CN209120143U - A kind of distributed power amplifier of miniaturization - Google Patents
A kind of distributed power amplifier of miniaturization Download PDFInfo
- Publication number
- CN209120143U CN209120143U CN201822155975.8U CN201822155975U CN209120143U CN 209120143 U CN209120143 U CN 209120143U CN 201822155975 U CN201822155975 U CN 201822155975U CN 209120143 U CN209120143 U CN 209120143U
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- amplifier
- unit
- power
- power amplifier
- small signal
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- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of distributed power amplifiers of miniaturization, it is made of input interface, power amplifier unit, power supply unit, power control unit and coupling unit, the power amplifier unit includes sequentially connected small signal amplifier, driving amplifier and high power amplifier；Said supply unit respectively powers to small signal amplifier, driving amplifier, high power amplifier and power control unit；The control signal of the power control unit is electrically connected with small signal amplifier, driving amplifier and high power amplifier respectively by conducting wire；The coupling unit is microstrip isolator.The distributed power amplifier of the utility model, due to whole using three-level amplification, power control and the design of power supply temperature back-off, therefore this amplifier not only has that gain is big, bandwidth of operation, the advantages of the operation is stable, and the good linearity can be obtained, each performance indicator of this amplifier is all satisfied the requirement of communication system equipment.
Description
Technical field
The utility model relates to a kind of power amplifiers, particularly relate to a kind of ultra wide band power amplification of miniaturization
Device.
Background technique
Ultra wide band and the solid-state power amplifier demand of miniaturization increase sharply in communication system equipment, and solid state power is put
Big device has many advantages, such as that operating voltage is low, size is small, high-efficient, service life is long and high reliability, very extensive to apply
The radio frequencies such as mobile communication, radar, interference, identification, microwave, in millimeter-wave systems.But Modern Communication System is to power amplifier height
Gain, high power, the requirement of high linearity are higher and higher, and distributed power amplifier in the prior art has been unable to satisfy communication
The requirement of system equipment.In addition, there is also inefficient, volume is big, reliability is undesirable for existing distributed power amplifier
The problems such as.
Utility model content
In view of the foregoing, the purpose of the utility model is to provide a kind of distributed power amplifiers of miniaturization, with more
Mending existing distributed power amplifier, there is also the deficiencies that inefficient, volume is big, reliability is undesirable.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of ultra wide band power of miniaturization is put
Big device is made of input interface, power amplifier unit, power supply unit, power control unit and coupling unit, and the power amplifier unit includes successively
Small signal amplifier, driving amplifier and the high power amplifier of connection, small signal amplifier, driving amplifier and high-power
Amplification chip in amplifier is all made of broadband power pipe, and the front end of small signal amplifier and input interface are electrically connected；It is described
It is equipped with the direct current output of multichannel varying level in power supply unit, power supply unit is respectively to small signal amplifier, driving amplifier, big
Power amplifier and the power supply of power control unit；The control signal of the power control unit by conducting wire respectively with small signal amplifier, drive
Dynamic amplifier and high power amplifier are electrically connected；The coupling unit be microstrip isolator, the input terminal of coupling unit with
The output end of high power amplifier is electrically connected.
Preferably, the power control unit uses PTT technology, and inspection is additionally provided between power control unit and small signal amplifier
Wave unit.
Further, the power supply of said supply unit has been all made of temperature back-off circuit.
Further, the output end of the coupling unit is additionally provided with output interface, the output end and output interface of coupling unit
Input terminal be electrically connected.
Compared with prior art, the utility model has the beneficial effects that the distributed power amplifier of the utility model, by
In integrally using three-level amplification, power control and the design of power supply temperature back-off, thus this power amplifier not only have gain it is big,
The advantages of bandwidth of operation, the operation is stable, and the good linearity can be obtained, each performance indicator of this amplifier is all satisfied communication system
The requirement for equipment of uniting.In addition, this amplifier also has high-efficient, small in size, high reliability.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model；
Figure label: 100, input interface；200, power amplifier unit；210, small signal amplifier；211, detection unit；220,
Driving amplifier；230, high power amplifier；300, power supply unit；400, power control unit；500, coupling unit；600, output connects
Mouthful.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1, the distributed power amplifier of the utility model is single by input interface 100, power amplifier unit 200, power supply
Member 300, power control unit 400 and coupling unit 500 form, and the power amplifier unit 200 includes sequentially connected small signal amplifier
210, driving amplifier 220 and high power amplifier 230, small signal amplifier 210, driving amplifier 220 and high-power put
Amplification chip in big device 230 is all made of broadband power pipe, and the front end of small signal amplifier 210 electrically connects with input interface 100
It connects；The direct current output of multichannel varying level is equipped in said supply unit 300, power supply unit 300 is respectively to small signal amplifier
210, driving amplifier 220, high power amplifier 230 and power control unit 400 are powered, and the power supply of power supply unit 300 is all made of
Temperature back-off circuit；The power control unit 400 uses PTT technology, the control signal of power control unit 400 by conducting wire respectively with
Small signal amplifier 210, driving amplifier 220 and high power amplifier 230 are electrically connected, in power control unit 400 and small signal
Detection unit 211 is additionally provided between amplifier 210；The coupling unit 500 be microstrip isolator, coupling unit 500 it is defeated
The output end for entering end and high power amplifier 230 is electrically connected, and is additionally provided with output interface 600 in the output end of coupling unit 500,
The output end of coupling unit 500 and the input terminal of output interface 600 are electrically connected.
In use, the radiofrequency signal of this distributed power amplifier, is delivered to small signal amplifier by input interface 100
After 210 amplifications, it is delivered to after being amplified by driving amplifier 220 and high power amplifier 230, then through coupling unit 500
Output interface 600.Since this amplifier integrally uses three-level amplification, power control and the design of power supply temperature back-off, this function
Rate amplifier not only has the advantages of gain is big, bandwidth of operation, the operation is stable, and can obtain the good linearity, this amplifier
Each performance indicator be all satisfied the requirement of communication system equipment.
It above are only an embodiment of the present invention, be not intended to limit the utility model, it is all in the utility model
Spirit and principle within made any modification equivalent replacement and improvement, should be included in the protection scope of the utility model it
It is interior.
Claims (4)
1. a kind of distributed power amplifier of miniaturization, by input interface, power amplifier unit, power supply unit, power control unit and coupling
Close unit composition, it is characterised in that: the power amplifier unit includes sequentially connected small signal amplifier, driving amplifier and big function
Rate amplifier, the amplification chip in small signal amplifier, driving amplifier and high power amplifier are all made of broadband power pipe,
The front end of small signal amplifier and input interface are electrically connected；Direct current in said supply unit equipped with multichannel varying level is defeated
Out, power supply unit respectively powers to small signal amplifier, driving amplifier, high power amplifier and power control unit；The power control
The control signal of unit is electrically connected with small signal amplifier, driving amplifier and high power amplifier respectively by conducting wire；Institute
Stating coupling unit is microstrip isolator, and the input terminal of coupling unit and the output end of high power amplifier are electrically connected.
2. a kind of distributed power amplifier of miniaturization according to claim 1, it is characterised in that: the power control unit
Using PTT technology, detection unit is additionally provided between power control unit and small signal amplifier.
3. a kind of distributed power amplifier of miniaturization according to claim 1, it is characterised in that: said supply unit
Power supply be all made of temperature back-off circuit.
4. a kind of distributed power amplifier of miniaturization according to claim 1, it is characterised in that: the coupling unit
Output end be additionally provided with output interface, the output end of coupling unit and the input terminal of output interface are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155975.8U CN209120143U (en) | 2018-12-21 | 2018-12-21 | A kind of distributed power amplifier of miniaturization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155975.8U CN209120143U (en) | 2018-12-21 | 2018-12-21 | A kind of distributed power amplifier of miniaturization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120143U true CN209120143U (en) | 2019-07-16 |
Family
ID=67208462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155975.8U Expired - Fee Related CN209120143U (en) | 2018-12-21 | 2018-12-21 | A kind of distributed power amplifier of miniaturization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209120143U (en) |
-
2018
- 2018-12-21 CN CN201822155975.8U patent/CN209120143U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 |