CN107819455B - Level window control circuit - Google Patents
Level window control circuit Download PDFInfo
- Publication number
- CN107819455B CN107819455B CN201711298460.7A CN201711298460A CN107819455B CN 107819455 B CN107819455 B CN 107819455B CN 201711298460 A CN201711298460 A CN 201711298460A CN 107819455 B CN107819455 B CN 107819455B
- Authority
- CN
- China
- Prior art keywords
- circuit
- constant voltage
- output
- voltage output
- output circuit
- 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.)
- Active
Links
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/015—Modifications of generator to maintain energy constant
Abstract
The invention discloses a level window control circuit, which comprises an output voltage setting circuit, a first constant voltage output circuit, a second constant voltage output circuit, an inductor and an output limiting circuit; the output voltage setting circuit outputs positive voltage to the first constant voltage output circuit and negative voltage to the second constant voltage output circuit respectively; the first constant voltage output circuit and the second constant voltage output circuit are connected with the output limiting circuit through an inductor, and output voltages of the first constant voltage output circuit and the second constant voltage output circuit are limited through the output limiting circuit; the output limiting circuit comprises at least two output limiting branches and a corresponding number of relays, and is connected with the first constant voltage output circuit and the second constant voltage output circuit by switching different output limiting branches through the relays. Therefore, when the level window control circuit 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 level window control circuit.
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 level window control circuit 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 level window control circuit includes an output voltage setting circuit, a first constant voltage output circuit, a second constant voltage output circuit, an inductor, and an output limiting circuit; wherein,
the output voltage setting circuit is respectively connected with the first constant voltage output circuit and the second constant voltage output circuit, and outputs positive voltage to the first constant voltage output circuit and negative voltage to the second constant voltage output circuit; the first constant voltage output circuit and the second constant voltage output circuit are connected with the output limiting circuit through the inductor, and output voltages of the first constant voltage output circuit and the second constant voltage output circuit are limited through the output limiting circuit;
the output limiting circuit comprises at least two output limiting branches and a corresponding number of relays, and is connected with the first constant voltage output circuit and the second constant voltage output circuit by switching different output limiting branches through the relays.
According to a specific embodiment, in the level window control circuit of the present invention, the first constant voltage output circuit and the second constant voltage output circuit are each composed of two parallel constant voltage sources.
According to a specific embodiment, in the level window control circuit of the present invention, the output voltage setting circuit is connected to a digital-to-analog converter, and adjusts the output voltages of the first constant voltage output circuit and the second constant voltage output circuit according to an analog signal output by the digital-to-analog converter.
According to a specific embodiment, in the level window control circuit of the present invention, output limiting branches in the output limiting circuit are connected in parallel, wherein one output limiting branch is a voltage follower circuit, and the other output limiting branches are switched to different load states by corresponding relays.
Compared with the prior art, the invention has the beneficial effects that:
the level window control circuit comprises an output voltage setting circuit, a first constant voltage output circuit, a second constant voltage output circuit, an inductor and an output limiting circuit; the output voltage setting circuit is respectively connected with the first constant voltage output circuit and the second constant voltage output circuit, and outputs positive voltage to the first constant voltage output circuit and negative voltage to the second constant voltage output circuit; the first constant voltage output circuit and the second constant voltage output circuit are connected with the output limiting circuit through an inductor, and output voltages of the first constant voltage output circuit and the second constant voltage output circuit are limited through the output limiting circuit; the output limiting circuit comprises at least two output limiting branches and a corresponding number of relays, and is connected with the first constant voltage output circuit and the second constant voltage output circuit by switching different output limiting branches through the relays. Therefore, when the level window control circuit 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 an output voltage setting circuit, a first constant voltage output circuit and a second constant voltage output circuit included in the level window control circuit of the present invention;
fig. 3 is a circuit diagram of an output limiting circuit of the level window control 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 level window control circuit comprises an output voltage setting circuit, a first constant voltage output circuit, a second constant voltage output circuit, an inductor and an output limiting circuit; the output voltage setting circuit is respectively connected with the first constant voltage output circuit and the second constant voltage output circuit, and outputs positive voltage to the first constant voltage output circuit and negative voltage to the second constant voltage output circuit; the first constant voltage output circuit and the second constant voltage output circuit are connected with the output limiting circuit through an inductor, and output voltages of the first constant voltage output circuit and the second constant voltage output circuit are limited through the output limiting circuit.
Specifically, the output limiting circuit comprises at least two output limiting branches and a corresponding number of relays, and is connected with the first constant voltage output circuit and the second constant voltage output circuit by switching different output limiting branches through the relays.
The circuit diagrams shown in connection with fig. 2 and 3; the first constant voltage output circuit and the second constant voltage output circuit are composed of two parallel constant voltage sources.
The output voltage setting circuit is connected with the digital-to-analog converter and adjusts the output voltages of the first constant voltage output circuit and the second constant voltage output circuit according to the analog signal output by the digital-to-analog converter.
The output limiting branches in the output limiting circuit are connected in parallel, one output limiting branch is a voltage follower circuit, and the other output limiting branches are switched into different load states through corresponding relays.
Claims (2)
1. The level window control circuit is characterized by comprising an output voltage setting circuit, a first constant voltage output circuit, a second constant voltage output circuit, an inductor and an output limiting circuit; wherein,
the output voltage setting circuit is respectively connected with the first constant voltage output circuit and the second constant voltage output circuit, and outputs positive voltage to the first constant voltage output circuit and negative voltage to the second constant voltage output circuit; the first constant voltage output circuit and the second constant voltage output circuit are connected with the output limiting circuit through the inductor, and output voltages of the first constant voltage output circuit and the second constant voltage output circuit are limited through the output limiting circuit;
the output limiting circuit comprises at least two output limiting branches and a corresponding number of relays, and is connected with the first constant voltage output circuit and the second constant voltage output circuit by switching different output limiting branches through the relays;
the first constant voltage output circuit and the second constant voltage output circuit are composed of two parallel constant voltage sources;
the output limiting branches in the output limiting circuit are connected in parallel, one output limiting branch is a voltage follower circuit, and the other output limiting branches are switched into different load states through corresponding relays.
2. The level window control circuit of claim 1, wherein the output voltage setting circuit is connected to a digital-to-analog converter, and adjusts output voltages of the first constant voltage output circuit and the second constant voltage output circuit according to an analog signal output from the digital-to-analog converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298460.7A CN107819455B (en) | 2017-12-08 | 2017-12-08 | Level window control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298460.7A CN107819455B (en) | 2017-12-08 | 2017-12-08 | Level window control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107819455A CN107819455A (en) | 2018-03-20 |
| CN107819455B true CN107819455B (en) | 2024-02-06 |
Family
ID=61605884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711298460.7A Active CN107819455B (en) | 2017-12-08 | 2017-12-08 | Level window control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819455B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05113829A (en) * | 1991-10-22 | 1993-05-07 | Fuji Electric Co Ltd | Switching circuit for constant current-constant voltage feedback control |
| CN102969757A (en) * | 2012-11-08 | 2013-03-13 | 中国电器科学研究院有限公司 | Micro-current constant voltage device |
| CN104122924A (en) * | 2014-07-18 | 2014-10-29 | 苏州华兴源创电子科技有限公司 | Switch-type voltage stabilizing circuit and constant voltage constant current generation circuit with switch-type voltage stabilizing circuit |
| CN105322803A (en) * | 2015-11-02 | 2016-02-10 | 深圳创维－Rgb电子有限公司 | Constant-voltage and constant-current synchronous output power supply and television |
| CN207475511U (en) * | 2017-12-08 | 2018-06-08 | 成都前锋电子仪器有限责任公司 | A kind of level window control circuit |
-
2017
- 2017-12-08 CN CN201711298460.7A patent/CN107819455B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05113829A (en) * | 1991-10-22 | 1993-05-07 | Fuji Electric Co Ltd | Switching circuit for constant current-constant voltage feedback control |
| CN102969757A (en) * | 2012-11-08 | 2013-03-13 | 中国电器科学研究院有限公司 | Micro-current constant voltage device |
| CN104122924A (en) * | 2014-07-18 | 2014-10-29 | 苏州华兴源创电子科技有限公司 | Switch-type voltage stabilizing circuit and constant voltage constant current generation circuit with switch-type voltage stabilizing circuit |
| CN105322803A (en) * | 2015-11-02 | 2016-02-10 | 深圳创维－Rgb电子有限公司 | Constant-voltage and constant-current synchronous output power supply and television |
| CN207475511U (en) * | 2017-12-08 | 2018-06-08 | 成都前锋电子仪器有限责任公司 | A kind of level window control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107819455A (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104218951B (en) | The operating method of semiconductor devices and semiconductor devices | |
| CN107425828B (en) | Synchronous control signal generating circuit | |
| CN105183059A (en) | Digit low voltage difference voltage-stablizer and ringing elimination method thereof | |
| CN102355246A (en) | High speed DAC current source switch driving circuit | |
| CN104124945A (en) | Duty ratio calibrating circuit | |
| CN103490749B (en) | A kind of high speed ultra-narrow pulse digital synthesis device | |
| CN107819455B (en) | Level window control circuit | |
| CN108011619B (en) | Pulse code pattern generator | |
| CN107565951B (en) | Multi-state signal generating circuit | |
| CN105553260A (en) | Program control voltage adjustment circuit | |
| CN102437841B (en) | Analog switch circuit | |
| CN104714774A (en) | True random number generation method based on digital circuit | |
| CN207475511U (en) | A kind of level window control circuit | |
| CN102684495A (en) | Digital power supply control circuit, control method and digital power supply using circuit and method | |
| CN203324859U (en) | FPGA-based temperature compensation control circuit | |
| EP3748859A1 (en) | Dac device having positive dac and negative dac and associated digital-to-analog converting method | |
| US10666127B2 (en) | Power system and method | |
| CN106788432A (en) | D/A converting circuit | |
| CN107508580B (en) | Pulse generating circuit module for detecting rising edge of analog/digital signal of integrated circuit | |
| CN107835000B (en) | Output circuit for pulse code pattern generator | |
| US9887693B2 (en) | Clock selection circuit and power supply device equipped with the same | |
| CN204258774U (en) | Be applicable to the output circuit of delayed signal generator | |
| CN107800394A (en) | A kind of variable gain control circuit | |
| CN109981083A (en) | Waveform shaping circuit and electronic equipment | |
| CN104158535A (en) | Frequency and voltage convertor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |