CN205081763U - Regulation and control formula earphone integrated amplifier circuit - Google Patents
Regulation and control formula earphone integrated amplifier circuit Download PDFInfo
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- CN205081763U CN205081763U CN201520764117.7U CN201520764117U CN205081763U CN 205081763 U CN205081763 U CN 205081763U CN 201520764117 U CN201520764117 U CN 201520764117U CN 205081763 U CN205081763 U CN 205081763U
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- amplifier
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Abstract
The utility model belongs to the technical field of audio technology and specifically relates to a regulation and control formula earphone integrated amplifier circuit. It includes that a controlling resistor, the 2nd controlling resistor, second fortune are put, third fortune is put, the 5th fortune is put and the 6th fortune is put, the homophase end that a controlling resistor's adjustable end and the 5th fortune were put is connected, and the inverting terminal that the 5th fortune was put is connected through the tenth resistance and the output that the 6th fortune was put, and homophase end that the 6th fortune was put and the output that the 5th fortune was put are connected, the homophase end that the 2nd controlling resistor's adjustable end and second fortune were put is connected, and the inverting terminal that second fortune was put is connected through fourth resistance and the output that third fortune was put, and homophase end that third fortune was put and the output that second fortune was put are connected. The utility model discloses circuit structure is simple, and convenient operation has very strong practicality.
Description
Technical field
The utility model relates to Audiotechnica field, especially a kind of controlling type earphone integrated amplifier circuit.
Background technology
As everyone knows, the kind of earphone is varied, and the tonequality of all kinds of earphone is also different.The quality of earphone, depends primarily on the good and bad of tonequality.Lifting for earphone tonequality often adopts and adds an amplifier, utilizes amplifier to realize the lifting of tonequality.At present, existing Earphone Amplifier ubiquity: circuit structure is complicated; Tonequality promotes the problems such as effect is not strong.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of controlling type earphone integrated amplifier circuit.
To achieve these goals, the utility model adopts following technical scheme:
A kind of controlling type earphone integrated amplifier circuit, it comprises the first adjustable resistance, the second adjustable resistance, the first amplifier, the second amplifier, the 3rd amplifier, four high guaily unit, the 5th amplifier and the 6th amplifier;
The stiff end access signal of described first adjustable resistance and the second adjustable resistance, the adjustable end of described first adjustable resistance is connected with the in-phase end of the 5th amplifier and passes through the 8th grounding through resistance, the positive power source terminal of described 5th amplifier and negative power end also access L channel power supply respectively by the 11 electric capacity and the tenth capacity earth simultaneously, the end of oppisite phase of described 5th amplifier passes through the 9th grounding through resistance and is connected with the output of four high guaily unit and the output of the 6th amplifier with the tenth resistance respectively by the 7th resistance, the in-phase end of described four high guaily unit is also connected with the output of the 6th amplifier by the 11 resistance by the 9th capacity earth, the positive power source terminal of described 6th amplifier is respectively by the 12 electric capacity and the 13 capacity earth and access L channel power supply, the negative power end of described 6th amplifier is respectively by the 14 electric capacity and the 15 capacity earth and access L channel power supply, the end of oppisite phase of described 6th amplifier is by the 14 capacity earth, the in-phase end of described 6th amplifier is connected with the output of the 5th amplifier, the output output signal of described 6th amplifier,
The adjustable end of described second adjustable resistance is connected with the in-phase end of the second amplifier and passes through the first grounding through resistance, positive power source terminal and the negative power end of described second amplifier all access R channel power supply, the end of oppisite phase of described second amplifier passes through the second grounding through resistance and is connected with the output of the first amplifier and the output of the 3rd amplifier with the 4th resistance respectively by the 3rd resistance, the output of described first amplifier and in-phase end are parallel with the 3rd electric capacity, the end of oppisite phase of described first amplifier is by the 5th grounding through resistance, the in-phase end of described first amplifier is also connected with the output of the 3rd amplifier by the 6th resistance by the 4th capacity earth, the positive power source terminal of described 3rd amplifier is respectively by the 7th electric capacity and the 8th capacity earth and access R channel power supply, the negative supply of described 3rd amplifier is respectively by the 5th electric capacity and the 6th capacity earth and access R channel power supply, the end of oppisite phase of described 3rd amplifier is by the 5th capacity earth, the in-phase end of described 3rd amplifier is connected with the output of the second amplifier, the output output signal of described 3rd amplifier.
