CN107786176B - Linear amplifier - Google Patents
Linear amplifier Download PDFInfo
- Publication number
- CN107786176B CN107786176B CN201711299355.5A CN201711299355A CN107786176B CN 107786176 B CN107786176 B CN 107786176B CN 201711299355 A CN201711299355 A CN 201711299355A CN 107786176 B CN107786176 B CN 107786176B
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- circuit
- pushing
- follower
- diode
- pushing circuit
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- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/10—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a linear amplifier, which comprises a first follower, a second follower, a first cut-off diode, a second cut-off diode, an amplifying circuit, a first pushing circuit and a second pushing circuit, wherein the first follower is connected with the first cut-off diode; the first follower is connected with the first pushing circuit through a first cut-off diode respectively, the second follower is connected with the second pushing circuit through a second cut-off diode respectively, and the first pushing circuit and the second pushing circuit are connected with the amplifying circuit respectively; the same pulse signal is input to the first follower and the second follower at the same time, the pulse signal input to the first follower is intercepted by the first interception diode, the positive/negative pulse of the pulse signal is input to the first pushing circuit, the pulse signal input to the second follower is intercepted by the second interception diode, the negative/positive pulse of the pulse signal is input to the second pushing circuit, and the output pulses of the first pushing circuit and the second pushing circuit are amplified by the amplifying circuit and then are combined and output. Therefore, when the linear amplifier is applied to the pulse code pattern generator, the performance of the pulse code pattern generator can be improved.
Description
Technical Field
The invention relates to the technical field of electronic circuits, in particular to a linear amplifier.
Background
In the prior art, the pulse code pattern generator can generate simple pulses, burst and continuous pulse streams, and the code pattern capability of the pulse code pattern generator can also generate data signals, and the versatility is the key of digital device test application, so the pulse code pattern generator is widely applied to the test fields of radar, satellite navigation, electronic countermeasure, electronic communication, aerospace and the like. The pulse code pattern generator generally includes a clock generating section, a memory and logic section, and a signal shape control section. To accommodate the higher test requirements, the performance of the pulse pattern generator must be improved by optimizing the various components of the pulse pattern generator.
Disclosure of Invention
The invention aims at: a linear amplifier for a pulse pattern generator is provided, which can improve the performance of the pulse pattern generator.
In order to achieve the above object, the present invention provides the following technical solutions:
a linear amplifier comprising a first follower, a second follower, a first cut-off diode, a second cut-off diode, an amplifying circuit, a first push circuit and a second push circuit; the first follower is connected with the first pushing circuit through the first cut-off diode respectively, the second follower is connected with the second pushing circuit through the second cut-off diode respectively, and the first pushing circuit and the second pushing circuit are connected with the amplifying circuit respectively; the same pulse signal is input to the first follower and the second follower at the same time, the pulse signal input to the first follower is intercepted by the first intercepting diode, the positive/negative pulse of the pulse signal is input to the first pushing circuit, the pulse signal input to the second follower is intercepted by the second intercepting diode, the negative/positive pulse of the pulse signal is input to the second pushing circuit, and the output pulses of the first pushing circuit and the second pushing circuit are amplified by the amplifying circuit and then are combined and output.
According to a specific embodiment, in the linear amplifier of the present invention, the first push circuit and the second push circuit are common emitter push circuits composed of four triodes.
According to a specific embodiment, in the linear amplifier of the present invention, the amplifying circuit is a common base parallel amplifying circuit formed by four triodes.
According to a specific embodiment, in the linear amplifier of the present invention, the control signals of the first and second push circuits are variable gain control signals of the pulse signal.
According to a specific embodiment, in the linear amplifier of the present invention, the first push circuit and the second push circuit are further connected to a power detection circuit, respectively.
Compared with the prior art, the invention has the beneficial effects that:
the linear amplifier comprises a first follower, a second follower, a first cut-off diode, a second cut-off diode, an amplifying circuit, a first pushing circuit and a second pushing circuit; the first follower is connected with the first pushing circuit through a first cut-off diode respectively, the second follower is connected with the second pushing circuit through a second cut-off diode respectively, and the first pushing circuit and the second pushing circuit are connected with the amplifying circuit respectively; the same pulse signal is input to the first follower and the second follower at the same time, the pulse signal input to the first follower is intercepted by the first interception diode, the positive/negative pulse of the pulse signal is input to the first pushing circuit, the pulse signal input to the second follower is intercepted by the second interception diode, the negative/positive pulse of the pulse signal is input to the second pushing circuit, and the output pulses of the first pushing circuit and the second pushing circuit are amplified by the amplifying circuit and then are combined and output. Therefore, when the linear amplifier is applied to the pulse code pattern generator, the performance of the pulse code pattern generator can be improved.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a circuit diagram of a first follower, a second follower, a first cut-off diode, and a second cut-off diode included in the present invention;
fig. 3 and 4 are circuit diagrams of a first and a second push circuit, respectively, according to the present invention;
fig. 5 is a circuit diagram of an amplifying circuit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
The structure of the invention as shown in fig. 1; the linear amplifier comprises a first follower, a second follower, a first cut-off diode, a second cut-off diode, an amplifying circuit, a first pushing circuit and a second pushing circuit.
The first follower is connected with the first pushing circuit through the first cut-off diode respectively, the second follower is connected with the second pushing circuit through the second cut-off diode respectively, and the first pushing circuit and the second pushing circuit are connected with the amplifying circuit respectively; the same pulse signal is input to the first follower and the second follower at the same time, the pulse signal input to the first follower is intercepted by the first intercepting diode, the positive/negative pulse of the pulse signal is input to the first pushing circuit, the pulse signal input to the second follower is intercepted by the second intercepting diode, the negative/positive pulse of the pulse signal is input to the second pushing circuit, and the output pulses of the first pushing circuit and the second pushing circuit are amplified by the amplifying circuit and then are combined and output.
Specifically, the circuit diagrams of fig. 2 to 5 are combined; the first pushing circuit and the second pushing circuit are common emitter pushing circuits formed by four triodes. The amplifying circuit is a common base parallel amplifying circuit formed by four triodes. The control signals of the first pushing circuit and the second pushing circuit are variable gain control signals of the pulse signals. In implementation, the first pushing circuit and the second pushing circuit are also respectively connected with a power detection circuit.
Claims (1)
1. The linear amplifier is characterized by comprising a first follower, a second follower, a first cut-off diode, a second cut-off diode, an amplifying circuit, a first pushing circuit and a second pushing circuit; the first follower is respectively connected with the first cut-off diode and the first pushing circuit, the second follower is respectively connected with the second cut-off diode and the second pushing circuit, and the first pushing circuit and the second pushing circuit are respectively connected with the amplifying circuit; the same pulse signal is input to the first follower and the second follower at the same time, the pulse signal input to the first follower is intercepted by the first intercepting diode, the positive/negative pulse of the pulse signal is input to the first pushing circuit, the pulse signal input to the second follower is intercepted by the second intercepting diode, the negative/positive pulse of the pulse signal is input to the second pushing circuit, and the output pulses of the first pushing circuit and the second pushing circuit are amplified by the amplifying circuit and then are combined and output; the first pushing circuit and the second pushing circuit are common emitter pushing circuits formed by four triodes; the amplifying circuit is a common base parallel amplifying circuit formed by four triodes; the control signals of the first pushing circuit and the second pushing circuit are variable gain control signals of the pulse signals; the first pushing circuit and the second pushing circuit are also respectively connected with a power detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299355.5A CN107786176B (en) | 2017-12-08 | 2017-12-08 | Linear amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711299355.5A CN107786176B (en) | 2017-12-08 | 2017-12-08 | Linear amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107786176A CN107786176A (en) | 2018-03-09 |
| CN107786176B true CN107786176B (en) | 2024-02-06 |
Family
ID=61431182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711299355.5A Active CN107786176B (en) | 2017-12-08 | 2017-12-08 | Linear amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107786176B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844443A (en) * | 1996-12-12 | 1998-12-01 | Philips Electronics North America Corporation | Linear high-frequency amplifier with high input impedance and high power efficiency |
| US6472937B1 (en) * | 2000-11-15 | 2002-10-29 | Conexant Systems, Inc. | Bias enhancement circuit for linear amplifiers |
| CN2702532Y (en) * | 2004-04-02 | 2005-05-25 | 马鞍山市华宝电气公司 | Highly effective linear amplifier |
| CN204652315U (en) * | 2015-06-11 | 2015-09-16 | 苏州索拉科技有限公司 | A kind of high-power amplifier drive circuit |
| CN207475493U (en) * | 2017-12-08 | 2018-06-08 | 成都前锋电子仪器有限责任公司 | A kind of linear amplifier |
-
2017
- 2017-12-08 CN CN201711299355.5A patent/CN107786176B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844443A (en) * | 1996-12-12 | 1998-12-01 | Philips Electronics North America Corporation | Linear high-frequency amplifier with high input impedance and high power efficiency |
| US6472937B1 (en) * | 2000-11-15 | 2002-10-29 | Conexant Systems, Inc. | Bias enhancement circuit for linear amplifiers |
| CN2702532Y (en) * | 2004-04-02 | 2005-05-25 | 马鞍山市华宝电气公司 | Highly effective linear amplifier |
| CN204652315U (en) * | 2015-06-11 | 2015-09-16 | 苏州索拉科技有限公司 | A kind of high-power amplifier drive circuit |
| CN207475493U (en) * | 2017-12-08 | 2018-06-08 | 成都前锋电子仪器有限责任公司 | A kind of linear amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107786176A (en) | 2018-03-09 |
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