CN203289306U - Voltage stabilization type power amplifier power supply - Google Patents
Voltage stabilization type power amplifier power supply Download PDFInfo
- Publication number
- CN203289306U CN203289306U CN2013203553089U CN201320355308U CN203289306U CN 203289306 U CN203289306 U CN 203289306U CN 2013203553089 U CN2013203553089 U CN 2013203553089U CN 201320355308 U CN201320355308 U CN 201320355308U CN 203289306 U CN203289306 U CN 203289306U
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- Prior art keywords
- triode
- resistance
- operational amplifier
- emitter
- power supply
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Abstract
The utility model discloses a voltage stabilization type power amplifier power supply mainly solving the problems that an anti-interference power supply existing in the prior art is complicated in structure and higher in cost. The voltage stabilization type power amplifier power supply is characterized by comprising a triode Q1, a triode Q2 of which a collector is connected with a base of the triode Q1, a resistor R2 connected between an emitter of the triode Q1 and an emitter of the triode Q2, a resistor R1 connected between the collector of the triode Q1 and a collector of the triode Q2, a slide rheostat R4 of which the sliding end is connected with a base of the triode Q2, a resistor R6 connected between the emitter of the triode Q1 and the emitter of the triode Q2, a detector circuit connected with the resistor R6, a low pass filter circuit connected with the detector circuit, and an amplification circuit connected with the low pass filter circuit. By the above scheme, the voltage stabilization type power amplifier power supply 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 voltage regulation type amplifier power supply.
Background technology
Amplifier 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 voltage regulation type amplifier power supply, 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 voltage regulation type amplifier power supply, comprise triode Q1, the triode Q2 that collector electrode is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector electrode of the collector electrode of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the low-pass filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with low-pass filter circuit.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
specifically, described low-pass filter circuit comprises the resistance R 9 that inverting input passes through to be connected successively, the operational amplifier T2 that resistance R 8 is connected with the inverting input of operational amplifier T1, the resistance R 11 of inverting input by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 8 and resistance R 9, the other end is connected in the capacitor C 1 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 2 of the output of operational amplifier T3, the inverting input of described operational amplifier T2 and operational amplifier T3 is connected with respectively a ground capacity, and in-phase input end both all is connected with output, described amplifying circuit is connected with the output of operational amplifier T3.
Further, described amplifying circuit comprises the triode Q3 that base stage is connected with the output of operational amplifier T3, the operational amplifier T4 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output 3 of operational amplifier T4, be parallel to capacitor C 5 and the resistance R 16 at capacitor C 3 two ends after series connection.
Further, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T4, be connected in reverse input end and the resistance R between ground 15 of operational amplifier T4.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is integrated low-pass 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) adopt dual low-pass filter circuit in the utility model, greatly improved the antijamming capability of power circuit, improved the stability of supply voltage.
(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 voltage regulation type amplifier power supply, comprise triode Q1, the triode Q2 that collector electrode is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector electrode of the collector electrode of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the low-pass filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with low-pass filter circuit.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
specifically, described low-pass filter circuit comprises the resistance R 9 that inverting input passes through to be connected successively, the operational amplifier T2 that resistance R 8 is connected with the inverting input of operational amplifier T1, the resistance R 11 of inverting input by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 8 and resistance R 9, the other end is connected in the capacitor C 1 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 2 of the output of operational amplifier T3, the inverting input of described operational amplifier T2 and operational amplifier T3 is connected with respectively a ground capacity, and in-phase input end both all is connected with output, described amplifying circuit is connected with the output of operational amplifier T3.
Further, described amplifying circuit comprises the triode Q3 that base stage is connected with the output of operational amplifier T3, the operational amplifier T4 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output 3 of operational amplifier T4, be parallel to capacitor C 5 and the resistance R 16 at capacitor C 3 two ends after series connection.
Further, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T4, be connected in reverse input end and the resistance R between ground 15 of operational amplifier T4.
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 (5)
1. voltage regulation type amplifier power supply, it is characterized in that, comprise triode Q1, the triode Q2 that collector electrode is connected with the base stage of triode Q1, be connected in the resistance R 2 between the emitter of the emitter of triode Q1 and triode Q2, be connected in the resistance R 1 between the collector electrode of the collector electrode of triode Q1 and triode Q2, the slide rheostat R4 that sliding end is connected with the base stage of triode Q2, one end is connected in one of them stiff end of slide rheostat R4, the other end is connected in the resistance R 3 of the emitter of triode Q1, one end is connected in another stiff end of slide rheostat R4, the other end is connected in the resistance R 5 of the emitter of triode Q2, be connected in the resistance R 6 between the emitter of the emitter of triode Q1 and triode Q2, the detecting circuit that is connected with resistance R 6, the low-pass filter circuit that is connected with detecting circuit, the amplifying circuit that is connected with low-pass filter circuit.
2. voltage regulation type amplifier power supply according to claim 1, it is characterized in that, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D2 is connected with an end of resistance R 6, inverting input is connected with the other end of resistance R 6 by resistance R 7, be connected in the output of operational amplifier T1 and the diode D1 between inverting input, the in-phase input end ground connection of described operational amplifier T1, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
3. voltage regulation type amplifier power supply according to claim 2, it is characterized in that, described low-pass filter circuit comprises the resistance R 9 that inverting input passes through to be connected successively, the operational amplifier T2 that resistance R 8 is connected with the inverting input of operational amplifier T1, the resistance R 11 of inverting input by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 8 and resistance R 9, the other end is connected in the capacitor C 1 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 2 of the output of operational amplifier T3, the inverting input of described operational amplifier T2 and operational amplifier T3 is connected with respectively a ground capacity, and in-phase input end both all is connected with output, described amplifying circuit is connected with the output of operational amplifier T3.
4. voltage regulation type amplifier power supply according to claim 3, it is characterized in that, described amplifying circuit comprises the triode Q3 that base stage is connected with the output of operational amplifier T3, the operational amplifier T4 that in-phase input end is connected with the emitter of triode Q3 by electrochemical capacitor C4, be connected in inverting input and the capacitor C between output 3 of operational amplifier T4, be parallel to capacitor C 5 and the resistance R 16 at capacitor C 3 two ends after series connection.
5. voltage regulation type amplifier power supply according to claim 4, it is characterized in that, described amplifying circuit also comprises base stage and the resistance R between ground 12 that is connected in triode Q3, be connected in emitter and the resistance R between ground 13 of triode Q3, be connected in in-phase input end and the resistance R between ground 14 of operational amplifier T4, be connected in reverse input end and the resistance R between ground 15 of operational amplifier T4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203553089U CN203289306U (en) | 2013-06-20 | 2013-06-20 | Voltage stabilization type power amplifier power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203553089U CN203289306U (en) | 2013-06-20 | 2013-06-20 | Voltage stabilization type power amplifier power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289306U true CN203289306U (en) | 2013-11-13 |
Family
ID=49545648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203553089U Expired - Lifetime CN203289306U (en) | 2013-06-20 | 2013-06-20 | Voltage stabilization type power amplifier power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289306U (en) |
-
2013
- 2013-06-20 CN CN2013203553089U patent/CN203289306U/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 |