CN207410334U - A kind of microwave transmitter - Google Patents
A kind of microwave transmitter Download PDFInfo
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- CN207410334U CN207410334U CN201721268268.9U CN201721268268U CN207410334U CN 207410334 U CN207410334 U CN 207410334U CN 201721268268 U CN201721268268 U CN 201721268268U CN 207410334 U CN207410334 U CN 207410334U
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Abstract
A kind of 16KW solid state pulses transmitter, it includes encouraging cabinet, 16KW power amplifiers cabinet and output coupling cabinet, 16KW power amplifiers cabinet includes one point of ten power divider, 10 2KW power amplifier modules, ten unification power combiners and a 10 tunnel absorbing loads, power divider, power amplifier module, power combiner and absorbing load are sequentially connected in series, the input terminal of the output terminal of power combiner and the output coupling cabinet.The utility model makes the power of entire transmitter and gain reasonable distribution by using one point of ten power divider, 10 2KW power amplifier modules, a ten unification power combiners and distributing rationally for 10 tunnel absorbing loads, 10 tunnel absorbing loads and power combiner self-contained are all the way, the surplus power that transmitter generates is absorbed, the injury of transmitter in itself is reduced, so as to obtain the solid state pulse transmitter of the 445MHz/16kW of safety and stability.
Description
Technical field
The utility model is related to transmitter field, in particular to a kind of microwave transmitter.
Background technology
Transmitter is exactly the device that can launch signal by certain frequency, can be widely applied for TV, wide
It broadcasts, the various civilian or military equipment such as radar.Wherein, solid state transmitter refers to by tens even thousands of a solid-state transmitting moulds
Block forms, can be by multiple microwaves using advanced microwave monolithic integrated circuit (MMIC) and the Microwave Net technology of optimization design
Power device, low-noise receiver etc. are combined into the machine of solid-state transmitting module or solid-state transceiver module.
Key equipment of the transmitter as radar system, performance are directly related to the reliability of entire radar system.But
One kind can possess safe and stable, the reliable, long-life currently not yet, convenient for maintenance feature and reach 445MHz/16kW's
Transmitter.
Utility model content
The purpose of this utility model is to provide a kind of microwave transmitters, can possess safe and stable, reliable, long-lived
Life, convenient for maintenance feature and reaches 445MHz/16kW.
What the embodiment of the utility model was realized in：A kind of microwave transmitter, including excitation cabinet, 16KW work(
Cabinet and output coupling cabinet are put, excitation cabinet, 16KW power amplifiers cabinet and output coupling cabinet are connected in series successively, 16KW power amplifiers
Cabinet includes one point of ten power divider, 10 2KW power amplifier modules, a ten unification power combiners and 10 tunnels and absorbs and bear
It carries, power divider, power amplifier module, power combiner and absorbing load are sequentially connected in series.
In the utility model preferred embodiment, above-mentioned absorbing load 240 include temperature relay and wind turbine, temperature after
Electric appliance is connected with ten unification power combiners, and wind turbine is connected with temperature relay, and there are two wind turbine settings, and the wind turbine is
A part for air cooling system.
In the utility model preferred embodiment, above-mentioned excitation cabinet includes preposition effect switch, the first preposition work(
Imitate device and second preposition effect device, the output terminal of preposition effect switch and first preposition effect device and second preposition effect device
Input terminal connects.
In the utility model preferred embodiment, above-mentioned one point of ten power divider is the power distribution synthesized in the same direction
Device, the peak power of one point of ten power divider is 1000W.
In the utility model preferred embodiment, above-mentioned ten unifications power combiner is the power combing synthesized in the same direction
Device, the peak power of ten unification power combiners is 12KW.
In the utility model preferred embodiment, above-mentioned 2KW power amplifier modules include input Riblet coupler, output three
Db coupler, 1000W power tubes, power amplifier isolator and power amplifier coupler, input Riblet coupler, 1000W power tubes, work(
It puts isolator, output Riblet coupler and power amplifier coupler to be connected in series successively, 1000W power tubes are provided with two, 1000W
It is concatenated between power tube.
In the utility model preferred embodiment, above-mentioned excitation cabinet further includes input switch, input filter, defeated
Enter coupler and output coupler, input filter, input coupler, input switch and preposition effect switch are gone here and there successively
It connects.
