CN105939150A - Linear microwave power amplifier - Google Patents
Linear microwave power amplifier Download PDFInfo
- Publication number
- CN105939150A CN105939150A CN201610233997.4A CN201610233997A CN105939150A CN 105939150 A CN105939150 A CN 105939150A CN 201610233997 A CN201610233997 A CN 201610233997A CN 105939150 A CN105939150 A CN 105939150A
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- CN
- China
- Prior art keywords
- circuit
- power
- power amplification
- input
- housing
- Prior art date
- 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
Links
- 230000003321 amplification Effects 0.000 claims abstract description 55
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a linear microwave power amplifier comprising a shell, wherein an input interface is formed in one side of the shell, an output interface is formed in the other side of the shell, the input interface is separately connected with a first switching circuit and an input power detection circuit, both of the first switching circuit and the input power detection circuit are arranged in the shell, a first power amplifier circuit, a second power amplifier circuit and a third power amplifier circuit are sequentially arranged at one side of the first switching circuit away from the input interface, a second switching circuit and a control circuit are sequentially arranged at one side of the input power detection circuit away from the input interface, and an output power detection circuit is arranged at the lower side of the control circuit. The linear microwave power amplifier disclosed by the invention can detect the input power and the output power so as to accurately adjust the amplification range of the power, and is simple in structure, convenient to use and low in cost.
Description
Technical field
The present invention relates to power amplifier techniques field, particularly relate to a kind of Linear microwave power amplifier.
Background technology
Microwave power amplifier is a kind of device for being amplified microwave signal, along with the progress of science and technology, people
Microwave power amplifier has been had higher requirement.
Enlargement range scarcely can be adjusted by existing microwave power amplifier, and can not be the most real-time
Detection input power and output so that adjust amplitude inaccuracy, and when amplifier breaks down, can not send out in time
Existing, more can not provide protection to it.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of linear microwave power proposed is put
Big device.
To achieve these goals, present invention employs following technical scheme:
A kind of Linear microwave power amplifier, including housing, the side of described housing is provided with input interface, and the opposite side of housing
Being provided with output interface, described input interface is connected to the first on-off circuit and input power testing circuit, and described first opens
Close circuit and input power testing circuit to be in housing, and the first on-off circuit is sequentially provided with the away from the side of input interface
One power amplification circuit, the second power amplification circuit and the 3rd power amplification circuit, described input power testing circuit is away from defeated
The side of incoming interface is sequentially provided with second switch circuit and control circuit, and the lower section of described control circuit is provided with output detection
Circuit, and control circuit respectively with the first on-off circuit, input power testing circuit, second switch circuit and output detect
Circuit connects, and described ouput power detection circuit is connected with output interface, and described output interface and the 3rd power amplification circuit are even
Connecing, described 3rd power amplification circuit is connected with the first on-off circuit and second switch circuit respectively, described first on-off circuit
It is connected with the first power amplification circuit and the second power amplification circuit respectively with second switch circuit.
Preferably, described first power amplification circuit, the second power amplification circuit, the 3rd power amplification circuit, second open
Close circuit, control circuit and ouput power detection circuit to be respectively positioned in housing.
Preferably, described first on-off circuit is positioned at the housing side near input interface, and the 3rd power amplification circuit
It is respectively positioned on the housing side near output interface with ouput power detection circuit.
Preferably, in described housing, it is provided with wireless transceiver circuit, and wireless transceiver circuit is bi-directionally connected with control circuit.
In the present invention, this Linear microwave power amplifier by the first power amplification circuit, the second power amplification circuit and
3rd power amplification circuit can be opened by the first on-off circuit and first respectively or combine and be amplified microwave signal
Close circuit can the amplitude of power amplification be adjusted, can by input power testing circuit and ouput power detection circuit
Respectively input power and output are detected so that the adjustment of enlargement range is more accurate, and can find different in time
Reason condition, input power and output can be detected by the present invention, thus adjust power amplification amplitude accurately
Whole, simple in construction, easy to use, low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Linear microwave power amplifier that the present invention proposes.
In figure: 1 housing, 2 input interfaces, 3 first on-off circuits, 4 input power testing circuits, 5 first power amplification electricity
Road, 6 second power amplification circuits, 7 the 3rd power amplification circuits, 8 second switch circuit, 9 control circuits, 10 output detections
Circuit, 11 output interfaces.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
With reference to Fig. 1, a kind of Linear microwave power amplifier, including housing 1, the side of housing 1 is provided with input interface 2, and
The opposite side of housing 1 is provided with output interface 11, and input interface 2 is connected to the first on-off circuit 3 and input power detection electricity
Road 4, the first on-off circuit 3 and input power testing circuit 4 are in housing 1, and the first on-off circuit 3 is away from input interface 2
Side be sequentially provided with the first power amplification circuit the 5, second power amplification circuit 6 and the 3rd power amplification circuit 7, input power
Testing circuit 4 is sequentially provided with second switch circuit 8 and control circuit 9, the lower section of control circuit 9 away from the side of input interface 2
Be provided with ouput power detection circuit 10, and control circuit 9 respectively with the first on-off circuit 3, input power testing circuit 4, second
On-off circuit 8 and ouput power detection circuit 10 connect, and ouput power detection circuit 10 is connected with output interface 11, output interface
11 are connected with the 3rd power amplification circuit 7, the 3rd power amplification circuit 7 respectively with the first on-off circuit 3 and second switch circuit 8
Connecting, the first on-off circuit 3 and second switch circuit 8 connect with the first power amplification circuit 5 and the second power amplification circuit 6 respectively
Connecing, this Linear microwave power amplifier passes through the first power amplification circuit the 5, second power amplification circuit 6 and the 3rd power amplification
Circuit 7 can respectively or combine and be amplified microwave signal, by the first on-off circuit 3 and the first on-off circuit 8 energy
Enough amplitudes to power amplification are adjusted, and can be distinguished by input power testing circuit 4 and ouput power detection circuit 10
Input power and output are detected so that the adjustment of enlargement range is more accurate, and the feelings that can note abnormalities in time
Condition, input power and output can be detected by the present invention, thus are adjusted power amplification amplitude accurately, knot
Structure is simple, easy to use, low cost.
In the present invention, first power amplification circuit the 5, second power amplification circuit the 6, the 3rd power amplification circuit 7, second open
Closing circuit 8, control circuit 9 and ouput power detection circuit 10 to be respectively positioned in housing 1, it is close that the first on-off circuit 3 is positioned at housing 1
The side of input interface 2, and the 3rd power amplification circuit 7 and ouput power detection circuit 10 be respectively positioned on housing 1 and connect near output
The side of mouth 11, is provided with wireless transceiver circuit, and wireless transceiver circuit is bi-directionally connected with control circuit in housing 1, this is the most micro-
Power Amplifier can be divided by first power amplification circuit the 5, second power amplification circuit 6 and the 3rd power amplification circuit 7
Not or combine microwave signal is amplified, can be to power amplification by the first on-off circuit 3 and the first on-off circuit 8
Amplitude be adjusted, by input power testing circuit 4 and ouput power detection circuit 10 can respectively to input power and
Output detects so that the adjustment of enlargement range is more accurate, and can unusual circumstance in time, the present invention can
Input power and output are detected, thus accurately power amplification amplitude is adjusted, simple in construction, user
Just, low cost.
In the present invention, control circuit 9 controls the Guan Bi situation of the first on-off circuit 3 and second switch circuit 8, thus to
One power amplification circuit the 5, second power amplification circuit 6 and the 3rd power amplification circuit 7 carry out permutation and combination, reach to adjust power
The purpose of enlargement range, input power testing circuit 4 and ouput power detection circuit 10 are respectively to input power and output
Detecting, detection data transmission to control circuit 9, power amplification amplitude is accurately carried out by control circuit 9 according to detection data
Adjust.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (4)
1. a Linear microwave power amplifier, including housing (1), it is characterised in that the side of described housing (1) is provided with input
Interface (2), and the opposite side of housing (1) is provided with output interface (11), described input interface (2) is connected to the first switch electricity
Road (3) and input power testing circuit (4), described first on-off circuit (3) and input power testing circuit (4) are housing
(1) in, and the first on-off circuit (3) away from the side of input interface (2) be sequentially provided with the first power amplification circuit (5), second
Power amplification circuit (6) and the 3rd power amplification circuit (7), described input power testing circuit (4) is away from input interface (2)
Side is sequentially provided with second switch circuit (8) and control circuit (9), and the lower section of described control circuit (9) is provided with output inspection
Slowdown monitoring circuit (10), and control circuit (9) respectively with the first on-off circuit (3), input power testing circuit (4), second switch electricity
Road (8) and ouput power detection circuit (10) connect, and described ouput power detection circuit (10) is connected with output interface (11), institute
Stating output interface (11) to be connected with the 3rd power amplification circuit (7), described 3rd power amplification circuit (7) switchs with first respectively
Circuit (3) and second switch circuit (8) connect, described first on-off circuit (3) and second switch circuit (8) respectively with the first merit
Rate amplifying circuit (5) and the second power amplification circuit (6) connect.
A kind of Linear microwave power amplifier the most according to claim 1, it is characterised in that described first power amplification electricity
Road (5), the second power amplification circuit (6), the 3rd power amplification circuit (7), second switch circuit (8), control circuit (9) and defeated
Go out power-sensing circuit (10) to be respectively positioned in housing (1).
A kind of Linear microwave power amplifier the most according to claim 1, it is characterised in that described first on-off circuit
(3) housing (1) side near input interface (2), and the 3rd power amplification circuit (7) and ouput power detection circuit it are positioned at
(10) housing (1) side near output interface (11) it is respectively positioned on.
A kind of Linear microwave power amplifier the most according to claim 1, it is characterised in that described housing is provided with in (1)
Wireless transceiver circuit, and wireless transceiver circuit is bi-directionally connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610233997.4A CN105939150A (en) | 2016-04-16 | 2016-04-16 | Linear microwave power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610233997.4A CN105939150A (en) | 2016-04-16 | 2016-04-16 | Linear microwave power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105939150A true CN105939150A (en) | 2016-09-14 |
Family
ID=57152026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610233997.4A Pending CN105939150A (en) | 2016-04-16 | 2016-04-16 | Linear microwave power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105939150A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101770A (en) * | 1993-07-29 | 1995-04-19 | 日本电气株式会社 | Ultrashort-wave transceiver for microwaves or higher frequency electromagnetic waves |
| CN1269066A (en) * | 1996-12-09 | 2000-10-04 | 夸尔柯姆股份有限公司 | Efficient parallel-stage power amplifier |
| EP1126599A3 (en) * | 2000-02-18 | 2007-01-24 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control method and apparatus, and radio communications apparatus having automatic gain control function |
| CN102790595A (en) * | 2011-05-20 | 2012-11-21 | 杭州中科微电子有限公司 | Single ended differential gain amplifier with configurable radio frequency broadband gain |
| CN104868858A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplification device with adjustable attenuation amplitude |
| CN104868857A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplifying device |
| CN104868859A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Adjustable microwave power amplifier |
-
2016
- 2016-04-16 CN CN201610233997.4A patent/CN105939150A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101770A (en) * | 1993-07-29 | 1995-04-19 | 日本电气株式会社 | Ultrashort-wave transceiver for microwaves or higher frequency electromagnetic waves |
| CN1269066A (en) * | 1996-12-09 | 2000-10-04 | 夸尔柯姆股份有限公司 | Efficient parallel-stage power amplifier |
| EP1126599A3 (en) * | 2000-02-18 | 2007-01-24 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control method and apparatus, and radio communications apparatus having automatic gain control function |
| CN102790595A (en) * | 2011-05-20 | 2012-11-21 | 杭州中科微电子有限公司 | Single ended differential gain amplifier with configurable radio frequency broadband gain |
| CN104868858A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplification device with adjustable attenuation amplitude |
| CN104868857A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Microwave power amplifying device |
| CN104868859A (en) * | 2015-05-15 | 2015-08-26 | 四川龙瑞微电子有限公司 | Adjustable microwave power amplifier |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160914 |
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| RJ01 | Rejection of invention patent application after publication |