Described ALC is arranged on before first order amplifier, and its effect is stable transmitter complete machine power output, to reduce the change that the factors such as variations in temperature cause output power of transmitter.
Described final stage power amplifier forms primarily of 32 2kW power amplifier modules: each 2kW power amplifier module power output is greater than 2KW, has overheat protector function.Be made up of three decibels distributor, two LDMOS pipes, three decibels synthesizer, coupler, temperature sensor, current sensor, monitoring units.Input radio frequency signal is divided into two-way by three decibels distributor, after being amplified respectively, then has three decibels synthesizer to carry out power combing, export radiofrequency signal by coupler by two LDMOS pipes; Coupler is sampled power output and Po signal is sent into monitoring unit, simultaneously monitoring unit and sampled module temperature by temperature sensor, sampled by the electric current of current sensor to module, and sampled signal is uploaded by RS485 communication interface. every power tube power output is greater than 1100W, and gain is greater than 21dB.2kW power amplifier module is designed with thermal-shutdown circuit simultaneously, automatically shuts down when power amplifier module temperature exceedes setting threshold value, and guard mode is reported monitoring unit.Monitoring unit completes the sampling of the operating voltage of power amplifier module, operating current, cooled plate temperature and power output, and reports rack control unit through communication bus.Distributor adopts three decibels power divider mode; Synthesizer also adopts three decibels power combing mode.
The effect of coupler is exactly after overcoupling, utilize wave detector to convert DC level signal to by after coupled signal the incidence reflection signal of coupler, then delivers to monitoring unit, and the accuracy shown to a certain extent is ensured by wave detector.
Described control module is primarily of 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; 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 communication serial port is RS422 serial ports.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 solid state transmitter 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 solid state transmitter, it is characterized in that: comprise exciter, distributor, final stage power amplifier, synthesizer, directional coupler, power acquisition storage, control module, power module, water-cooling system, wherein exciter, distributor, final stage power amplifier, synthesizer, directional coupler is connected in series successively, the ALC end of directional coupler is held with the ALC of exciter and is communicated with, the signal input part of described control module is communicated with the signal output part of directional coupler, described power acquisition storage with, exciter, final stage power amplifier, power module is connected, and the current and voltage of power supply signal collected is sent into control module.
2. a kind of solid state transmitter according to claim 1, it is characterized in that: described exciter module is primarily of frequency source, amplitude limiter, ALC, first stage amplifier, two-stage amplifier, third stage amplifier, coupling geophone composition, frequency source provides input signal, successively by ALC, first stage amplifier, two-stage amplifier, third stage amplifier after amplitude limiter amplitude limit, export radiofrequency signal finally by coupling geophone.
3. a kind of solid state transmitter according to claim 1, is characterized in that: described distributor is primarily of one group of 2kW distributor, two groups of 1kW one-to-two distributors and four groups of 500W, mono-point of eight distributor composition.
4. a kind of solid state transmitter according to claim 1, is characterized in that: described final stage power amplifier module has the 2KW power amplifier module composition of overheat protector function primarily of 32.
5. a kind of solid state transmitter according to claim 4, it is characterized in that: described 2KW power amplifier module is primarily of three decibels distributor, two LDMOS pipes, three decibels synthesizer, coupler compositions, input radio frequency signal is divided into two-way by three decibels distributor, after being amplified respectively by two LDMOS pipes, carry out power combing by three decibels synthesizer again, export radiofrequency signal by coupler.
6. a kind of solid state transmitter according to claim 1, it is characterized in that: described exciter and final stage power amplifier are equipped with monitoring unit, described monitoring unit is connected with temperature sensor and current sensor, described monitoring module completes the sampling to temperature and electric current, and sampled signal passes to power supply collecting unit.
7. a kind of solid state transmitter according to claim 6, is characterized in that: be communicated with by RS485 communication serial port between described power supply acquisition module with the monitoring module of exciter, final stage power amplifier module.
8. a kind of solid state transmitter according to claim 1; it is characterized in that: described control module is primarily of 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 standing wave and the input of thermal-shutdown circuit and the input of variable connector; the output of standing wave and 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.
9. a kind of solid state transmitter according to claim 1, is characterized in that: described power module provides 50V and 12V DC power supply for each module.
10. a kind of solid state transmitter according to claim 1, is characterized in that: described synthesizer is primarily of four groups of 25kW eight-in-one synthesizers and one group of four-in-one 80kW synthesizer composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817142.7U CN205081773U (en) | 2015-10-21 | 2015-10-21 | Solid -state transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817142.7U CN205081773U (en) | 2015-10-21 | 2015-10-21 | Solid -state transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081773U true CN205081773U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817142.7U Expired - Fee Related CN205081773U (en) | 2015-10-21 | 2015-10-21 | Solid -state transmitter |
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| CN (1) | CN205081773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712722A (en) * | 2016-11-29 | 2017-05-24 | 中国电子科技集团公司第四十研究所 | Novel broadband solid state power amplifier with separate design |
| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN111030615A (en) * | 2019-11-12 | 2020-04-17 | 南京长峰航天电子科技有限公司 | 6-18 GHz ultra wide band high-power solid-state power amplifier assembly |
-
2015
- 2015-10-21 CN CN201520817142.7U patent/CN205081773U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712722A (en) * | 2016-11-29 | 2017-05-24 | 中国电子科技集团公司第四十研究所 | Novel broadband solid state power amplifier with separate design |
| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN111030615A (en) * | 2019-11-12 | 2020-04-17 | 南京长峰航天电子科技有限公司 | 6-18 GHz ultra wide band high-power solid-state power amplifier assembly |
| CN111030615B (en) * | 2019-11-12 | 2024-02-13 | 南京长峰航天电子科技有限公司 | 6-18 GHz ultra-wideband high-power solid-state power amplifier assembly |
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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: 20160309 Termination date: 20201021 |