In the utility model preferred embodiment, above-mentioned first preposition effect device and second preposition effect device all include three
Grade driving amplifier, three-level driving amplifier are respectively that prime driving amplifier, intergrade driving amplifier and final stage driving are put
Big device, three-level driving amplifier are connected in series successively.
In the utility model preferred embodiment, above-mentioned output coupling cabinet includes output directional coupler, and output is fixed
It is coaxial feed tube coupler to coupler, output directional coupler includes four tunnel coupling ports, and two-way couples for output power Po
Port, in addition two-way is reflection power Pr coupling ports.
In the utility model preferred embodiment, above-mentioned microwave transmitter further includes air cooling system, and air cooling system includes 4
A wind turbine, wind turbine are arranged on the shell of microwave transmitter, and the opposite sides of microwave transmitter shell is each provided with 2 wind turbines.
The advantageous effect of the utility model embodiment is：The utility model is all solid state pulse transmitter, is rationally designed
Encourage the link of cabinet and 16KW power amplifier cabinets, one point of ten power divider, 10 2KW power amplifier modules, a ten unification power
Synthesizer and 10 tunnel absorbing loads distribute the power for making entire transmitter and gain reasonable distribution, power divider, work(rationally
Put plug-in unit and that filters synthesizer distribute the power for making entire transmitter and gain reasonable distribution rationally, 10 tunnel absorbing loads with
All the way, the surplus power that transmitter generates is absorbed for power combiner self-contained, the injury of transmitter in itself is reduced, so as to obtain
Obtain the microwave transmitter of the 445MHz/16kW of safety and stability.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall structure figure of the utility model embodiment；
Fig. 2 is preposition effect device structure chart of the utility model embodiment；
Fig. 3 is the excitation cabinet structure figure of the utility model embodiment；
Fig. 4 is the power amplifier module structure chart of the utility model embodiment.
Icon：100- encourages cabinet；200-16KW power amplifier cabinets；300- output coupling cabinets；400- power distributing cabinets；
500- monitoring cabinets；600- air cooling systems；110- inputs switch；120- driving amplifiers；130- input filters；140- is defeated
Enter coupler；111- radio frequency protection switch；112- inputs switching switch；113- output dip switch；First preposition effects of 121-
Device；Second preposition effect devices of 122-；The preposition effect switch of 123-；124- prime driving amplifiers；The driving of 125- intergrades is put
Big device；126- final stage driving amplifiers；210- power dividers；220- power amplifier modules；230- power combiners；221- inputs three
Db coupler；222- exports Riblet coupler；223-1000W power tubes；224- power amplifier isolators；310- directional couples
Device；240- absorbing loads.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification
It becomes apparent or is understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
It realizes and obtains by specifically noted structure in the specification, claims and attached drawing write.
First embodiment
Fig. 1 is referred to, the present embodiment provides a kind of microwave transmitter, including excitation cabinet 100,16KW power amplifier cabinets
200th, output coupling cabinet 300, power distributing cabinet 400, monitoring cabinet 500 and air cooling system 600.
Microwave transmitter in the present embodiment is using modularized design, convenient for large-scale production；Using plug between each cabinet
Design, is easily installed, debugs, safeguards.
Excitation cabinet 100,16KW power amplifiers cabinet 200, output coupling cabinet 300 are connected in series successively, power distributing cabinet 400
Input terminal of the output terminal respectively with excitation cabinet 100,16KW power amplifiers cabinet 200, output coupling machine is connected, monitoring cabinet 500
Output terminal of the input terminal respectively with excitation cabinet 100,16KW power amplifiers cabinet 200, output coupling machine is connected, monitoring cabinet 500
Output terminal is connected with the input terminal of power distributing cabinet 400.
The operation principle of 445MHz/16kW microwave transmitters is：Radiofrequency signal enters from excitation 100 input terminal of cabinet, penetrates
Frequency signal is by tentatively filtering and being amplified into 16KW power amplifiers cabinet 200, radiofrequency signal decile in 16KW power amplifiers cabinet 200
Into after several roads, corresponding power amplifier module is promoted again respectively to amplify radiofrequency signal, amplified radiofrequency signal is by synthesis respectively
Device carries out power combing, is finally exported from output coupling cabinet 300；Power distributing cabinet 400 is powered for entire transmitter, and
It is responsible for responding the instruction sent on monitoring cabinet 500；Monitoring cabinet 500 is used to be responsible for control and the work of each functional unit
Make the acquisition, processing and monitoring of state, and receive the control with response system and RS422 instructions；Air cooling system 600 is for entire
Transmitter cools down.
Excitation cabinet 100 in 445MHz/16kW microwave transmitters include input switch 110, driving amplifier 120,
Input filter 130 and input coupler 140, the output terminal of input filter 130 connect with the input terminal of input coupler 140
Connect, the output terminal of input coupler 140 with input the input terminal of switch 110 be connected, input switch 110 output terminal and
The input terminal connection of driving amplifier 120.
Encouraging the input filter 130 in cabinet 100, the bandpass filter selects cavity filtering using bandpass filter
Device enables a cavity equivalent into inductance in parallel capacitance, forms a resonance level, to reach filter function, can ensure
It is 2KW that entirely the Insertion Loss of 8KW transmitters is small, power capacity is big and can bear maximum pulse power.
The input switch 110 in cabinet 100 is encouraged to include radio frequency protection switch 111, input switching switch 112 and output
Switching switch 113, radio frequency protection switch 111 are that input terminal is connected with the output terminal of input coupler 140, radio frequency protection switch
111 output terminal and the input terminal of switch connect, and input the output terminal of switching switch 112 and the input of driving amplifier 120
End connection, the output terminal of driving amplifier 120 are connected with the input terminal of output dip switch 113.Input switch 110 has
Transfinite protection, duty cycle of input radio frequency signal amplitude transfinite protection, pulsewidth transfinites protection, overheat protector, output error protection etc.
Function
The driving amplifier 120 in cabinet 100 is encouraged to include first preposition effect device 121, the second preposition 122 and of effect device
Preposition effect switch 123.The input terminal of preposition effect switch 123 is connected with the output terminal of input coupler 140, preposition work(
Input terminal of the output terminal of switch 123 respectively with first preposition 121 and second preposition effect device 122 of effect device is imitated to be connected, the
The output terminal of one preposition 121 and second preposition effect device 122 of effect device is connected with the input terminal of 16KW power amplifiers cabinet 200.
First preposition effect device 121 in driving amplifier 120 is included among the first prime driving amplifier 124, first
Grade 125 and first final stage driving amplifier 126 of driving amplifier.First prime driving amplifier 124, the driving of the first intergrade are put
Big 125 and first final stage driving amplifier 126 of device is connected in series successively.
With first preposition effect device 121, second preposition effect device 122 in driving amplifier 120 drives including the second prime
Dynamic amplifier 124, the second intergrade driving amplifier 125 and the second final stage driving amplifier 126.Second prime driving amplifier
124th, the second intergrade driving amplifier 125 and the second final stage driving amplifier 126 are connected in series successively.
16KW power amplifiers cabinet 200 in 445MHz/16kW microwave transmitters, is inserted including power divider 210, power amplifier
Part 220, power combiner 230 and absorbing load 240, the input terminal of power divider 210 and the output of output dip switch 113
End connection, the output terminal of power divider 210 are connected with the input terminal of power amplifier module 220, the output terminal and work(of power amplifier module 220
The input terminal connection of rate synthesizer 230, the output terminal of power combiner 230 are connected with the input terminal of output coupling cabinet 300, inhale
The input terminal for receiving load 240 is connected with the output terminal of power combiner 230.
Absorbing load 240 in 16KW power amplifiers cabinet 200 is the absorbing load 240 on high-power 50 ohm of ten tunnels, is absorbed negative
It carries 240 and is provided with 10 tunnels, including temperature relay and two 240 wind turbine of absorbing load compositions, wind turbine connects with temperature relay
It connects, there are two wind turbine settings, and the part that the wind turbine is air cooling system, the input terminal and power combing of temperature relay
The output terminal connection of device 230, the input terminal of 240 wind turbine of absorbing load and the output terminal of temperature relay connect, and work as absorbing load
When 240 temperature are higher than threshold temperature, temperature relay conducting, blower fan work prevents that 10 tunnel absorbing load, 240 temperature is excessively high.
Power divider 210 in 16KW power amplifiers cabinet 200 is using one one point ten power dividers 210, by same
The mode of being combined to realizes that one point ten of power divider 210 can bear to be that peak power output is 1000W.
Power amplifier module 220 in 16KW power amplifiers cabinet 200 is using 10 2KW power amplifier modules 220, Redundancy Design, is improved
Equipment task reliability, 2KW power amplifier modules 220 include a 2KW power amplifier module, power amplifier monitoring unit, power amplifier temperature sensor
With power amplifier address code, power amplifier monitoring unit and power amplifier temperature sensor are for 220 overheat protector of power amplifier module and radio frequency instruction, electricity
Source instruction, the function of radio frequency shut-off realize that power amplifier address code is realized for the function that 220 data of power amplifier module upload.
2KW power amplifier modules in power amplifier module 220 include input Riblet coupler 221, output Riblet coupler
222nd, 1000W power tubes 223, power amplifier isolator 224 and power amplifier RF switch.
Input Riblet coupler 221, output Riblet coupler 222,1000W power tubes 223 and power amplifier isolator 224
It is both provided with two groups.
The output terminal of input Riblet coupler 221 is connected with the input terminal of 1000W power tubes 223,1000W power tubes
223 output terminal is connected with the input terminal of power amplifier isolator 224, and the output terminal of power amplifier isolator 224 is coupled with output three decibels
The input terminal connection of device 222.The output terminal of output Riblet coupler 222 is connected with the input terminal of power amplifier isolator 224, work(
The output terminal for putting isolator 224 is connected with the input terminal of power amplifier RF switch.
Power combiner 230 is using the power combiner 230 of one ten unification, is realized by being combined to mode together, ten
The power combiner 230 of unification can bear to be that peak power output is 20KW.
Output coupling cabinet 300 in 445MHz/16kW microwave transmitters, which includes output coupling cabinet 300, to be included：Output
Directional coupler 310, output directional coupler 310 realize that output directional coupler 310 includes four using coaxial feed tube mode
Coupling port, four coupling ports are divided into two groups, and one group of coupling port makes operating power exist for output power Po coupling ports
It is transmitted on assigned direction, another group of coupling port is reflection power Pr coupling ports, defeated in reflection power Pr coupling ports
Go out the difference that performance number is the power in same coupling port when being transmitted in the opposite direction in output power Po coupling ports.
Power distributing cabinet 400 in 445MHz/16kW microwave transmitters includes arrester, energy-storage system, total input switch, electricity
Pressure and delays time to control unit, energy-storage system, total input switch, voltage control unit, delays time to control unit and energy-storage system are successively
Connection, voltage control unit are configured with two sets, and Redundancy Design improves equipment task reliability.
Arrester acts on：When transmitter is in normal system operating voltage, high resistance state is presented in arrester, only micro-
Pacify the electric current of grade by the way that under the action of overvoltage high current, low resistance is presented in arrester, so as to limit arrester both ends
Residual voltage protects overvoltage injury during the high transient state of transmitter apparatus with this, and safety Design ensures operating personnel and equipment peace
Entirely.
Monitoring cabinet 500 in 445MHz/16kW microwave transmitters：Monitoring cabinet 500 is responsible for the control of each functional unit
And acquisition, processing and the monitoring of working condition, and receive the control with response system and RS422 instructions.Transmitter takes concentration
Monitoring management is mainly made of governor circuit, detecting circuit, pulse sampling circuit.The output terminal and impulse sampling of detecting circuit
The input terminal connection of circuit, the output terminal of pulse sampling circuit and the input terminal of governor circuit connect.
The operation principle of monitoring cabinet 500 is output power and reflected power signal by being sent into arteries and veins after detecting circuit detection
It rushes after sample circuit processing to be sent into governor circuit and carry out amplitude and show and breakdown judge, governor circuit is simultaneously to each item number of upload
According to being analyzed and processed, and receive the command operating of touch-screen and external control signal, pulse sampling circuit and detecting circuit, master control electricity
Road matching design makes entire transmitter electromagnetic compatibility, reduces Electromagnetic Launching and electromagnetic susceptibility.
Air cooling system 600 in 445MHz/16kW microwave transmitters includes radiator and temperature measuring equipment, radiator bag
Include the wind turbine of 4 150m3/h air quantity, wherein two it is lower for blowing, two it is upper be exhausting.Wind turbine, which rotates, drives air stream
It is dynamic, air is made to be flowed at core after heat exchange outside system.Temperature measuring equipment is used for measurand transmitter temperature, when temperature is excessively high
When temperature measuring equipment test data is transmitted in mainline control device, by governor circuit send instruction control fan wind prompt drop temperature.Wind
Cooling system 600 is an important component of transmitter, and effect is the heat that heating element is taken away by air cooling system 600
It dissipates, reduces the hot(test)-spot temperature of component, to improve stability, reliability and the environmental suitability of transmitter work.
10 tunnel absorbing loads 240 pass through temperature sensor monitors absorbing load 240 using the high-power 50 Europe load in 10 tunnels
Temperature, when temperature be higher than threshold value when, start air cooling system, temperature be less than threshold value when, air cooling system is automatically closed.
Encouraging the operation principle of cabinet 100 is：Radiofrequency signal is first into input filter 130 and is filtered for the first time
Ripple；Radiofrequency signal enters progress radiofrequency signal coupling in input coupler 140, while and input coupling after first filtering
Monitoring information is transmitted in governor circuit by the detecting circuit that device 140 connects, and governor circuit triggers radio frequency according to monitoring information and protects
Shield switch 111；After radio frequency protection switch 111 is opened, radiofrequency signal enters in driving amplifier 120；Pass through driving amplifier
Preposition effect switch 123 selection radiofrequency signal in 120 enters area：First preposition 121 or the second preposition effect device of effect device
122, then radiofrequency signal three-level amplification is carried out in first preposition 121 or the second preposition effect device 122 of effect device, it is amplified
Radiofrequency signal is output to 16KW power amplifiers cabinet 200 from output dip switch 113.With the detecting circuit that is connected of excitation cabinet 100 and
Corresponding pulse sampling circuit will encourage the state status in 100 course of work of cabinet to be sent into governor circuit, governor circuit pair
Each item data uploaded is analyzed and processed, and receives the command operating of external control signal.
The operation principle of 16KW power amplifiers cabinet 200 is：By encouraging cabinet 100, treated that radiofrequency signal enters one point
Radiofrequency signal is divided into ten equal tunnel radiofrequency signals and respectively enters 10 groups of 2KW by ten power dividers 210, power divider 210
It is amplified in power amplifier module 220, the radiofrequency signal in 2KW power amplifier modules 220 enters by input Riblet coupler 221
Radiofrequency signal amplification is carried out in 500W amplifirers, amplified radiofrequency signal enters power amplifier isolator 224 and keeps amplified signal
Stability, radiofrequency signal, which enters in output Riblet coupler 222, to be exported, and ten unification each road reflection powers of power combiner pass through
Reflector port is respectively fed to 10 tunnel absorbing load, 240,10 tunnel absorbing load 240 mainly by the high-power 50 Europe absorbing load in 10 tunnels
240.The detecting circuit and corresponding pulse sampling circuit connected with 16KW power amplifiers cabinet 200, will be in the 8KW amplifirer courses of work
State status be sent into governor circuit in, governor circuit analyzes and processes each item data of upload, and receives external control signal
Command operating.
In conclusion the utility model is all solid state pulse transmitter, excitation cabinet and 16KW power amplifiers are rationally designed
The link of cabinet, one point of ten power divider, 10 2KW power amplifier modules, ten unification power combiners and a 10 tunnel absorbing loads
Distribute the power for making entire transmitter and gain reasonable distribution rationally, power divider, power amplifier module and filtering synthesizer
Distribute the power for making entire transmitter and gain reasonable distribution rationally, 10 tunnel absorbing loads and power combiner self-contained all the way, will
The surplus power that transmitter generates is absorbed, and the injury of transmitter in itself is reduced, so as to obtain the 445MHz/ of safety and stability
The microwave transmitter of 16kW.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of microwave transmitter, which is characterized in that it includes encouraging cabinet, 16KW power amplifiers cabinet and output coupling cabinet, institute
It states excitation cabinet, the 16KW power amplifiers cabinet and the output coupling cabinet to be connected in series successively, the 16KW power amplifiers cabinet bag
Include one point of ten power divider, 10 2KW power amplifier modules, ten unification power combiners and a 10 tunnel absorbing loads, institute
It states power divider, the power amplifier module, the power combiner and the absorbing load to be sequentially connected in series, the power combiner
Output terminal be connected with the input terminal of the output coupling cabinet；The output coupling cabinet includes output directional coupler, institute
Output directional coupler is stated as coaxial feed tube coupler, the output directional coupler includes four tunnel coupling ports, described in two-way
Coupling port is output power Po coupling ports, and in addition coupling port described in two-way is reflection power Pr coupling ports.
2. microwave transmitter according to claim 1, which is characterized in that the absorbing load includes temperature relay and wind
Machine, the temperature relay are connected with described ten unification power combiners, and the wind turbine is connected with the temperature relay.
3. microwave transmitter according to claim 1, which is characterized in that the excitation cabinet switches including preposition effect
Device, first preposition effect device and second preposition effect device, output terminal and the described first preposition work(of preposition effect switch
Effect device is connected with the input terminal of described second preposition effect device.
4. microwave transmitter according to claim 1, which is characterized in that one point of ten power divider is synthesis in the same direction
Power divider, the peak power of one point of ten power divider is 1000W.
5. microwave transmitter according to claim 1, which is characterized in that the ten unification power combiner is synthesis in the same direction
Power combiner, it is described ten unification power combiner peak powers be 12KW.
6. microwave transmitter according to claim 1, which is characterized in that the 2KW power amplifier modules include input three decibels
Coupler, output Riblet coupler, 1000W power tubes, power amplifier isolator and power amplifier coupler, the input three decibels coupling
Device, the 1000W power tubes, the power amplifier isolator, the output Riblet coupler and the power amplifier coupler are gone here and there successively
Row connection, the 1000W power tubes are provided with two, are concatenated between the 1000W power tubes.
7. microwave transmitter according to claim 3, which is characterized in that it is described excitation cabinet further include input switch,
Input filter, input coupler and output coupler, the input filter, the input coupler, the input switching
Device and preposition effect switch are sequentially connected in series.
8. microwave transmitter according to claim 3, which is characterized in that before first preposition effect device and described second
Putting effect device all includes three-level driving amplifier, and the three-level driving amplifier is respectively prime driving amplifier, intergrade drive
Dynamic amplifier and final stage driving amplifier, the three-level driving amplifier are connected in series successively.
9. microwave transmitter according to claim 1, which is characterized in that the microwave transmitter further includes air cooling system,
The air cooling system includes 4 wind turbines, and the wind turbine is arranged on the shell of the microwave transmitter, and the wind turbine is divided into two groups
And it is separately positioned on the opposite sides of microwave transmitter shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721268268.9U CN207410334U (en) | 2017-09-29 | 2017-09-29 | A kind of microwave transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721268268.9U CN207410334U (en) | 2017-09-29 | 2017-09-29 | A kind of microwave transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410334U true CN207410334U (en) | 2018-05-25 |
Family
ID=62407112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721268268.9U Expired - Fee Related CN207410334U (en) | 2017-09-29 | 2017-09-29 | A kind of microwave transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375176A (en) * | 2018-11-29 | 2019-02-22 | 四川九洲电器集团有限责任公司 | A kind of power amplifier in transmitter module |
| CN113258945A (en) * | 2021-05-13 | 2021-08-13 | 中国科学院近代物理研究所 | Non-equilibrium power synthesis device and method |
| CN115185333A (en) * | 2022-07-12 | 2022-10-14 | 中国科学院近代物理研究所 | Preceding-stage uninterrupted failure redundancy structure of solid-state power source |
-
2017
- 2017-09-29 CN CN201721268268.9U patent/CN207410334U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375176A (en) * | 2018-11-29 | 2019-02-22 | 四川九洲电器集团有限责任公司 | A kind of power amplifier in transmitter module |
| CN109375176B (en) * | 2018-11-29 | 2023-10-27 | 四川九洲电器集团有限责任公司 | Transmitter power amplifier module |
| CN113258945A (en) * | 2021-05-13 | 2021-08-13 | 中国科学院近代物理研究所 | Non-equilibrium power synthesis device and method |
| CN115185333A (en) * | 2022-07-12 | 2022-10-14 | 中国科学院近代物理研究所 | Preceding-stage uninterrupted failure redundancy structure of solid-state power source |
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