Owing to have employed such scheme, the utility model realizes the regulation and control of signal input power by the first adjustable resistance and the second adjustable resistance, thus controls the size of sound; Meanwhile, utilize the first amplifier and four high guaily unit to realize the amplification of signal, and utilize the 5th amplifier and the 6th amplifier, the second amplifier and the 3rd amplifier composition voltage stabilizing circuit, voltage stabilizing process is carried out to signal, its circuit structure is simple, easy to operate, has very strong practicality.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, a kind of controlling type earphone integrated amplifier circuit that the present embodiment provides, it comprises the first adjustable resistance RX1, the second adjustable resistance RX2, the first amplifier A1, the second amplifier A2, the 3rd amplifier A3, four high guaily unit A4, the 5th amplifier A5 and the 6th amplifier A6;
The stiff end access signal of the first adjustable resistance RX1 and the second adjustable resistance RX2, the adjustable end of the first adjustable resistance RX1 is connected with the in-phase end of the 5th amplifier A5 and passes through the 8th resistance R8 ground connection, the positive power source terminal of the 5th amplifier A5 and negative power end also access L channel power supply respectively by the 11 electric capacity C11 and the tenth electric capacity C10 ground connection simultaneously, the end of oppisite phase of the 5th amplifier A5 passes through the 9th resistance R9 ground connection and is connected with the output of four high guaily unit A4 and the output of the 6th amplifier A6 with the tenth resistance R10 respectively by the 7th resistance R7, the in-phase end of four high guaily unit A4 is also connected with the output of the 6th amplifier A6 by the 11 resistance R11 by the 9th electric capacity C9 ground connection, the positive power source terminal of the 6th amplifier A6 is respectively by the 12 electric capacity C12 and the 13 electric capacity C13 ground connection and access L channel power supply, the negative power end of the 6th amplifier A6 is respectively by the 14 electric capacity C14 and the 15 electric capacity C15 ground connection and access L channel power supply, the end of oppisite phase of the 6th amplifier A6 is by the 14 electric capacity C14 ground connection, the in-phase end of the 6th amplifier A6 is connected with the output of the 5th amplifier A5, the output output signal of the 6th amplifier A6,
The adjustable end of the second adjustable resistance RX2 is connected with the in-phase end of the second amplifier A2 and passes through the first resistance R1 ground connection, the positive power source terminal of the second amplifier A2 and negative power end all access R channel power supply, the end of oppisite phase of the second amplifier A2 passes through the second resistance R2 ground connection and is connected with the output of the first amplifier A1 and the output of the 3rd amplifier A3 with the 4th resistance R4 respectively by the 3rd resistance R3, the output of the first amplifier A1 and in-phase end are parallel with the 3rd electric capacity C3, the end of oppisite phase of the first amplifier A1 is by the 5th resistance R5 ground connection, the in-phase end of the first amplifier A1 is also connected with the output of the 3rd amplifier A3 by the 6th resistance R6 by the 4th electric capacity C4 ground connection, the positive power source terminal of the 3rd amplifier A3 is respectively by the 7th electric capacity C7 and the 8th electric capacity C8 ground connection and access R channel power supply, the negative supply of the 3rd amplifier A3 is respectively by the 5th electric capacity C5 and the 6th electric capacity C6 ground connection and access R channel power supply, the end of oppisite phase of the 3rd amplifier A3 is by the 5th electric capacity C5 ground connection, the in-phase end of the 3rd amplifier A3 is connected with the output of the second amplifier A2, the output output signal of the 3rd amplifier A3.
The present embodiment realizes the regulation and control of signal input power by the first adjustable resistance RX1 and the second adjustable resistance RX2, thus controls the size of sound; Meanwhile, utilize the first amplifier A1 and four high guaily unit A4 to realize the amplification of signal, and utilize the 5th amplifier A5 and the 6th amplifier A6, the second amplifier A2 and the 3rd amplifier A3 to form voltage stabilizing circuit, voltage stabilizing process is carried out to signal, to meet the raising to tonequality.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (1)
1. a controlling type earphone integrated amplifier circuit, is characterized in that: it comprises the first adjustable resistance, the second adjustable resistance, the first amplifier, the second amplifier, the 3rd amplifier, four high guaily unit, the 5th amplifier and the 6th amplifier;
The stiff end access signal of described first adjustable resistance and the second adjustable resistance, the adjustable end of described first adjustable resistance is connected with the in-phase end of the 5th amplifier and passes through the 8th grounding through resistance, the positive power source terminal of described 5th amplifier and negative power end also access L channel power supply respectively by the 11 electric capacity and the tenth capacity earth simultaneously, the end of oppisite phase of described 5th amplifier passes through the 9th grounding through resistance and is connected with the output of four high guaily unit and the output of the 6th amplifier with the tenth resistance respectively by the 7th resistance, the in-phase end of described four high guaily unit is also connected with the output of the 6th amplifier by the 11 resistance by the 9th capacity earth, the positive power source terminal of described 6th amplifier is respectively by the 12 electric capacity and the 13 capacity earth and access L channel power supply, the negative power end of described 6th amplifier is respectively by the 14 electric capacity and the 15 capacity earth and access L channel power supply, the end of oppisite phase of described 6th amplifier is by the 14 capacity earth, the in-phase end of described 6th amplifier is connected with the output of the 5th amplifier, the output output signal of described 6th amplifier,
The adjustable end of described second adjustable resistance is connected with the in-phase end of the second amplifier and passes through the first grounding through resistance, positive power source terminal and the negative power end of described second amplifier all access R channel power supply, the end of oppisite phase of described second amplifier passes through the second grounding through resistance and is connected with the output of the first amplifier and the output of the 3rd amplifier with the 4th resistance respectively by the 3rd resistance, the output of described first amplifier and in-phase end are parallel with the 3rd electric capacity, the end of oppisite phase of described first amplifier is by the 5th grounding through resistance, the in-phase end of described first amplifier is also connected with the output of the 3rd amplifier by the 6th resistance by the 4th capacity earth, the positive power source terminal of described 3rd amplifier is respectively by the 7th electric capacity and the 8th capacity earth and access R channel power supply, the negative supply of described 3rd amplifier is respectively by the 5th electric capacity and the 6th capacity earth and access R channel power supply, the end of oppisite phase of described 3rd amplifier is by the 5th capacity earth, the in-phase end of described 3rd amplifier is connected with the output of the second amplifier, the output output signal of described 3rd amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764117.7U CN205081763U (en) | 2015-09-29 | 2015-09-29 | Regulation and control formula earphone integrated amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764117.7U CN205081763U (en) | 2015-09-29 | 2015-09-29 | Regulation and control formula earphone integrated amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081763U true CN205081763U (en) | 2016-03-09 |
Family
ID=55434135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520764117.7U Expired - Fee Related CN205081763U (en) | 2015-09-29 | 2015-09-29 | Regulation and control formula earphone integrated amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081763U (en) |
-
2015
- 2015-09-29 CN CN201520764117.7U patent/CN205081763U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20160929 |