CN203104365U - Frequency current amplifying board - Google Patents
Frequency current amplifying board Download PDFInfo
- Publication number
- CN203104365U CN203104365U CN 201320010549 CN201320010549U CN203104365U CN 203104365 U CN203104365 U CN 203104365U CN 201320010549 CN201320010549 CN 201320010549 CN 201320010549 U CN201320010549 U CN 201320010549U CN 203104365 U CN203104365 U CN 203104365U
- Authority
- CN
- China
- Prior art keywords
- emitter
- frequency current
- resistance
- resistor
- power supply
- 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.)
- Expired - Fee Related
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model aims to provide a frequency current amplifying board which is not disturbed by the external temperature. The frequency current amplifying board comprises a signal input end, a signal output end, and a working power supply. The signal input end is connected with a base V1 and a base V2, collectors of the V1 and V3 are connected with the positive electrode V+ of the power supply, collectors of the V2 and V4 are connected with the negative electrode V- of the power supply, an emitting electrode of V1 is connected with a base of the V4, an emitting electrode of the V2 is connected with a base of the V3, emitting electrodes of the V3 and the V4 are connected at the signal output end in series, a resistor R1 and a resistor R2 are arranged between the emitting electrode of the V1 and the negative electrode V- of the power supply, the resistor R1 and the resistor R2 are connected with each other in series, a resistor R3 and a resistor R4 are arranged between the emitting electrode of V2 and the positive electrode V+ of the power supply, and the R3 and R4 are connected with each other in series.
Description
Technical field
The utility model relates to a kind of frequency current and amplifies plate.
Background technology
The biasing of traditional frequency current amplifying device causes the circuit instability through the influence that regular meeting is subjected to ambient temperature, and the linearity of signal output is also good inadequately.
The utility model content
The purpose of this utility model provides a kind of frequency current that not disturbed by ambient temperature and amplifies plate.
In order to address the above problem, the utility model is achieved through the following technical solutions:
A kind of frequency current amplifies plate, comprise signal input part, signal output part and working power, signal input part connects V1, V2 base stage, the collector electrode of V1, V3 meets positive source V+, the collector electrode of V2, V4 meets power cathode V-, the emitter of V1 connects the V4 base stage, the emitter of V2 connects the V3 base stage, the emitter of V3, V4 is parallel to signal output part, be provided with resistance R 1, R2 between the emitter of V1 and the power cathode V-, resistance R 1, R2 parallel connection are provided with resistance R 3, R4 between the emitter of V2 and the positive source V+, resistance R 3, R4 parallel connection.
Compared with prior art, the beneficial effects of the utility model are: frequency current of the present utility model amplifies plate, owing to be provided with resistance R 1, R2 between the emitter of V1 and the power cathode V-, resistance R 1, R2 parallel connection, be provided with resistance R 3, R4 between the emitter of V2 and the positive source V+, resistance R 3, R4 parallel connection make entire circuit not be subjected to the influence of ambient temperature, and the linearity of signal output is also relatively good.
Description of drawings
Fig. 1 is the circuit diagram that frequency current of the present utility model amplifies plate.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, a kind of frequency current amplifies plate, comprise signal input part, signal output part and working power, signal input part connects V1, V2 base stage, the collector electrode of V1, V3 meets positive source V+, the collector electrode of V2, V4 meets power cathode V-, the emitter of V1 connects the V4 base stage, the emitter of V2 connects the V3 base stage, the emitter of V3, V4 is parallel to signal output part, is provided with resistance R 1, R2 between the emitter of V1 and the power cathode V-, resistance R 1, R2 parallel connection, be provided with resistance R 3, R4 between the emitter of V2 and the positive source V+, resistance R 3, R4 parallel connection.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (1)
1. a frequency current amplifies plate, comprise signal input part, signal output part and working power, signal input part connects V1, V2 base stage, the collector electrode of V1, V3 meets positive source V+, the collector electrode of V2, V4 meets power cathode V-, the emitter of V1 connects the V4 base stage, the emitter of V2 connects the V3 base stage, the emitter of V3, V4 is parallel to signal output part, it is characterized in that: be provided with resistance R 1, R2 between the emitter of V1 and the power cathode V-, resistance R 1, R2 parallel connection are provided with resistance R 3, R4 between the emitter of V2 and the positive source V+, resistance R 3, R4 parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010549 CN203104365U (en) | 2013-01-10 | 2013-01-10 | Frequency current amplifying board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010549 CN203104365U (en) | 2013-01-10 | 2013-01-10 | Frequency current amplifying board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104365U true CN203104365U (en) | 2013-07-31 |
Family
ID=48855739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010549 Expired - Fee Related CN203104365U (en) | 2013-01-10 | 2013-01-10 | Frequency current amplifying board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104365U (en) |
-
2013
- 2013-01-10 CN CN 201320010549 patent/CN203104365U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205160478U (en) | Electrocardiogram detector electrocardio signal amplification circuit | |
| CN202261772U (en) | Mute failure protection circuit | |
| CN204013414U (en) | Amplifying circuit | |
| CN203104365U (en) | Frequency current amplifying board | |
| CN104639057A (en) | Audio amplification circuit provided with simple structure and used for computer | |
| CN204886882U (en) | Preamplifier | |
| CN202059555U (en) | Circuit for eliminating starting noise | |
| CN203057473U (en) | Active audio frequency amplifying circuit | |
| CN203301429U (en) | Current amplifier applied to plane power supply | |
| CN103475323A (en) | Power amplifier | |
| CN204190709U (en) | Based on the amplifier circuit of bias current sources | |
| CN203027451U (en) | Active audio amplifying circuit | |
| CN203492095U (en) | High-speed video amplifier | |
| CN203423796U (en) | Microphone amplifier with micro power consumption and high sensitivity | |
| CN203608165U (en) | Rapid shunt circuit and power amplifying circuit based on same | |
| CN203225708U (en) | Instrumentation amplifier circuit | |
| CN203233369U (en) | Front end amplification circuit for router | |
| CN203027463U (en) | Audio machine with voice crack preventing function | |
| CN202168198U (en) | Sound control circuit | |
| CN203057083U (en) | High-accuracy negative feedback active audio machine | |
| CN202218195U (en) | Amplifying circuit | |
| CN203027452U (en) | Filtering type active sounding device | |
| CN205081763U (en) | Regulation and control formula earphone integrated amplifier circuit | |
| CN204304769U (en) | The peak clipping pulse wave modulation system of process is amplified based on two-stage LPF | |
| CN203014772U (en) | Mute application circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180327 Address after: 467000, Wugang Industrial Zone, Pingdingshan, Henan, on the north side of No. two road, No. three on the west side of the road Patentee after: Henan Tai Tian Heavy Industry Machinery Manufacturing Co., Ltd. Address before: The Lake District of Xiamen City, Fujian province 361015 Wo Shan Zhen Zhong Zhai Cun Jin Zhanyuan No. three factory Patentee before: Xiamen Taitian Machinery Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20210110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |