CN204334504U - Easy Resistance and Capacitance Coupled Amplification Circuit - Google Patents
Easy Resistance and Capacitance Coupled Amplification Circuit Download PDFInfo
- Publication number
- CN204334504U CN204334504U CN201520051190.XU CN201520051190U CN204334504U CN 204334504 U CN204334504 U CN 204334504U CN 201520051190 U CN201520051190 U CN 201520051190U CN 204334504 U CN204334504 U CN 204334504U
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- China
- Prior art keywords
- resistance
- electric capacity
- triode
- amplification circuit
- capacitance coupled
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Abstract
The utility model discloses a kind of easy Resistance and Capacitance Coupled Amplification Circuit, comprise DC power supply, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, first triode and the second triode, compared with prior art, quiescent point between the utility model is at different levels is separate, make very convenient, need not consider at different levels between interference, as whole Circuits System, the change of its quiescent point is little, and cost of manufacture is lower, there is the value of higher penetration and promotion.
Description
Technical field
The utility model relates to a kind of Resistance and Capacitance Coupled Amplification Circuit, particularly relates to a kind of easy Resistance and Capacitance Coupled Amplification Circuit.
Background technology
Integrated operational amplifier circuit is a kind of direct-coupled multistage amplifier circuit, it is the integrated technique utilizing semiconductor, realizing circuit, the product that Circuits System and element three combine, owing to adopting integrated technique, the consistency of adjacent component parameter can be made good, and adopt the complicated circuit of multiple transistor, making it performance does very superior, Resistance and Capacitance Coupled Amplification Circuit is one wherein, but there is certain interference between Resistance and Capacitance Coupled Amplification Circuit components and parts now, ambient temperature is larger on its impact, and cost of manufacture is higher, have influence on the making of whole circuit board.
Utility model content
The purpose of this utility model is just to provide a kind of easy Resistance and Capacitance Coupled Amplification Circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises DC power supply, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, first triode and the second triode, the positive pole of described DC power supply simultaneously with the positive pole of described first electric capacity, the first end of described first resistance is connected with the base stage of described first triode, the negative pole of described DC power supply simultaneously with the negative signal input of described Resistance and Capacitance Coupled Amplification Circuit, the emitter of described first triode is connected with the first end of described 3rd resistance, the positive signal input of described Resistance and Capacitance Coupled Amplification Circuit is connected with the negative pole of described first electric capacity, the collector electrode of described first triode is connected with the first end of described second electric capacity and the first end of described second resistance simultaneously, described second the second end while with the second end of described first resistance, the first end of described 4th resistance is connected with the first end of described 6th resistance, the second end of described 4th resistance simultaneously with the second end of described second electric capacity, the first end of described 5th resistance is connected with the base stage of described second triode, the second end of described 5th resistance simultaneously with the second end of described 3rd resistance, the first end of described 7th resistance, the described negative pole of the 4th electric capacity is connected with the negative signal output of described Resistance and Capacitance Coupled Amplification Circuit, second end of described 7th resistance is connected with the positive pole of described 4th electric capacity and the emitter of described second triode simultaneously, the collector electrode of described second triode is connected with the positive pole of described 3rd electric capacity and the second end of described 6th resistance simultaneously, and the described negative pole of the 3rd electric capacity is connected with the positive signal output of described Resistance and Capacitance Coupled Amplification Circuit.
Particularly, described first electric capacity, described 3rd electric capacity and described 4th electric capacity are polar capacitor, and described first triode and described second triode are NPN type.
The beneficial effects of the utility model are:
The utility model is a kind of easy Resistance and Capacitance Coupled Amplification Circuit, quiescent point between it at different levels is separate, make very convenient, need not consider at different levels between interference, ambient temperature is less on its impact, and as whole Circuits System, the change of its quiescent point is little, and cost of manufacture is lower, there is the value of higher penetration and promotion.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the easy Resistance and Capacitance Coupled Amplification Circuit of the 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 DC power supply DC, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, the positive pole of the first triode Q1 and the second triode Q2, DC power supply DC simultaneously with the positive pole of the first electric capacity C1, the first end of the first resistance R1 is connected with the base stage of the first triode Q1, the negative pole of DC power supply DC simultaneously with the negative signal input of Resistance and Capacitance Coupled Amplification Circuit, the emitter of the first triode Q1 is connected with the first end of the 3rd resistance R3, the positive signal input of Resistance and Capacitance Coupled Amplification Circuit is connected with the negative pole of the first electric capacity C1, the collector electrode of the first triode Q1 is connected with the first end of the second electric capacity C2 and the first end of the second resistance R2 simultaneously, second the second end while with second end of the first resistance R1, the first end of the 4th resistance R4 is connected with the first end of the 6th resistance R6, second end of the 4th resistance R4 simultaneously with second end of the second electric capacity C2, the first end of the 5th resistance R5 is connected with the base stage of the second triode Q2, second end of the 5th resistance R5 simultaneously with second end of the 3rd resistance R3, the first end of the 7th resistance R7, the negative pole of the 4th electric capacity C4 is connected with the negative signal output of Resistance and Capacitance Coupled Amplification Circuit, second end of the 7th resistance R7 is connected with the positive pole of the 4th electric capacity C4 and the emitter of the second triode Q2 simultaneously, the collector electrode of the second triode Q2 is connected with the positive pole of the 3rd electric capacity C3 and second end of the 6th resistance R6 simultaneously, the negative pole of the 3rd electric capacity C3 is connected with the positive signal output of Resistance and Capacitance Coupled Amplification Circuit, the first electric capacity C1, 3rd electric capacity C3 and the 4th electric capacity C4 is polar capacitor, and the first triode Q1 and the second triode Q2 is NPN type.
The utility model is a kind of easy Resistance and Capacitance Coupled Amplification Circuit, due to the first electric capacity C1, second electric capacity C2, 3rd electric capacity C3 and the 4th electric capacity C4 is infinitely great to the reactance of DC quantity, thus the quiescent point between at different levels is separate, therefore before design quiescent point at different levels need not be considered, the impact of rear class, and analyze, calculate and adjustment quiescent point very convenient, due to electric capacity every straight effect, the temperature drift of prime working point can not be transferred to next stage, although every one-level all has some to change when ambient temperature changes, but as whole Circuits System, quiescent point change is little.
Claims (2)
1. an easy Resistance and Capacitance Coupled Amplification Circuit, is characterized in that: comprise DC power supply, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, first triode and the second triode, the positive pole of described DC power supply simultaneously with the positive pole of described first electric capacity, the first end of described first resistance is connected with the base stage of described first triode, the negative pole of described DC power supply simultaneously with the negative signal input of described Resistance and Capacitance Coupled Amplification Circuit, the emitter of described first triode is connected with the first end of described 3rd resistance, the positive signal input of described Resistance and Capacitance Coupled Amplification Circuit is connected with the negative pole of described first electric capacity, the collector electrode of described first triode is connected with the first end of described second electric capacity and the first end of described second resistance simultaneously, described second the second end while with the second end of described first resistance, the first end of described 4th resistance is connected with the first end of described 6th resistance, the second end of described 4th resistance simultaneously with the second end of described second electric capacity, the first end of described 5th resistance is connected with the base stage of described second triode, the second end of described 5th resistance simultaneously with the second end of described 3rd resistance, the first end of described 7th resistance, the described negative pole of the 4th electric capacity is connected with the negative signal output of described Resistance and Capacitance Coupled Amplification Circuit, second end of described 7th resistance is connected with the positive pole of described 4th electric capacity and the emitter of described second triode simultaneously, the collector electrode of described second triode is connected with the positive pole of described 3rd electric capacity and the second end of described 6th resistance simultaneously, and the described negative pole of the 3rd electric capacity is connected with the positive signal output of described Resistance and Capacitance Coupled Amplification Circuit.
2. easy Resistance and Capacitance Coupled Amplification Circuit according to claim 1, is characterized in that: described first electric capacity, described 3rd electric capacity and described 4th electric capacity are polar capacitor, and described first triode and described second triode are NPN type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051190.XU CN204334504U (en) | 2015-01-26 | 2015-01-26 | Easy Resistance and Capacitance Coupled Amplification Circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051190.XU CN204334504U (en) | 2015-01-26 | 2015-01-26 | Easy Resistance and Capacitance Coupled Amplification Circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334504U true CN204334504U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051190.XU Expired - Fee Related CN204334504U (en) | 2015-01-26 | 2015-01-26 | Easy Resistance and Capacitance Coupled Amplification Circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261270A (en) * | 2015-11-26 | 2016-01-20 | 江苏海事职业技术学院 | Training-used resistance-capacitance coupled amplifier circuit |
-
2015
- 2015-01-26 CN CN201520051190.XU patent/CN204334504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261270A (en) * | 2015-11-26 | 2016-01-20 | 江苏海事职业技术学院 | Training-used resistance-capacitance coupled amplifier circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |