CN202551012U - L-wave-band solid-state transmitter - Google Patents
L-wave-band solid-state transmitter Download PDFInfo
- Publication number
- CN202551012U CN202551012U CN2012201827111U CN201220182711U CN202551012U CN 202551012 U CN202551012 U CN 202551012U CN 2012201827111 U CN2012201827111 U CN 2012201827111U CN 201220182711 U CN201220182711 U CN 201220182711U CN 202551012 U CN202551012 U CN 202551012U
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Abstract
The utility model discloses an L-wave-band solid-state transmitter. The L-wave-band solid-state transmitter has an operating frequency L1 wave band of 1227.6MHz+/-10MHz and an operating frequency L2 wave band of 1575.42MHz+/-10MHz, and comprises an input coupler, a band-pass filter, a pre-class power amplifier module, a distributor, a plurality of final power amplifier modules, a synthesizer, a coupler, a detector and a central processing unit (CPU) controller, wherein the input coupler is connected with the band-pass filter and the CPU controller; the band-pass filter is connected with the pre-class power amplifier module; the output of the pre-class power amplifier module is connected with the distributor; the plurality of final power amplifier modules are respectively connected with the distributor and the synthesizer; the output of the synthesizer is connected with the coupler; a coupling end of the coupler is connected with the detector; the detector is connected with the CPU controller; the CPU controller is connected with the pre-class power amplifier module; and the CPU controller is also connected with display screen and panel keys and a communication serial port. The L-wave-band solid-state transmitter is reasonable in design, high in efficiency and high in reliability.
Description
Technical field
The utility model relates to a kind of power amplifier, particularly a kind of L-band solid state transmitter.
Background technology
At radio communication field; No matter be the transmitter of what form; We can both see that radio-frequency power amplifier playing the part of important role at whole radio communication field; The main effect of radio-frequency power amplifier is on tranmitting frequency, and low level signal is amplified to the desired power level of long-distance transmissions.Existing emitter can not satisfy user's demand.
Summary of the invention
It is a kind of reasonable in design that the purpose of the utility model just is to provide, and efficient is high, and the high L-band solid state transmitter of reliability.
To achieve these goals; The technical scheme that the utility model adopts is such: the L-band solid state transmitter of the utility model; Comprise input coupler, band pass filter, prime power amplifier module, distributor, several final stage power amplifier modules, synthesizer, coupler, wave detector, cpu controller and Switching Power Supply, signal is imported from input coupler, and the output of input coupler links to each other with the input of band pass filter and cpu controller; The output of band pass filter links to each other with the input of prime power amplifier module; The output of prime power amplifier module links to each other with the distributor input, and several final stage power amplifier module inputs link to each other with dispenser output end respectively, and output links to each other with the input of synthesizer respectively; The output of synthesizer links to each other with the input of coupler; The coupled end of coupler links to each other with the input of wave detector, and the output of wave detector links to each other with the input of cpu controller, and the output of cpu controller links to each other with the input of prime power amplifier module; Cpu controller also is connected with display screen and panel button and communication serial port, and Switching Power Supply provides the galvanic current source for each module.
As preferably; Said cpu controller is made up of sampling amplifying circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer; The input of sampling amplifying circuit is connected with wave detector, and output connects standing wave and the input of thermal-shutdown circuit and the input of variable connector, and 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, and the output of single-chip microcomputer connects said display screen and panel button and communication serial port.
As preferably, said communication serial port is the RS422 serial ports.
Compared with prior art; The advantage of the utility model is: this power amplifier is all solid state power amplifier, adopts advanced LDMOS radio-frequency power Manifold technology, appropriate design power amplifier link; And optimization link power and gain allocation; Guarantee high efficiency, the high reliability of complete machine, and satisfy the volume and weight requirement, thus the advance of assurance power amplifier.
Description of drawings
Fig. 1 is the functional block diagram of the utility model;
Fig. 2 is the functional block diagram of cpu controller among Fig. 1.
Embodiment
To combine accompanying drawing that the utility model is described further below.
Referring to Fig. 1 and Fig. 2; The L-band solid state transmitter of the utility model; Comprise input coupler, band pass filter, prime power amplifier module, distributor, several final stage power amplifier modules, synthesizer, coupler, wave detector, cpu controller and Switching Power Supply, signal is imported from input coupler, and the output of input coupler links to each other with the input of band pass filter and cpu controller; The output of band pass filter links to each other with the input of prime power amplifier module; The output of prime power amplifier module links to each other with the distributor input, and several final stage power amplifier module inputs link to each other with dispenser output end respectively, and output links to each other with the input of synthesizer respectively; The output of synthesizer links to each other with the input of coupler; The coupled end of coupler links to each other with the input of wave detector, and the output of wave detector links to each other with the input of cpu controller, and the output of cpu controller links to each other with the input of prime power amplifier module; Cpu controller also is connected with display screen and panel button and communication serial port, and Switching Power Supply provides the galvanic current source for each module.
Input coupler is used to monitor the state of input signal, and the input coupler signal that is coupled out is delivered to cpu controller and handled.
The prime power amplifier module is made up of amplitude limiter, level Four amplifier, a distributor, a synthesizer and a circulator; First order amplifier, gain G=15.5 dBm, operating voltage Vs=5V; Second level amplifier is identical with first order amplifier, between the first order and the second level, is connected in series an amplitude limiter, and purpose is to be limited in incoming level on certain level, thereby has guaranteed the reliability of complete machine power amplifier; Third level amplifier, gain G=18dB, operating voltage 28V, Maximum Power Output are 6W; Fourth stage amplifier is two GaN power tube parallel waies, and synthesis mode adopts 3dB 90 degree synthesis modes, and power output is greater than 60W, and this power tube is used the 28V DC power supply; Prime amplification module output connects a circulator, and purpose is proof load stationary wave characteristic when bad or during load open circuit, the protection power amplifier.
The synthetic employing homophase demultplexer of final stage multichannel power amplifier module, synthesizer mode.
The final stage power amplifier module is two wave band power amplifier modules of L1/L2, L1 wave band power amplifier operating frequency: 1227.6MHz ± 10MHz; L2 wave band power amplifier operating frequency: 1575.42MHz ± 10MHz, L1 wave band power amplifier uses 6 LDMOS power tubes, output rated power 180W (CW), linear gain is about 16dB, operating voltage 28V; L2 wave band power amplifier uses 4 LDMOS power tubes, output rated power 240W (CW), and linear gain is about 16dB, operating voltage 28V.
Coupler adopts the microstrip line form, and the output of coupling and reflected radio signal send wave detector, and coupler can bear power greater than 800W, and joint is the N type.
The effect of wave detector is exactly that incident, reflected signal coupler converts dc level signal to through after the detection, delivers to cpu controller again, shows that to a certain extent accuracy is guaranteed by wave detector.
Cpu controller is made up of sampling amplifying circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer; The input of sampling amplifying 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, and the output of single-chip microcomputer connects said display screen and panel button and communication serial port, and said communication serial port is the RS422 serial ports.Cpu controller is gathered the simulation parameter and the quantity of state of power amplifier complete machine in real time, and the control status amount is accomplished the real-time control to the power amplifier complete machine, through the simulation parameter and the quantity of state parameter of single-chip microcomputer real-time sampling power amplifier complete machine, and on display screen, shows; Simultaneously, receive the visit of host computer, transmit the work state information of power amplifier complete machine to host computer.
Claims (3)
1. L-band solid state transmitter; It is characterized in that: comprise input coupler, band pass filter, prime power amplifier module, distributor, several final stage power amplifier modules, synthesizer, coupler, wave detector, cpu controller and Switching Power Supply; Signal is imported from input coupler; The output of input coupler links to each other with the input of band pass filter and cpu controller, and the output of band pass filter links to each other with the input of prime power amplifier module, and the output of prime power amplifier module links to each other with the distributor input; Several final stage power amplifier module inputs link to each other with dispenser output end respectively; Output links to each other with the input of synthesizer respectively, and the output of synthesizer links to each other with the input of coupler, and the coupled end of coupler links to each other with the input of wave detector; The output of wave detector links to each other with the input of cpu controller; The output of cpu controller links to each other with the input of prime power amplifier module, and cpu controller also is connected with display screen and panel button and communication serial port, and Switching Power Supply provides the galvanic current source for each module.
2. L-band solid state transmitter according to claim 1; It is characterized in that: said cpu controller is made up of sampling amplifying circuit, standing wave and thermal-shutdown circuit, variable connector and single-chip microcomputer; The input of sampling amplifying 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, and the output of variable connector is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer connects said display screen and panel button and communication serial port.
3. L-band solid state transmitter according to claim 1 is characterized in that: said communication serial port is the RS422 serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201827111U CN202551012U (en) | 2012-04-26 | 2012-04-26 | L-wave-band solid-state transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201827111U CN202551012U (en) | 2012-04-26 | 2012-04-26 | L-wave-band solid-state transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202551012U true CN202551012U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201827111U Expired - Fee Related CN202551012U (en) | 2012-04-26 | 2012-04-26 | L-wave-band solid-state transmitter |
Country Status (1)
| Country | Link |
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| CN (1) | CN202551012U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868862A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplifier with switching function |
| CN105915191A (en) * | 2016-06-20 | 2016-08-31 | 上海觉浅广播器材有限公司 | Controller for frequency-modulated high power amplifier |
| 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 |
-
2012
- 2012-04-26 CN CN2012201827111U patent/CN202551012U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868862A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplifier with switching function |
| CN104868862B (en) * | 2015-05-15 | 2018-03-06 | 四川龙瑞微电子有限公司 | Microwave power amplifier with handoff functionality |
| CN105915191A (en) * | 2016-06-20 | 2016-08-31 | 上海觉浅广播器材有限公司 | Controller for frequency-modulated high power amplifier |
| 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 |
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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: 20121121 Termination date: 20150426 |
|
| EXPY | Termination of patent right or utility model |