CN203180847U - Double audio power amplifying circuit for audio paying - Google Patents
Double audio power amplifying circuit for audio paying Download PDFInfo
- Publication number
- CN203180847U CN203180847U CN 201320181182 CN201320181182U CN203180847U CN 203180847 U CN203180847 U CN 203180847U CN 201320181182 CN201320181182 CN 201320181182 CN 201320181182 U CN201320181182 U CN 201320181182U CN 203180847 U CN203180847 U CN 203180847U
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- capacitor
- double
- amplification circuit
- tone
- power amplification
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Abstract
The utility model discloses a double audio power amplifying circuit for audio paying. The double audio power amplifying circuit for audio paying comprises an alternating current power source, a direct current power source, a double audio power amplifying circuit, a first loudspeaker, a second loudspeaker, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor and a thirteenth capacitor. The double audio power amplifying circuit for audio paying has the advantages of being simple in circuit, stable in performance and capable of reducing paying risk to the minimum.
Description
Technical field
The utility model relates to a kind of double-tone power amplification circuit frequently, relates in particular to a kind of double-tone frequency power amplification 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 just is to provide in order to address the above problem a kind of double-tone for audio frequency payment power amplification circuit frequently.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises AC power, DC power supply, double-tone is power amplification circuit frequently, first loud speaker, second loud speaker, first capacitor, second capacitor, the 3rd capacitor, the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11 capacitor, the 12 capacitor and the 13 capacitor, the cathode output end of AC power is connected with first end of first capacitor, second end of first capacitor is connected with the power amplifier secondary signal input of double-tone frequency power amplification circuit, the second negative feedback end of the power amplifier of double-tone frequency power amplification circuit and first end of second capacitor are connected, the cathode output end of AC power is connected with first end of the 3rd capacitor, double-tone second end of the power amplifier first signal input part box the 3rd capacitor of power amplification circuit frequently connects, the double-tone high-triggering end of power amplification circuit frequently is connected with first end of the 4th capacitor, the double-tone power amplifier secondary signal output of power amplification circuit frequently is connected with first end of the 5th capacitor, double-tone frequently power amplification circuit the supply voltage input respectively with first end of the 11 capacitor, first end of the 6th capacitor, first end of the 7th capacitor and the cathode output end of DC power supply are connected, double-tone first feedback end of the power amplifier of power amplification circuit frequently is connected with first end of the 8th capacitor, the double-tone low triggering end of power amplification circuit frequently is connected with first end of the 9th capacitor, double-tone first signal input part of the power amplifier of power amplification circuit frequently is connected with first end of the 12 capacitor, double-tone frequently power amplification circuit earth terminal ground connection, second end of the 9th capacitor is connected with first end of the tenth capacitor, second end of the 12 capacitor respectively with second end of the 11 capacitor, first end of described the 13 capacitor is connected with control end, second end of the 13 capacitor is connected with first end of second loud speaker, second end of second loud speaker is connected with first end of first loud speaker, second end of first loud speaker is connected with second end of the 8th capacitor, second end of the 5th capacitor, second end of the 6th capacitor, second end of the 7th capacitor, second end of second capacitor, second end of the 4th capacitor is connected with the cathode output end of DC power supply respectively with second end of the tenth capacitor.
The beneficial effects of the utility model are:
The utility model provides a kind of double-tone frequency power amplification 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 a kind of double-tone for audio frequency payment of the utility model circuit diagram of power amplification circuit frequently.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises AC power, DC power supply, double-tone is power amplification circuit IC frequently, the first loud speaker B1, the second loud speaker B2, the first capacitor C1, the second capacitor C2, the 3rd capacitor C3, the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6, the 7th capacitor C7, the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor C10, the 11 capacitor C11, the 12 capacitor C12 and the 13 capacitor C13, the cathode output end of AC power is connected with first end of the first capacitor C1, second end of the first capacitor C1 is connected with the power amplifier secondary signal input of double-tone frequency power amplification circuit IC, the second negative feedback end of the power amplifier of double-tone frequency power amplification circuit IC and first end of the second capacitor C2 are connected, the cathode output end of AC power is connected with first end of the 3rd capacitor C3, double-tone second end of the power amplifier first signal input part box the 3rd capacitor C3 of power amplification circuit IC frequently connects, the double-tone high-triggering end of power amplification circuit IC frequently is connected with first end of the 4th capacitor C4, the double-tone power amplifier secondary signal output of power amplification circuit IC frequently is connected with first end of the 5th capacitor C5, double-tone frequently power amplification circuit IC the supply voltage input respectively with first end of the 11 capacitor C11, first end of the 6th capacitor C6, first end of the 7th capacitor C7 and the cathode output end of DC power supply are connected, double-tone first feedback end of the power amplifier of power amplification circuit IC frequently is connected with first end of the 8th capacitor C8, the double-tone low triggering end of power amplification circuit IC frequently is connected with first end of the 9th capacitor C9, double-tone first signal input part of the power amplifier of power amplification circuit IC frequently is connected with first end of the 12 capacitor C12, double-tone frequently power amplification circuit IC earth terminal ground connection, second end of the 9th capacitor C9 is connected with first end of the tenth capacitor C10, second end of the 12 capacitor C12 respectively with second end of the 11 capacitor C11, first end of the 13 capacitor C13 is connected with control end, second end of the 13 capacitor C13 is connected with first end of the second loud speaker B2, second end of the second loud speaker B2 is connected with first end of the first loud speaker B1, second end of the first loud speaker B1 is connected with second end of the 8th capacitor C8, second end of the 5th capacitor C5, second end of the 6th capacitor C6, second end of the 7th capacitor C7, second end of the second capacitor C2, second end of second end of the 4th capacitor C4 and the tenth capacitor C10 is connected with the cathode output end of DC power supply respectively.
Claims (1)
1. one kind is used for the double-tone frequency power amplification circuit that audio frequency is paid, it is characterized in that: comprise AC power, DC power supply, double-tone is power amplification circuit frequently, first loud speaker, second loud speaker, first capacitor, second capacitor, the 3rd capacitor, the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11 capacitor, the 12 capacitor and the 13 capacitor, the cathode output end of described AC power is connected with first end of described first capacitor, second end of described first capacitor is connected with the power amplifier secondary signal input of described double-tone frequency power amplification circuit, the second negative feedback end of the power amplifier of described double-tone frequency power amplification circuit and first end of described second capacitor are connected, the cathode output end of described AC power is connected with first end of described the 3rd capacitor, described double-tone second end of described the 3rd capacitor of the power amplifier first signal input part box of power amplification circuit frequently connects, the described double-tone high-triggering end of power amplification circuit frequently is connected with first end of described the 4th capacitor, the described double-tone power amplifier secondary signal output of power amplification circuit frequently is connected with first end of described the 5th capacitor, described double-tone frequently power amplification circuit the supply voltage input respectively with first end of described the 11 capacitor, first end of described the 6th capacitor, first end of described the 7th capacitor and the cathode output end of described DC power supply are connected, described double-tone first feedback end of the power amplifier of power amplification circuit frequently is connected with first end of described the 8th capacitor, the described double-tone low triggering end of power amplification circuit frequently is connected with first end of described the 9th capacitor, described double-tone first signal input part of the power amplifier of power amplification circuit frequently is connected with first end of described the 12 capacitor, described double-tone frequently power amplification circuit earth terminal ground connection, second end of described the 9th capacitor is connected with first end of described the tenth capacitor, second end of described the 12 capacitor respectively with second end of described the 11 capacitor, first end of described the 13 capacitor is connected with described control end, second end of described the 13 capacitor is connected with first end of described second loud speaker, second end of described second loud speaker is connected with first end of described first loud speaker, second end of described first loud speaker is connected with second end of described the 8th capacitor, second end of described the 5th capacitor, second end of described the 6th capacitor, second end of described the 7th capacitor, second end of described second capacitor, second end of described the 4th capacitor is connected with the cathode output end of described DC power supply respectively with second end of described the tenth capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181182 CN203180847U (en) | 2013-04-11 | 2013-04-11 | Double audio power amplifying circuit for audio paying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181182 CN203180847U (en) | 2013-04-11 | 2013-04-11 | Double audio power amplifying circuit for audio paying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180847U true CN203180847U (en) | 2013-09-04 |
Family
ID=49077501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320181182 Expired - Fee Related CN203180847U (en) | 2013-04-11 | 2013-04-11 | Double audio power amplifying circuit for audio paying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180847U (en) |
-
2013
- 2013-04-11 CN CN 201320181182 patent/CN203180847U/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 |