CN203289318U - Novel power amplifier power supply circuit - Google Patents
Novel power amplifier power supply circuit Download PDFInfo
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- CN203289318U CN203289318U CN2013203553515U CN201320355351U CN203289318U CN 203289318 U CN203289318 U CN 203289318U CN 2013203553515 U CN2013203553515 U CN 2013203553515U CN 201320355351 U CN201320355351 U CN 201320355351U CN 203289318 U CN203289318 U CN 203289318U
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- capacitor
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- operational amplifier
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Abstract
The utility model discloses a novel power amplifier power supply circuit mainly solving the problems that an anti-interference power supply existing in the prior art is complicated in structure and higher in cost. The novel power amplifier power supply circuit comprises a CM1117-3.3, an electrolytic capacitor C1 and a capacitor C2 both connected between the input end of the CM1117-3.3 and the ground, a capacitor C3 and an electrolytic capacitor C4 both connected between the output end of the CM1117-3.3 and the ground, a resistor R1 and a diode D1 in parallel connection between the two ends of the capacitor C3 after being connected in series, a detector circuit connected with the diode D1, a filter circuit connected with the detector circuit, and an amplification circuit connected with the filter circuit. By the above scheme, the novel power amplifier power supply circuit of the utility model achieves the purposes of possessing a better anti-interference capability, and being low in cost and compact in volume, and has very high practical value and popularization value.
Description
Technical field
The utility model relates to a kind of power supply, specifically, relates to a kind of Novel power amplifier power circuit.
Background technology
Power supply is the indispensable devices of most of electric equipments, in order to make each electric equipment can normally move the stability that need to guarantee as much as possible Power supply, thereby need to use a lot of anti-interference equipments, can cause like this power volume larger, cost is higher, is unfavorable for some mini-plant uses cheaply.
The utility model content
The purpose of this utility model is to provide a kind of Novel power amplifier power circuit, mainly solves the high accuracy anti-jamming power-supply complex structure that exists in prior art, the problem that cost is higher.
To achieve these goals, the technical solution adopted in the utility model is as follows:
the Novel power amplifier power circuit, comprise CM1117-3.3, all be connected in the input of CM1117-3.3 and the electrochemical capacitor C1 between ground and capacitor C 2, all be connected in output and the capacitor C between ground 3 and the electrochemical capacitor C4 of CM1117-3.3, be parallel to resistance R 1 and the diode D1 at capacitor C 3 two ends after series connection, the detecting circuit that is connected with diode D1, the filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with filter circuit, described filter circuit comprises the resistance R 4 of in-phase input end by connecting, resistance R 3, the operational amplifier T2 that capacitor C 5 is connected with detecting circuit, one end is connected between resistance R 3 and resistance R 4, the other end is connected in the capacitor C 6 of the output of operational amplifier T2, one end is connected between capacitor C 5 and resistance R 3, the resistance R 5 of other end ground connection, the inverting input of described operational amplifier T2 is connected with output, described amplifying circuit comprises that inverting input passes through the operational amplifier T3 that resistance R 8 is connected with output, one end is connected with the inverting input of operational amplifier T3, the other end passes through respectively the resistance R 6 of diode D5 and series connection, the resistance R 7 that diode D4 is connected with the output of operational amplifier T2.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the end of diode D1, inverting input is connected with the other end of diode D1 by resistance R 2, be connected in the output of operational amplifier T1 and the diode D2 between inverting input, described capacitor C 5 is connected with the inverting input of operational amplifier T1.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is integrated filter circuit, power circuit, detecting circuit, Design of Amplification Circuit, and according to actual conditions, has selected the components and parts that cost is minimum, effect is best to carry out circuit design, accords with the demands of the market.
(2) in the utility model, adopt and both to have had circuit that high pass filter function also has the low-pass filtering function as filter circuit, circuit structure is very ingenious, and the filtering effect is fairly obvious, realistic demand.
(3) the utility model is simple in structure, uses less components and parts to realize anti-interference function, and with low cost, volume is small and exquisite, is fit to large-scale promotion application.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and execution mode of the present utility model includes but not limited to the following example.
Embodiment
as shown in Figure 1, the utility model discloses a kind of Novel power amplifier power circuit, comprise CM1117-3.3, all be connected in the input of CM1117-3.3 and the electrochemical capacitor C1 between ground and capacitor C 2, all be connected in output and the capacitor C between ground 3 and the electrochemical capacitor C4 of CM1117-3.3, be parallel to resistance R 1 and the diode D1 at capacitor C 3 two ends after series connection, the detecting circuit that is connected with diode D1, the filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with filter circuit, described filter circuit comprises the resistance R 4 of in-phase input end by connecting, resistance R 3, the operational amplifier T2 that capacitor C 5 is connected with detecting circuit, one end is connected between resistance R 3 and resistance R 4, the other end is connected in the capacitor C 6 of the output of operational amplifier T2, one end is connected between capacitor C 5 and resistance R 3, the resistance R 5 of other end ground connection, the inverting input of described operational amplifier T2 is connected with output, described amplifying circuit comprises that inverting input passes through the operational amplifier T3 that resistance R 8 is connected with output, one end is connected with the inverting input of operational amplifier T3, the other end passes through respectively the resistance R 6 of diode D5 and series connection, the resistance R 7 that diode D4 is connected with the output of operational amplifier T2.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the end of diode D1, inverting input is connected with the other end of diode D1 by resistance R 2, be connected in the output of operational amplifier T1 and the diode D2 between inverting input, described capacitor C 5 is connected with the inverting input of operational amplifier T1.
On the basis of foregoing circuit, the present embodiment also is connected with part auxiliary element and line, is used for guaranteeing the normal operation of circuit, and the use of these auxiliary elements and line belongs to the circuit application custom of industry universal, does not repeat them here.
, according to above-described embodiment, just can realize well the utility model.
Claims (2)
1. Novel power amplifier power circuit, it is characterized in that, comprise CM1117-3.3, all be connected in the input of CM1117-3.3 and the electrochemical capacitor C1 between ground and capacitor C 2, all be connected in output and the capacitor C between ground 3 and the electrochemical capacitor C4 of CM1117-3.3, be parallel to resistance R 1 and the diode D1 at capacitor C 3 two ends after series connection, the detecting circuit that is connected with diode D1, the filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with filter circuit, described filter circuit comprises the resistance R 4 of in-phase input end by connecting, resistance R 3, the operational amplifier T2 that capacitor C 5 is connected with detecting circuit, one end is connected between resistance R 3 and resistance R 4, the other end is connected in the capacitor C 6 of the output of operational amplifier T2, one end is connected between capacitor C 5 and resistance R 3, the resistance R 5 of other end ground connection, the inverting input of described operational amplifier T2 is connected with output, described amplifying circuit comprises that inverting input passes through the operational amplifier T3 that resistance R 8 is connected with output, one end is connected with the inverting input of operational amplifier T3, the other end passes through respectively the resistance R 6 of diode D5 and series connection, the resistance R 7 that diode D4 is connected with the output of operational amplifier T2.
2. Novel power amplifier power circuit according to claim 1, it is characterized in that, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the end of diode D1, inverting input is connected with the other end of diode D1 by resistance R 2, be connected in the output of operational amplifier T1 and the diode D2 between inverting input, described capacitor C 5 is connected with the inverting input of operational amplifier T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203553515U CN203289318U (en) | 2013-06-20 | 2013-06-20 | Novel power amplifier power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203553515U CN203289318U (en) | 2013-06-20 | 2013-06-20 | Novel power amplifier power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289318U true CN203289318U (en) | 2013-11-13 |
Family
ID=49545660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203553515U Expired - Lifetime CN203289318U (en) | 2013-06-20 | 2013-06-20 | Novel power amplifier power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289318U (en) |
-
2013
- 2013-06-20 CN CN2013203553515U patent/CN203289318U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU BOST INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHENGDU BOOST TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee after: CHENGDU BOOST INFORMATION TECHNOLOGY Co.,Ltd. Address before: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee before: CHENGDU BOOST TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
|
| CX01 | Expiry of patent term |