CN203181208U - Integrated audio frequency amplification circuit for audio payment - Google Patents
Integrated audio frequency amplification circuit for audio payment Download PDFInfo
- Publication number
- CN203181208U CN203181208U CN 201320181803 CN201320181803U CN203181208U CN 203181208 U CN203181208 U CN 203181208U CN 201320181803 CN201320181803 CN 201320181803 CN 201320181803 U CN201320181803 U CN 201320181803U CN 203181208 U CN203181208 U CN 203181208U
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- China
- Prior art keywords
- resistor
- capacitor
- audio
- amplifier circuit
- standby
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- Expired - Fee Related
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Abstract
The utility model discloses an integrated audio frequency amplification circuit for audio payment, which comprises a DC power supply, a first audio frequency amplification circuit, a second audio frequency amplification circuit, a volume controller, a volume control switch, a standby/silencing/work controller, a standby/silencing/work switch, a conversion switch, a loudspeaker, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor and a sixth resistor. The integrated audio frequency amplification circuit for audio payment provides an integrated audio frequency amplification circuit for audio payment, which has advantages of a simple circuit, stability and low risk of payment.
Description
Technical field
The utility model relates to a kind of integrated audio amplifying circuit, relates in particular to a kind of integrated audio amplifying circuit for the audio frequency payment.
Background technology
At present, because people's growth in the living standard, people are more and more higher to the demand of material, and people had worked out and utilized audio media to finish payment function in recent years, but utilize audio media payment perfect not enough, from cause payment from risk in several factors.
The utility model content
The purpose of this utility model provides a kind of integrated audio amplifying circuit for the audio frequency payment 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 DC power supply, first audio amplifier circuit, second audio amplifier circuit, volume controller, volume control switch, standby/noise elimination/working controller, standby/noise elimination/operating switch, change over switch, loud speaker, first capacitor, second capacitor, the 3rd capacitor, the 4th capacitor, first resistor, second resistor, the 3rd resistor, the 4th resistor, the 5th resistor and the 6th resistor, first end of described first capacitor is connected with first end of audio frequency input, first end of described the 4th capacitor is connected with second end of described audio frequency input, first end of described first capacitor is connected with first end of described volume controller, the control end of described volume controller is connected with described volume control switch first end, second end of described volume controller respectively with described standby/noise elimination/working controller first end, described standby/first end of noise elimination/work, first end of described second capacitor is connected with first end of described the 3rd capacitor, second end of described the 4th capacitor respectively with first end of described first resistor, first end of described second resistor, first end of described the 3rd resistor is connected with the negative input of described second audio amplifier circuit, described standby/working end of noise elimination/operating switch is connected with the negative pole of described DC power supply and second end of described volume control switch respectively, described standby/second end of noise elimination/work is connected with the cathode output end of described DC power supply, the electrode input end of described second audio amplifier circuit is connected with first end of described the 5th resistor and first end of described the 6th resistor respectively, second end of described the 6th resistor is connected with the power take-off of described second audio amplifier circuit and first end of described loud speaker respectively, second end of described the 5th resistor is connected with second end of described loud speaker and the power take-off of described first audio amplifier circuit respectively, second end of described volume controller is connected with the normal phase input end of described first audio amplifier circuit, the reverse input end of described first audio amplifier circuit is connected second end of described second capacitor with second end of described the 3rd resistor and second end of described the 4th resistor respectively, second end of described the 3rd capacitor is connected with the cathode output end of described DC power supply respectively with second end of described second resistor.
The beneficial effects of the utility model are:
The utility model provides a kind of integrated audio amplifying circuit of audio frequency payment.The utlity model has that circuit is simple, stable performance and can make payment risk drop to minimum advantage.
Description of drawings
Fig. 1 is the circuit diagram of a kind of integrated audio amplifying circuit for audio frequency payment described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises DC power supply, the first audio amplifier circuit RPE1, the second audio amplifier circuit RPE2, volume controller, volume control switch S2, standby/noise elimination/working controller, standby/noise elimination/operating switch S1, change over switch VP, loud speaker BL, the first capacitor C1, the second capacitor C2, the 3rd capacitor C3, the 4th capacitor C4, the first resistor R1, the second resistor R2, the 3rd resistor R3, the 4th resistor R4, the 5th resistor R5 and the 6th resistor R6, first end of the first capacitor C1 is connected with first end of audio frequency input, first end of the 4th capacitor C4 is connected with second end of audio frequency input, first end of the first capacitor C1 is connected with first end of volume controller, the control end of volume controller is connected with volume control switch S2 first end, second end of volume controller respectively with first end of standby/noise elimination/working controller, first end of standby/noise elimination/work, first end of the second capacitor C2 is connected with first end of the 3rd capacitor C3, second end of the 4th capacitor C4 respectively with first end of the first resistor R1, first end of the second resistor R2, first end of the 3rd resistor R3 is connected with the negative input of the second audio amplifier circuit RPE2, the working end of standby/noise elimination/operating switch S1 is connected with the negative pole of DC power supply and second end of volume control switch S2 respectively, second end of standby/noise elimination/work is connected with the cathode output end of DC power supply, the electrode input end of the second audio amplifier circuit RPE2 is connected with first end of the 5th resistor R5 and first end of the 6th resistor R6 respectively, second end of the 6th resistor R6 is connected with the power take-off of the second audio amplifier circuit RPE2 and first end of loud speaker BL respectively, second end of the 5th resistor R5 is connected with second end of loud speaker BL and the power take-off of the first audio amplifier circuit RPE1 respectively, second end of volume controller is connected with the normal phase input end of the first audio amplifier circuit RPE1, the reverse input end of the first audio amplifier circuit RPE1 is connected second end of the second capacitor C2 with second end of the 3rd resistor R3 and second end of the 4th resistor R4 respectively, second end of second end of the 3rd capacitor C3 and the second resistor R2 is connected with the cathode output end of DC power supply respectively.
Claims (1)
1. one kind is used for the integrated audio amplifying circuit that audio frequency is paid, it is characterized in that: comprise DC power supply, first audio amplifier circuit, second audio amplifier circuit, volume controller, volume control switch, standby/noise elimination/working controller, standby/noise elimination/operating switch, change over switch, loud speaker, first capacitor, second capacitor, the 3rd capacitor, the 4th capacitor, first resistor, second resistor, the 3rd resistor, the 4th resistor, the 5th resistor and the 6th resistor, first end of described first capacitor is connected with first end of audio frequency input, first end of described the 4th capacitor is connected with second end of described audio frequency input, first end of described first capacitor is connected with first end of described volume controller, the control end of described volume controller is connected with described volume control switch first end, second end of described volume controller respectively with described standby/noise elimination/working controller first end, described standby/first end of noise elimination/work, first end of described second capacitor is connected with first end of described the 3rd capacitor, second end of described the 4th capacitor respectively with first end of described first resistor, first end of described second resistor, first end of described the 3rd resistor is connected with the negative input of described second audio amplifier circuit, described standby/working end of noise elimination/operating switch is connected with the negative pole of described DC power supply and second end of described volume control switch respectively, described standby/second end of noise elimination/work is connected with the cathode output end of described DC power supply, the electrode input end of described second audio amplifier circuit is connected with first end of described the 5th resistor and first end of described the 6th resistor respectively, second end of described the 6th resistor is connected with the power take-off of described second audio amplifier circuit and first end of described loud speaker respectively, second end of described the 5th resistor is connected with second end of described loud speaker and the power take-off of described first audio amplifier circuit respectively, second end of described volume controller is connected with the normal phase input end of described first audio amplifier circuit, the reverse input end of described first audio amplifier circuit is connected second end of described second capacitor with second end of described the 3rd resistor and second end of described the 4th resistor respectively, second end of described the 3rd capacitor is connected with the cathode output end of described DC power supply respectively with second end of described second resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181803 CN203181208U (en) | 2013-04-11 | 2013-04-11 | Integrated audio frequency amplification circuit for audio payment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181803 CN203181208U (en) | 2013-04-11 | 2013-04-11 | Integrated audio frequency amplification circuit for audio payment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203181208U true CN203181208U (en) | 2013-09-04 |
Family
ID=49077860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320181803 Expired - Fee Related CN203181208U (en) | 2013-04-11 | 2013-04-11 | Integrated audio frequency amplification circuit for audio payment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203181208U (en) |
-
2013
- 2013-04-11 CN CN 201320181803 patent/CN203181208U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140411 |