CN111147030A - Ultra-wideband integrated power amplifier - Google Patents
Ultra-wideband integrated power amplifier Download PDFInfo
- Publication number
- CN111147030A CN111147030A CN201811308024.8A CN201811308024A CN111147030A CN 111147030 A CN111147030 A CN 111147030A CN 201811308024 A CN201811308024 A CN 201811308024A CN 111147030 A CN111147030 A CN 111147030A
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- China
- Prior art keywords
- power amplifier
- box body
- circuit
- heat dissipation
- power
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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.)
- Pending
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 41
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 230000003321 amplification Effects 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/18—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of distributed coupling, i.e. distributed amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses an ultra-wideband integrated power amplifier, which comprises a power amplifier box body, a signal amplification unit, a power supply control unit, a coupling unit and a protection control unit, wherein the power amplifier box body is made of a metal aluminum material and is rectangular as a whole, the signal amplification unit, the power supply control unit, the coupling unit and the protection control unit are fixedly arranged in the power amplifier box body, the grounding end of a circuit in each unit is electrically connected with the power amplifier box body, a box body cover plate is arranged above the power amplifier box body, a box body bottom plate with heat dissipation teeth is fixedly arranged below the power amplifier box body, the heat dissipation teeth of the box body bottom plate are positioned outside the power amplifier box body, and a heat dissipation fan is fixedly arranged outside the power amplifier box body. The power amplifier of the invention adopts an integrated design, so that the amplifier has the advantages of good universality and high reliability; because the arrangement of the heat dissipation teeth and the heat dissipation fan on the box body of the power amplifier, the amplifier has a high-efficiency heat dissipation function.
Description
Technical Field
The invention relates to the technical field of electronic communication, in particular to an ultra-wideband integrated power amplifier.
Background
Nowadays, home and abroad integrated communication equipment is developing towards the direction of miniaturization, high power and multi-carrier frequency, and the demand of an ultra-wideband power amplifier in a communication system is rapidly increased, so that higher requirements are provided for the heat dissipation design, the field maintainability and other aspects of the amplifier. In the prior art, the power amplifier has the defects of complex structure, narrow bandwidth, poor anti-electromagnetic interference capability and poor heat dissipation performance of a circuit, and cannot meet the requirements of a communication system.
Disclosure of Invention
The invention aims to provide an ultra-wideband integrated power amplifier, which effectively overcomes the defects of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: an ultra-wideband integrated power amplifier comprises a power amplifier box body, a signal amplification unit, a power supply control unit, a coupling unit and a protection control unit, wherein the power amplifier box body is made of a metal aluminum material and is rectangular as a whole, the signal amplification unit, the power supply control unit, the coupling unit and the protection control unit are fixedly arranged in the power amplifier box body, the grounding end of a circuit in each unit is electrically connected with the power amplifier box body, a box body cover plate is arranged above the power amplifier box body and is fixedly connected with the power amplifier box body through screws, a box body bottom plate with heat dissipation teeth is fixedly arranged below the power amplifier box body, the heat dissipation teeth on the box body bottom plate are parallel heat dissipation fins, a heat dissipation channel is formed on the outer surface of the box body bottom plate, the trend of the heat dissipation channel is consistent with the length direction of the box body bottom plate, and the heat dissipation teeth of the, a heat radiation fan is fixedly arranged outside the box body of the power amplifier; the signal amplification unit comprises an input matching circuit, a front power amplifier circuit, a middle power amplifier circuit and a tail power amplifier circuit, wherein a radio frequency input interface is arranged at the front end of the input matching circuit and fixedly installed on the side wall of the box body of the power amplifier, and the heat radiating surfaces of power amplifier tubes in all stages of amplification circuits are tightly attached to the inner surface of the bottom plate of the box body of the power amplifier; the power supply control unit comprises a power supply circuit and a control circuit, wherein a power amplifier indicator lamp, a power indicator lamp and a mains supply input interface are arranged on the power supply circuit and the control circuit, the power amplifier indicator lamp, the power indicator lamp and the mains supply input interface are fixedly arranged on the side wall of the power amplifier box body, and the power supply circuit and the control circuit are electrically connected with a heat dissipation fan outside the power amplifier box body through a lead; a broadband coupling circuit is arranged in the coupling unit, a radio frequency output interface is arranged at the rear end of the broadband coupling circuit, and the radio frequency output interface is fixedly arranged on the side wall of the box body of the power amplifier; the protection control unit is internally provided with a standing wave judgment circuit and a protection circuit, an inspection interface is arranged in the protection circuit, and an external temperature, current and overdrive detection device is electrically connected with the protection circuit through the inspection interface.
