CN203492092U - A simple video signal amplification circuit used for a video monitoring device - Google Patents
A simple video signal amplification circuit used for a video monitoring device Download PDFInfo
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- CN203492092U CN203492092U CN201320577026.3U CN201320577026U CN203492092U CN 203492092 U CN203492092 U CN 203492092U CN 201320577026 U CN201320577026 U CN 201320577026U CN 203492092 U CN203492092 U CN 203492092U
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- electric capacity
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- frequency amplifier
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Abstract
The utility model discloses a simple video signal amplification circuit used for a video monitoring device. The simple video signal amplification circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a first resistor, a second resistor, and a radio frequency amplifier. Compared with a video signal amplification circuit in the prior art, the simple video signal amplification circuit used for a video monitoring device has advantages of simple circuit structure, few electronic elements, low power consumption, low cost, and a small size, and is beneficial to popularization and generalization.
Description
Technical field
The utility model relates to a kind of video monitoring equipment circuit, relates in particular to a kind of simple and easy vision signal amplifying circuit for video monitoring equipment.
Background technology
Video monitoring is the important component part of safety and protection system, and it is the integrated system that a kind of prevention ability is stronger.Video monitoring is directly perceived with it, accurately, in time and the information content abundant and be widely used in many occasions.In recent years, along with computer, network and image are processed, the develop rapidly of transmission technology, Video Supervision Technique has also had significant progress.Video monitoring has been widely applied to every field now, and some families also start to install watch-dog.And in prior art the circuit structure for the signal amplification circuit of video monitoring equipment complicated, adopt that electronic component is more, with high costs, power consumption is high, be unfavorable for universal and promote.
Utility model content
The purpose of this utility model provides a kind of simple and easy vision signal amplifying circuit for video monitoring equipment with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first resistance, the second resistance and radio frequency amplifier, the first signal input of described radio frequency amplifier is connected with the first end of described the first resistance, the second end of described the first resistance is the gain signal input of described vision signal amplifying circuit, the secondary signal input of described radio frequency amplifier is connected with the first end of described the 4th electric capacity with the first end of described the 3rd electric capacity simultaneously, the second end of described the 3rd electric capacity is connected with the second end of described the 4th electric capacity, the second end of described the 3rd electric capacity is the video signal input terminal of described vision signal amplifying circuit, the 3rd signal input part of described radio frequency amplifier is connected with the first end of described the second electric capacity with the first end of described the first electric capacity simultaneously, the second end of described the first electric capacity is connected with the second end of described the second electric capacity and the negative power supply input of described radio frequency amplifier simultaneously, the earth terminal of described radio frequency amplifier is connected with the first end of described the 6th electric capacity with the first end of described the 5th electric capacity simultaneously, the second end while of described the 5th electric capacity and the second end of described the 6th electric capacity, the first end of described the second resistance, cathode power supply end, the cathode power supply input of described radio frequency amplifier and the control signal input of described radio frequency amplifier are connected, the signal output part of described radio frequency amplifier is connected with the second end of described the second resistance, the signal output part of described radio frequency amplifier is the VT of described vision signal amplifying circuit.
The beneficial effects of the utility model are:
The utility model is a kind of simple and easy vision signal amplifying circuit for video monitoring equipment, compare with vision signal amplifying circuit of the prior art and have advantages of that circuit structure is simple, employing electronic component is few, low in energy consumption, cost is low, volume is little, be conducive to universal and promote.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, the first resistance R 1, the second resistance R 2 and radio frequency amplifier IC, the first signal input of radio frequency amplifier IC is connected with the first end of the first resistance R 1, the second end of the first resistance R 1 is the gain signal input Uc of vision signal amplifying circuit, the secondary signal input of radio frequency amplifier IC is connected with the first end of the 4th capacitor C 4 with the first end of the 3rd capacitor C 3 simultaneously, the second end of the 3rd capacitor C 3 is connected with the second end of the 4th capacitor C 4, the second end of the 3rd capacitor C 3 is the video signal input terminal Ue of vision signal amplifying circuit, the 3rd signal input part of radio frequency amplifier IC is connected with the first end of the second capacitor C 2 with the first end of the first capacitor C 1 simultaneously, the second end of the first capacitor C 1 is connected with the second end of the second capacitor C 2 and the negative power supply input of radio frequency amplifier IC simultaneously, the earth terminal of radio frequency amplifier IC is connected with the first end of the 6th capacitor C 6 with the first end of the 5th capacitor C 5 simultaneously, the second end while of the 5th capacitor C 5 and the second end of the 6th capacitor C 6, the first end of the second resistance R 2, cathode power supply end+12V, the cathode power supply input of radio frequency amplifier IC is connected with the control signal input of radio frequency amplifier IC, the signal output part of radio frequency amplifier IC is connected with the second end of the second resistance R 2, the signal output part of radio frequency amplifier IC is the VT Ua of vision signal amplifying circuit.The utility model is a kind of simple and easy vision signal amplifying circuit for video monitoring equipment, compare with vision signal amplifying circuit of the prior art and have advantages of that circuit structure is simple, employing electronic component is few, low in energy consumption, cost is low, volume is little, be conducive to universal and promote.
Claims (1)
1. the simple and easy vision signal amplifying circuit for video monitoring equipment, it is characterized in that: comprise the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first resistance, the second resistance and radio frequency amplifier, the first signal input of described radio frequency amplifier is connected with the first end of described the first resistance, the second end of described the first resistance is the gain signal input of described vision signal amplifying circuit, the secondary signal input of described radio frequency amplifier is connected with the first end of described the 4th electric capacity with the first end of described the 3rd electric capacity simultaneously, the second end of described the 3rd electric capacity is connected with the second end of described the 4th electric capacity, the second end of described the 3rd electric capacity is the video signal input terminal of described vision signal amplifying circuit, the 3rd signal input part of described radio frequency amplifier is connected with the first end of described the second electric capacity with the first end of described the first electric capacity simultaneously, the second end of described the first electric capacity is connected with the second end of described the second electric capacity and the negative power supply input of described radio frequency amplifier simultaneously, the earth terminal of described radio frequency amplifier is connected with the first end of described the 6th electric capacity with the first end of described the 5th electric capacity simultaneously, the second end while of described the 5th electric capacity and the second end of described the 6th electric capacity, the first end of described the second resistance, cathode power supply end, the cathode power supply input of described radio frequency amplifier and the control signal input of described radio frequency amplifier are connected, the signal output part of described radio frequency amplifier is connected with the second end of described the second resistance, the signal output part of described radio frequency amplifier is the VT of described vision signal amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577026.3U CN203492092U (en) | 2013-09-17 | 2013-09-17 | A simple video signal amplification circuit used for a video monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577026.3U CN203492092U (en) | 2013-09-17 | 2013-09-17 | A simple video signal amplification circuit used for a video monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203492092U true CN203492092U (en) | 2014-03-19 |
Family
ID=50262887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320577026.3U Expired - Fee Related CN203492092U (en) | 2013-09-17 | 2013-09-17 | A simple video signal amplification circuit used for a video monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203492092U (en) |
-
2013
- 2013-09-17 CN CN201320577026.3U patent/CN203492092U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A simple video signal amplification circuit used for a video monitoring device Effective date of registration: 20150109 Granted publication date: 20140319 Pledgee: Sichuan Chengdu Pujiang Minfu village bank limited liability company Pledgor: Chengdu Kaizhi Technology Co., Ltd. Registration number: 2015510000003 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |