CN101989839A - Simple power amplifier circuit - Google Patents
Simple power amplifier circuit Download PDFInfo
- Publication number
- CN101989839A CN101989839A CN2009100129721A CN200910012972A CN101989839A CN 101989839 A CN101989839 A CN 101989839A CN 2009100129721 A CN2009100129721 A CN 2009100129721A CN 200910012972 A CN200910012972 A CN 200910012972A CN 101989839 A CN101989839 A CN 101989839A
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- resistance
- triode
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- electric capacity
- base stage
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Abstract
The invention discloses a simple power amplifier circuit, which relates to the improvement on the structure of an amplifier circuit, in particular to a simple power amplifier circuit. The invention provides a simple switch power supply amplification circuit with a simple structure. The circuit comprises a triode, a resistor, a capacitor, a diode and a loudspeaker.
Description
Technical field:
The present invention relates to the improvement of amplification circuit structure, relates in particular to a kind of simple and easy power amplifier electricity circuit.
Background technology:
The power amplifier of existing sound equipment all is multistage extensive integrated amplifier circuit usually, and its structure is very complicated, and element is various, and consumes energy is big, the caloric value height, and circuit burns out easily.
Summary of the invention:
The present invention is exactly at the problems referred to above, and a kind of unsophisticated mains switch amplifying circuit simple in structure is provided.
For achieving the above object, the present invention adopts following technical scheme, the present invention includes triode, resistance, electric capacity, diode and loudspeaker, the base stage of its structural feature first triode is respectively with second resistance, the positive pole of first resistance and first electric capacity links to each other, the negative pole of first electric capacity connects input, one end of first resistance is respectively with the 5th resistance, the emitter of second triode, the emitter of the 6th triode, the 3rd resistance, the 3rd electric capacity, ground, loudspeaker and negative output terminal link to each other, one end of second resistance is respectively with the 9th resistance, the collector electrode of the 4th triode, the collector electrode of the 5th triode and positive output end link to each other, the 9th electric capacity links to each other with the positive pole of the tenth electric capacity and second resistance respectively, the negative pole of second electric capacity is respectively with the 4th resistance, the positive pole of the 4th electric capacity, the collector electrode of the emitter of the 5th triode and the 6th triode links to each other, the tenth resistance is respectively with the positive pole of diode, the base stage of the 7th resistance and the 4th triode links to each other, the negative pole of diode is the collector electrode of same second triode respectively, one end of the 7th resistance and the base stage of the 3rd triode link to each other, the emitter of the 4th triode links to each other with the base stage of the 8th resistance and the 5th resistance respectively, the collector electrode of the 3rd triode links to each other with the base stage of the 6th triode, and the negative pole of the 4th electric capacity is respectively with the 3rd resistance, one end of the 6th resistance and loudspeaker links to each other.
Beneficial effect of the present invention:
Because the element that the present invention relates to has only diode, resistance, electric capacity, triode and loudspeaker, so simple in structure.
Description of drawings:
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment:
The present invention includes triode Q1, Q2, Q3, Q4, Q5, Q6, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, capacitor C 1, C2, C3, C4, diode D and loudspeaker B, the base stage of the first triode Q1 is respectively with second resistance R 2, the positive pole of first resistance R 1 and first capacitor C 1 links to each other, the negative pole of first capacitor C 1 connects input, one end of first resistance R 1 is respectively with the 5th resistance R 5, the emitter of the second triode Q2, the emitter of the 6th triode Q6, the 3rd resistance R 3, the 3rd capacitor C 3, ground, loudspeaker B and negative output terminal link to each other, one end of second resistance R 2 is respectively with the 9th resistance R 9, the collector electrode of the 4th triode Q4, the collector electrode of the 5th triode Q5 and positive output end link to each other, the 9th capacitor C 9 links to each other with the positive pole of the tenth capacitor C 10 and second resistance R 2 respectively, the negative pole of second capacitor C 2 is respectively with the 4th resistance R 4, the positive pole of the 4th capacitor C 4, the collector electrode of the emitter of the 5th triode Q5 and the 6th triode Q6 links to each other, the tenth resistance R 10 is respectively with the positive pole of diode D, the base stage of the 7th resistance R 7 and the 4th triode Q4 links to each other, the negative pole of diode D is the collector electrode of the same second triode Q2 respectively, one end of the 7th resistance R 7 and the base stage of the 3rd triode Q3 link to each other, the emitter of the 4th triode Q4 links to each other with the base stage of the 8th resistance R 8 and the 5th resistance R 5 respectively, the collector electrode of the 3rd triode Q3 links to each other with the base stage of the 6th triode Q6, and the negative pole of the 4th capacitor C 4 is respectively with the 3rd resistance R 3, the end of the 6th resistance R 6 and loudspeaker B links to each other.
Claims (1)
1. simple and easy power amplifier, comprise triode (Q1, Q2, Q3, Q4, Q5, Q6), resistance (R1, R2, R3, R4, R5, R6, R7, R8, R9, R10), electric capacity (C1, C2, C3, C4), diode (D) and loudspeaker (B), the base stage that it is characterized in that first triode (Q1) is respectively with second resistance (R2), the positive pole of first resistance (R1) and first electric capacity (C1) links to each other, the negative pole of first electric capacity (C1) connects input, one end of first resistance (R1) is respectively with the 5th resistance (R5), the emitter of second triode (Q2), the emitter of the 6th triode (Q6), the 3rd resistance (R3), the 3rd electric capacity (C3), ground, loudspeaker (B) and negative output terminal link to each other, one end of second resistance (R2) is respectively with the 9th resistance (R9), the collector electrode of the 4th triode (Q4), the collector electrode of the 5th triode (Q5) and positive output end link to each other, the 9th electric capacity (C9) links to each other with the positive pole of the tenth electric capacity (C10) and second resistance (R2) respectively, the negative pole of second electric capacity (C2) is respectively with the 4th resistance (R4), the positive pole of the 4th electric capacity (C4), the collector electrode of the emitter of the 5th triode (Q5) and the 6th triode (Q6) links to each other, the positive pole of the same respectively diode of the tenth resistance (R10) (D), the base stage of the 7th resistance (R7) and the 4th triode (Q4) links to each other, the negative pole of diode (D) is the collector electrode of same second triode (Q2) respectively, the base stage of one end of the 7th resistance (R7) and the 3rd triode (Q3) links to each other, the emitter of the 4th triode (Q4) links to each other with the base stage of the 8th resistance (R8) and the 5th resistance (R5) respectively, the collector electrode of the 3rd triode (Q3) links to each other with the base stage of the 6th triode (Q6), and the negative pole of the 4th electric capacity (C4) is respectively with the 3rd resistance (R3), one end of the 6th resistance (R6) and loudspeaker (B) links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100129721A CN101989839A (en) | 2009-08-07 | 2009-08-07 | Simple power amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100129721A CN101989839A (en) | 2009-08-07 | 2009-08-07 | Simple power amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101989839A true CN101989839A (en) | 2011-03-23 |
Family
ID=43746224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100129721A Pending CN101989839A (en) | 2009-08-07 | 2009-08-07 | Simple power amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101989839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024660A (en) * | 2015-06-05 | 2015-11-04 | 苏州经贸职业技术学院 | Power amplifier circuit with novel structure |
-
2009
- 2009-08-07 CN CN2009100129721A patent/CN101989839A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024660A (en) * | 2015-06-05 | 2015-11-04 | 苏州经贸职业技术学院 | Power amplifier circuit with novel structure |
| CN105024660B (en) * | 2015-06-05 | 2018-01-05 | 苏州经贸职业技术学院 | A kind of novel power amplifier circuit of structure |
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Legal Events
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Zhenning Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Tang Zhimin Document name: Notification of Publication of the Application for Invention |
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| DD01 | Delivery of document by public notice |
Addressee: Tang Zhimin Document name: Notification of before Expiration of Request of Examination as to Substance |
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| DD01 | Delivery of document by public notice |
Addressee: Tang Zhimin Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110323 |