Preferably, the radio frequency input interface, the mains supply input interface and the radio frequency output interface are fixedly mounted on the same side wall of the box body of the power amplifier.
Furthermore, a protective tube is also connected in series in a loop between the mains supply input interface and the power circuit and between the mains supply input interface and the control circuit, and the protective tube and the mains supply input interface are fixedly arranged on the same side wall of the box body of the power amplifier.
Furthermore, the wind direction of the heat radiation fan is consistent with the trend of the heat radiation channel, and the heat radiation fan blows the heat radiation channel from the outside to the inside.
Further, a handle is further arranged on the power amplifier box body and fixedly installed on the wall of the power amplifier box body.
Further, the handle and the cooling fan are fixedly arranged on the same side wall of the box body of the power amplifier, and the height of the handle is smaller than the thickness of the cooling fan.
Compared with the prior art, the invention has the beneficial effects that: the power amplifier of the invention adopts an integrated design, so that the amplifier has the advantages of good universality and high reliability; due to the arrangement of the heat dissipation teeth and the heat dissipation fan on the box body of the power amplifier, the amplifier has a high-efficiency heat dissipation function; due to the arrangement of the radio frequency input interface, the commercial power input interface and the radio frequency output interface, the installation operability and maintainability of the amplifier are high. The output power of the ultra-wideband integrated power amplifier can reach more than 100W, the gain is more than 50dB, the working bandwidth is 1000 MHz-3000 MHz, the ultra-wideband integrated power amplifier has standing wave, overcurrent, over-temperature and over-excitation protection functions and indicator light reporting functions, and the performance indexes of the ultra-wideband integrated power amplifier meet the requirements of communication system equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present invention;
reference numbers in the figures: 10. a power amplifier box body; 11. a box body cover plate; 12. a box body bottom plate; 13. a heat radiation fan; 14. a handle; 20. a signal amplification unit; 21. an input matching circuit; 22. a front power amplifier circuit; 23. a middle power amplifier circuit; 24. a final power amplifier circuit; 25. a radio frequency input interface; 30. a power supply control unit; 31. a power supply circuit and a control circuit; 32. a power amplifier indicator light; 33. a power indicator light; 34. a mains supply input interface; 35. a fuse tube; 40. a coupling unit; 41. a broadband coupling circuit; 42. a radio frequency output interface; 50. a protection control unit; 51. a standing wave judging circuit; 52. and a protection circuit.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 to 3, the power amplifier of the present invention includes a power amplifier box 10, a signal amplification unit 20, a power control unit 30, a coupling unit 40, and a protection control unit 50, wherein the power amplifier box 10 is made of a metal aluminum material, and is rectangular as a whole, the signal amplification unit 20, the power control unit 30, the coupling unit 40, and the protection control unit 50 are fixedly installed in the power amplifier box 10, ground terminals of circuits in each unit are electrically connected to the power amplifier box 10, a box cover plate 11 is disposed above the power amplifier box 10, the box cover plate 11 is fixedly connected to the power amplifier box 10 by screws, a box bottom plate 12 with heat dissipation teeth is fixedly disposed below the power amplifier box 10, the heat dissipation teeth on the box bottom plate 12 are parallel heat dissipation fins, and a heat dissipation channel is formed on an outer surface of the box bottom plate 12, and a direction of the heat dissipation channel is consistent with a length direction of the box bottom plate 12, the heat dissipation teeth of the box body bottom plate 12 are positioned outside the power amplifier box body 10, and a heat dissipation fan 13 is fixedly arranged outside the power amplifier box body 10; the signal amplification unit 20 comprises an input matching circuit 21, a front power amplifier circuit 22, a middle power amplifier circuit 23 and a rear power amplifier circuit 24, wherein a radio frequency input interface 25 is arranged at the front end of the input matching circuit 21, the radio frequency input interface 25 is fixedly arranged on the side wall of the power amplifier box body 10, and the heat radiating surfaces of power amplifier tubes in all stages of amplification circuits are tightly attached to the inner surface of the box body bottom plate 12 of the power amplifier box body 10; the power supply control unit 30 comprises a power supply circuit and a control circuit 31, a power amplifier indicator lamp 32, a power indicator lamp 33 and a commercial power input interface 34 are arranged on the power supply circuit and the control circuit 31, the power amplifier indicator lamp 32, the power indicator lamp 33 and the commercial power input interface 34 are fixedly arranged on the side wall of the power amplifier box body 10, and the power supply circuit and the control circuit 31 are electrically connected with a heat dissipation fan 13 outside the power amplifier box body 10 through a lead; a broadband coupling circuit 41 is arranged in the coupling unit 40, a radio frequency output interface 42 is arranged at the rear end of the broadband coupling circuit 41, and the radio frequency output interface 42 is fixedly installed on the side wall of the power amplifier box body 10; the protection control unit 50 is provided with a standing wave judgment circuit 51 and a protection circuit 52, the protection circuit 52 is provided with an inspection interface, and an external temperature, current and overdrive detection device is electrically connected with the protection circuit 52 through the inspection interface. The radio frequency input interface 25, the commercial power input interface 34 and the radio frequency output interface 42 are fixedly mounted on the same side wall of the power amplifier box body 10. A fuse tube 35 is also connected in series in a loop between the commercial power input interface 34 and the power circuit and the control circuit 31, and the fuse tube 35 and the commercial power input interface 34 are fixedly installed on the same side wall of the power amplifier box body 10. The wind direction of the heat dissipation fan 13 is consistent with the trend of the heat dissipation channel, and the heat dissipation channel blows outwards into the heat dissipation channel. The power amplifier box body 10 is further provided with a handle 14, and the handle 14 is fixedly installed on the wall of the power amplifier box body 10. The handle 14 and the heat dissipation fan 13 are fixedly installed on the same side wall of the power amplifier box body 10, and the height of the handle 14 is smaller than the thickness of the heat dissipation fan 13.
During specific manufacturing, the signal amplification unit 20, the power supply control unit 30, the coupling unit 40 and the protection control unit 50 of the amplifier are installed in a power amplifier box body 10 with the size of 180 × 90 × 22mm, the grounding ends of circuits in each unit are electrically connected with the power amplifier box body 10, the heat dissipation fan 13, the radio frequency input interface 25, the radio frequency output interface 42, the power amplifier indicator lamp 32, the power supply indicator lamp 33 and the mains supply input interface 34 are arranged on two side end faces of the power amplifier box body, and the handle 14 and the protective tube 35 are arranged on the two side end faces of the power amplifier box body to assemble the amplifier. When the power amplifier is used, the switching signal of the power amplifier is at high and low levels, the switching signal is at high level (3.3V) to enable the signal amplification unit 20 of the amplifier to work, the input signal of the front power amplifier circuit 22 is amplified by an MMIC chip with 1dB compression point and 0.1W of output power, a signal of 19dBm is output to push the second-stage power tube of the middle power amplifier circuit 23, the output power can reach 32dBm, then the last power amplifier circuit 24 is pushed, and the power of 110W is output, which is larger than the index requirement of 100W. And a certain power margin is provided, so that the requirement of the power amplifier on the output power within the full temperature range can be ensured.
Claims (6)
1. The utility model provides a power amplifier of ultra wide band integration, includes power amplifier box body, signal amplification unit, power control unit, coupling unit and protection control unit, its characterized in that: the power amplifier box body is made of a metal aluminum material and is rectangular as a whole, a signal amplification unit, a power supply control unit, a coupling unit and a protection control unit are fixedly installed in the power amplifier box body, the grounding end of a circuit in each unit is electrically connected with the power amplifier box body, a box body cover plate is arranged above the power amplifier box body and fixedly connected with the power amplifier box body through screws, a box body bottom plate with radiating teeth is fixedly arranged below the power amplifier box body, the radiating teeth on the box body bottom plate are parallel radiating fins, a radiating channel is formed on the outer surface of the box body bottom plate, the direction of the radiating channel is consistent with the length direction of the box body bottom plate, the radiating teeth of the box body bottom plate are positioned outside the power amplifier box body, and a radiating fan is fixedly arranged outside the power amplifier box; the signal amplification unit comprises an input matching circuit, a front power amplifier circuit, a middle power amplifier circuit and a tail power amplifier circuit, wherein a radio frequency input interface is arranged at the front end of the input matching circuit and fixedly installed on the side wall of the box body of the power amplifier, and the heat radiating surfaces of power amplifier tubes in all stages of amplification circuits are tightly attached to the inner surface of the bottom plate of the box body of the power amplifier; the power supply control unit comprises a power supply circuit and a control circuit, wherein a power amplifier indicator lamp, a power indicator lamp and a mains supply input interface are arranged on the power supply circuit and the control circuit, the power amplifier indicator lamp, the power indicator lamp and the mains supply input interface are fixedly arranged on the side wall of the power amplifier box body, and the power supply circuit and the control circuit are electrically connected with a heat dissipation fan outside the power amplifier box body through a lead; a broadband coupling circuit is arranged in the coupling unit, a radio frequency output interface is arranged at the rear end of the broadband coupling circuit, and the radio frequency output interface is fixedly arranged on the side wall of the box body of the power amplifier; the protection control unit is internally provided with a standing wave judgment circuit and a protection circuit, an inspection interface is arranged in the protection circuit, and an external temperature, current and overdrive detection device is electrically connected with the protection circuit through the inspection interface.
2. The ultra-wideband integrated power amplifier of claim 1, wherein: the radio frequency input interface, the commercial power input interface and the radio frequency output interface are fixedly arranged on the same side wall of the box body of the power amplifier.
3. The ultra-wideband integrated power amplifier of claim 1 or 2, wherein: and a protective tube is also connected in series in a loop between the mains supply input interface and the power circuit and between the mains supply input interface and the control circuit, and the protective tube and the mains supply input interface are fixedly arranged on the same side wall of the box body of the power amplifier.
4. The ultra-wideband integrated power amplifier of claim 1, wherein: the wind direction of the heat dissipation fan is consistent with the trend of the heat dissipation channel, and the heat dissipation fan blows the heat dissipation channel outwards into the heat dissipation channel.
5. The ultra-wideband integrated power amplifier of claim 1, wherein: the power amplifier box body is further provided with a lifting handle, and the lifting handle is fixedly installed on the wall of the power amplifier box body.
6. The ultra-wideband integrated power amplifier of claim 5, wherein: the lifting handle and the heat dissipation fan are fixedly arranged on the same side wall of the box body of the power amplifier, and the height of the lifting handle is smaller than the thickness of the heat dissipation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308024.8A CN111147030A (en) | 2018-11-05 | 2018-11-05 | Ultra-wideband integrated power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308024.8A CN111147030A (en) | 2018-11-05 | 2018-11-05 | Ultra-wideband integrated power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111147030A true CN111147030A (en) | 2020-05-12 |
Family
ID=70515203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811308024.8A Pending CN111147030A (en) | 2018-11-05 | 2018-11-05 | Ultra-wideband integrated power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111147030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112311336A (en) * | 2020-10-29 | 2021-02-02 | 中国人民解放军火箭军工程大学 | Ultra-wideband power amplifier special for communication jammer |
-
2018
- 2018-11-05 CN CN201811308024.8A patent/CN111147030A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112311336A (en) * | 2020-10-29 | 2021-02-02 | 中国人民解放军火箭军工程大学 | Ultra-wideband power amplifier special for communication jammer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |