CN207368979U - New type power amplifier - Google Patents
New type power amplifier Download PDFInfo
- Publication number
- CN207368979U CN207368979U CN201721339261.1U CN201721339261U CN207368979U CN 207368979 U CN207368979 U CN 207368979U CN 201721339261 U CN201721339261 U CN 201721339261U CN 207368979 U CN207368979 U CN 207368979U
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- China
- Prior art keywords
- circuit board
- power amplifier
- cavity
- radio frequency
- transition circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007704 transition Effects 0.000 claims abstract description 42
- 230000003321 amplification Effects 0.000 claims description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 28
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Amplifiers (AREA)
Abstract
The utility model discloses a kind of New type power amplifier, including cavity (1), protection circuit plates (4), input transition circuit board (3), output transition circuit plate (6) and radio frequency amplifying circuit plate (8)；Wherein, cavity (1) top surface portion is recessed inwardly formed with the groove for placing the protection circuit plates (4), the input transition circuit board (3), the output transition circuit plate (6) and the radio frequency amplifying circuit plate (8) respectively; also, the side of the cavity (1) is equipped with waveguide installing port and connector installing port.The New type power amplifier disclosure satisfy that airborne circumstance requirement, while have the advantages that cost is low, reliability is high, maintainability is good.
Description
Technical Field
The utility model relates to a power amplifier field specifically relates to a novel power amplifier.
Background
The dual-mode traveling wave tube component is mainly installed on an airborne environment radar transmitter and is a core component of an airborne radar. The power amplifier is an important part forming the dual-mode traveling wave tube assembly, and the currently used power amplifier adopts a separation device technology, so that the manufacturing cost is high, the price is high, and the defects of difficult maintenance, poor reliability and the like exist.
In order to improve the working reliability of the dual-mode traveling wave tube, the stable amplitude amplification output of the microwave signal is stably obtained, and the function of adjusting the output power is realized. A new power amplifier is urgently needed, and the power amplifier is required to meet the use requirements of an airborne environment, namely, the requirements of acceleration, vibration resistance, impact resistance, mold resistance, humidity and heat resistance, salt mist resistance, low air pressure, temperature impact and the like, and also has the requirement of stable and normal operation in a wider temperature range (-45 ℃ to +70 ℃).
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel power amplifier, this novel power amplifier can satisfy machine year environment operation requirement, has simultaneously with low costs, the reliability is high, the good advantage of maintainability.
In order to achieve the above object, the present invention provides a novel power amplifier, which comprises a cavity, a protection circuit board, an input transition circuit board, an output transition circuit board and a radio frequency amplification circuit board; wherein,
the top surface part of the cavity is inwards sunken to form grooves for placing the protection circuit board, the input transition circuit board, the output transition circuit board and the radio frequency amplification circuit board respectively, and the side surface of the cavity is provided with a waveguide mounting port and a connector mounting port.
Preferably, the novel power amplifier further comprises a first baffle and a second baffle, and the first baffle and the second baffle are respectively arranged at two ends of the radio frequency amplification circuit board.
Preferably, the first baffle and the second baffle are screwed to the chamber by screws.
Preferably, the novel power amplifier further comprises a first cover plate and a second cover plate, wherein the first cover plate is covered on the radio frequency amplification circuit board, and the second cover plate is located above the first cover plate and covers the cavity.
Preferably, the first cover plate and the second cover plate are screwed to the cavity by screws.
Preferably, the novel power amplifier further comprises a first pressing block and a second pressing block, wherein the first pressing block is pressed on the output transition circuit board, and the second pressing block is pressed on the input transition circuit board.
Preferably, the first pressing block and the second pressing block are fixed on the cavity through screw threads.
Preferably, the input transition circuit board, the output transition circuit board and the radio frequency amplification circuit board are soldered to the cavity by solder paste.
According to the technical scheme, the utility model provides a cavity design has the recess of four different degree of depth, is used for placing protection circuit board, radio frequency amplification circuit board, input transition circuit board, output transition circuit board respectively to, cavity side design has waveguide installing port and connector installing port. The first baffle and the second baffle are arranged at two ends of the radio frequency amplification circuit board, the first cover plate is arranged above the radio frequency amplification circuit board, so that the amplification circuit can be protected, and finally the second cover plate is arranged on the cavity. Because the radio frequency amplification circuit board, the input transition circuit board and the output transition circuit board need to be grounded, the radio frequency amplification circuit board, the input transition circuit board and the output transition circuit board are connected in a soldering mode of soldering paste and the cavity. The circuit protection board, the first baffle, the second baffle, the first briquetting, the second briquetting, the first apron, the second apron all adopt the screw fixation mode, have simplified assembly process like this, and the power amplifier who obtains satisfies following technical requirement: 1. the working frequency is as follows: 8.8 GHz-9.4 GHz; 2. input power: 7.5-32.5 mW; output power: not less than 30.5 dBm; 3. stability: less than or equal to +/-0.6 dB; flatness degree: less than or equal to +/-0.5 dB; 4. phase noise: less than or equal to-100 dBc/Hz; fm is 1 KHz; 5. stray suppression: less than or equal to-70 dBc; 6. inputting a power supply: + 27V; 7. input current: less than or equal to 500 mA; 8. working temperature: -45 ℃ to +70 ℃; 9. storage temperature: minus 55 ℃ to plus 85 ℃. So adopted good stability design and integrated circuit's design, applied high stable, the high reliable integrated chip interconnection technique, satisfied machine-carried environment operation requirement, realized low cost, high reliability and good maintainability simultaneously.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a novel power amplifier according to an embodiment of the present invention;
fig. 2 is a top view of a cavity in a novel power amplifier in one embodiment provided in accordance with the present invention;
fig. 3 is a side view of a cavity in a novel power amplifier in one embodiment provided in accordance with the present invention;
fig. 4 is a schematic structural diagram of a second cover plate in the novel power amplifier according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an input transition circuit board in a novel power amplifier according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a protection circuit board in a novel power amplifier according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first cover plate in the novel power amplifier according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a first pressure block in the novel power amplifier according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an output transition circuit board in a novel power amplifier according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a first baffle plate in the novel power amplifier according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a radio frequency amplification circuit board in a novel power amplifier according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a second baffle plate in the novel power amplifier according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a second block of the novel power amplifier according to an embodiment of the present invention;
fig. 14 is a schematic circuit diagram of a novel power amplifier according to an embodiment of the present invention.
Description of the reference numerals
1-Cavity 2-second cover plate
3-input transition circuit board 4-protective circuit board
5-first pressing block 6-output transition circuit board
7-first baffle 8-radio frequency amplification circuit board
9-second baffle 10-second press block
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, inner, outer" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1-14, the present invention provides a novel power amplifier, which includes a cavity 1, a protection circuit board 4, an input transition circuit board 3, an output transition circuit board 6 and a radio frequency amplification circuit board 8; wherein,
the top surface part of the cavity 1 is inwards sunken to form grooves for placing a protection circuit board 4, an input transition circuit board 3, an output transition circuit board 6 and a radio frequency amplification circuit board 8 respectively, and the side surface of the cavity 1 is provided with a waveguide mounting port and a connector mounting port.
The novel power amplifier further comprises a first baffle 7 and a second baffle 9, wherein the first baffle 7 and the second baffle 9 are respectively arranged at two ends of the radio frequency amplification circuit board 8.
The first baffle 7 and the second baffle 9 are screwed to the chamber 1 by screws.
The novel power amplifier further comprises a first cover plate and a second cover plate 2, wherein the first cover plate is covered above the radio frequency amplification circuit board 8, and the second cover plate 2 is located above the first cover plate and covers the cavity 1.
The first and second cover plates 2 are screw-fastened to the chamber 1 by screws.
The novel power amplifier further comprises a first pressing block 5 and a second pressing block 10, wherein the first pressing block 5 is arranged on the output transition circuit board 6 in a pressing mode, and the second pressing block 10 is arranged on the input transition circuit board 3 in a pressing mode.
The first pressing block 5 and the second pressing block 10 are fixed to the chamber 1 by screws.
The input transition circuit board 3, the output transition circuit board 6 and the radio frequency amplification circuit board 8 are soldered to the cavity 1 by solder paste.
Through the technical scheme, the cavity 1 is designed into four grooves with different depths, the grooves are used for placing the protection circuit board 4, the radio frequency amplification circuit board 8, the input transition circuit board 3 and the output transition circuit board 6 respectively, and the side surface of the cavity 1 is designed with a waveguide mounting port and a connector mounting port. A first baffle 7 and a second baffle 9 are arranged at two ends of a radio frequency amplification circuit board 8, a first cover plate is arranged above the first baffle 7, so that the amplification circuit can be protected, and finally a second cover plate 2 is arranged on a cavity 1. Because the radio frequency amplification circuit board 8, the input transition circuit board 3 and the output transition circuit board 6 need to be grounded, the connection with the cavity 1 is realized by adopting a soldering paste welding mode. The circuit protection board, the first baffle 7, the second baffle 9, the first briquetting 5, the second briquetting 10, the first apron, the second apron 2 all adopt the screw fixation mode, have simplified assembly process like this, and the power amplifier who obtains satisfies following technical requirement: 1. the working frequency is as follows: 8.8 GHz-9.4 GHz; 2. input power: 7.5-32.5 mW; output power: not less than 30.5 dBm; 3. stability: less than or equal to +/-0.6 dB; flatness degree: less than or equal to +/-0.5 dB; 4. phase noise: less than or equal to-100 dBc/Hz; fm is 1 KHz; 5. stray suppression: less than or equal to-70 dBc; 6. inputting a power supply: + 27V; 7. input current: less than or equal to 500 mA; 8. working temperature: -45 ℃ to +70 ℃; 9. storage temperature: minus 55 ℃ to plus 85 ℃. So adopted good stability design and integrated circuit's design, applied high stable, the high reliable integrated chip interconnection technique, satisfied machine-carried environment operation requirement, realized low cost, high reliability and good maintainability simultaneously.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. A novel power amplifier is characterized by comprising a cavity (1), a protection circuit board (4), an input transition circuit board (3), an output transition circuit board (6) and a radio frequency amplification circuit board (8); wherein,
the top surface part of the cavity (1) is inwards sunken to form grooves for respectively placing the protection circuit board (4), the input transition circuit board (3), the output transition circuit board (6) and the radio frequency amplification circuit board (8), and a waveguide mounting port and a connector mounting port are arranged on the side surface of the cavity (1).
2. The novel power amplifier according to claim 1, further comprising a first baffle (7) and a second baffle (9), wherein the first baffle (7) and the second baffle (9) are respectively disposed at two ends of the radio frequency amplification circuit board (8).
3. The new power amplifier according to claim 2, characterized in that the first (7) and second (9) baffles are screwed to the chamber (1) by means of screws.
4. The novel power amplifier according to claim 1, further comprising a first cover plate and a second cover plate (2), wherein the first cover plate is covered over the radio frequency amplification circuit board (8), and the second cover plate (2) is located over the first cover plate and covered over the cavity (1).
5. The new power amplifier according to claim 4, characterized in that the first and second cover plates (2) are fixed to the cavity (1) by means of screw threads.
6. The novel power amplifier according to claim 1, further comprising a first (5) and a second (10) voltage block, wherein the first voltage block (5) is pressed on the output transition circuit board (6) and the second voltage block (10) is pressed on the input transition circuit board (3).
7. The new power amplifier according to claim 6, characterized in that the first and second pressure pieces (5, 10) are fixed to the cavity (1) by means of screw threads.
8. The new power amplifier according to claim 1, characterized in that the input transition circuit board (3), the output transition circuit board (6) and the radio frequency amplification circuit board (8) are soldered onto the cavity (1) by means of solder paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339261.1U CN207368979U (en) | 2017-10-18 | 2017-10-18 | New type power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339261.1U CN207368979U (en) | 2017-10-18 | 2017-10-18 | New type power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368979U true CN207368979U (en) | 2018-05-15 |
Family
ID=62419427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721339261.1U Expired - Fee Related CN207368979U (en) | 2017-10-18 | 2017-10-18 | New type power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368979U (en) |
-
2017
- 2017-10-18 CN CN201721339261.1U patent/CN207368979U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |