CN105511544A - Adjustable voltage stabilizing circuit - Google Patents
Adjustable voltage stabilizing circuit Download PDFInfo
- Publication number
- CN105511544A CN105511544A CN201610024689.0A CN201610024689A CN105511544A CN 105511544 A CN105511544 A CN 105511544A CN 201610024689 A CN201610024689 A CN 201610024689A CN 105511544 A CN105511544 A CN 105511544A
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- China
- Prior art keywords
- resistance
- transistor
- voltage stabilizing
- resistor
- stabilizing diode
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Abstract
The invention provides an adjustable voltage stabilizing circuit for improving stability of a working circuit. The adjustable voltage stabilizing circuit is characterized by comprising a first transistor, a second transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a slide rheostat, a sixth resistor and a voltage stabilizing diode. The first resistor, the slide rheostat and the second resistor are connected in series. The third resistor and the voltage stabilizing diode are connected in series. A collector of the first transistor is connected with a positive pole of a power source. One end of the first resistor, one end of the third resistor and one end of the sixth resistor are connected with an emitter of the first transistor. The second resistor, the sixth resistor and the voltage stabilizing diode are connected with a negative pole of the power source. A base of the second transistor is connected with the sliding end of the slide rheostat. The emitter of the second transistor is connected between the third resistor and the voltage stabilizing diode. One end of the fourth resistor is connected with the positive pole of the power source. The other end of the fourth resistor, a base of the first transistor and a collector of the second transistor are connected.
Description
Technical field
The present invention relates to a kind of adjustable mu balanced circuit.
Background technology
In order to ensure the job stability of integrated circuit, generally can integrated design mu balanced circuit in integrated circuits, for ensureing the stability of the electric power output voltage of integrated circuit, but many mu balanced circuits are all uncontrollable mu balanced circuits, can not meet the demand of real work.
Summary of the invention
For solving the deficiencies in the prior art problem, the invention provides a kind of adjustable mu balanced circuit, this circuit can by regulating the sampled value in sample circuit, thus output voltage is regulated, wave filter is set in circuit simultaneously, improve the job stability of circuit, its concrete technology contents is as follows:
A kind of adjustable mu balanced circuit, comprises the first transistor, transistor seconds, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, slide rheostat, the 6th resistance and voltage stabilizing diode; First resistance, slide rheostat and the second resistant series, the 3rd resistance and voltage stabilizing diode series connection; The collector of the first transistor connects the positive pole of power supply, first resistance, the 3rd resistance and one end of the 6th resistance are connected the emitter-base bandgap grading of the first transistor respectively, second resistance, the 6th resistance are connected power cathode with voltage stabilizing diode, the base stage of transistor seconds connects the sliding end of slide rheostat, the emitter-base bandgap grading of transistor seconds is connected to the 3rd between resistance and voltage stabilizing diode, one end of 4th resistance is connected with positive source, and the other end, the base stage of the first transistor of the 4th resistance are connected with the collector of transistor seconds.
In the middle of one or more embodiment of the present invention, described voltage stabilizing diode is parallel with shunt capacitance.
In the middle of one or more embodiment of the present invention, the maximum value of described slide rheostat is 2k Ω.
The present invention compared with prior art, its advantageous exists: adopt between the first resistance in sample circuit and the second resistance and establish slide rheostat to realize the adjustable of voltage stabilizer, the base voltage of transistor seconds can be stablized with the shunt capacitance in parallel of voltage stabilizing diode, improve the stability of operating circuit.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of adjustable mu balanced circuit of the present invention.
Embodiment
Below in conjunction with accompanying drawing 1, the application's scheme is further described:
As shown in Figure 1, a kind of adjustable mu balanced circuit, comprises the first transistor T1, transistor seconds T2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, slide rheostat R5, the 6th resistance R6 and voltage stabilizing diode D1, first resistance R1, slide rheostat R5 and the second resistance R2 connect, and the 3rd resistance R3 and voltage stabilizing diode D1 connects, the collector of the first transistor T1 connects the positive pole of power supply, first resistance R1, 3rd resistance R3 is connected the emitter-base bandgap grading of the first transistor T1 respectively with one end of the 6th resistance R6, second resistance R2, 6th resistance R6 is connected power cathode with voltage stabilizing diode D1, the base stage of transistor seconds T2 connects the sliding end of slide rheostat R5, the emitter-base bandgap grading of transistor seconds T2 is connected between the 3rd resistance R3 and voltage stabilizing diode D1, one end of 4th resistance R4 is connected with positive source, the other end of the 4th resistance R4, the base stage of the first transistor T1 is connected with the collector of transistor seconds T2.
In order to ensure the voltage stability of transistor seconds T2 base stage, voltage stabilizing diode D1 is parallel with shunt capacitance C1, and the maximum value of described slide rheostat R5 is 2k Ω.
The present invention adopts between the first resistance R1 in sample circuit and the second resistance R2 and establishes slide rheostat R5 to realize the adjustable of voltage stabilizer, the base voltage of transistor seconds T2 can be stablized with the shunt capacitance in parallel of voltage stabilizing diode D1, improve the stability of operating circuit.
Above-mentioned preferred implementation should be considered as illustrating of the application's scheme implementation mode, allly to duplicate with the application's scheme, technology that is approximate or that make based on this is deduced, replaces, improvement etc., all should be considered as the protection domain of this patent.
Claims (3)
1. an adjustable mu balanced circuit, is characterized in that: comprise the first transistor, transistor seconds, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, slide rheostat, the 6th resistance and voltage stabilizing diode; First resistance, slide rheostat and the second resistant series, the 3rd resistance and voltage stabilizing diode series connection; The collector of the first transistor connects the positive pole of power supply, first resistance, the 3rd resistance and one end of the 6th resistance are connected the emitter-base bandgap grading of the first transistor respectively, second resistance, the 6th resistance are connected power cathode with voltage stabilizing diode, the base stage of transistor seconds connects the sliding end of slide rheostat, the emitter-base bandgap grading of transistor seconds is connected to the 3rd between resistance and voltage stabilizing diode, one end of 4th resistance is connected with positive source, and the other end, the base stage of the first transistor of the 4th resistance are connected with the collector of transistor seconds.
2. the adjustable mu balanced circuit of one according to claim 1, is characterized in that: described voltage stabilizing diode is parallel with shunt capacitance.
3. the adjustable mu balanced circuit of one according to claim 2, is characterized in that: the maximum value of described slide rheostat is 2k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024689.0A CN105511544A (en) | 2016-01-15 | 2016-01-15 | Adjustable voltage stabilizing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024689.0A CN105511544A (en) | 2016-01-15 | 2016-01-15 | Adjustable voltage stabilizing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105511544A true CN105511544A (en) | 2016-04-20 |
Family
ID=55719602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610024689.0A Pending CN105511544A (en) | 2016-01-15 | 2016-01-15 | Adjustable voltage stabilizing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105511544A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133813A1 (en) * | 2017-01-22 | 2018-07-26 | 李佑祥 | Device and method for electrothrombosis |
| CN110525257A (en) * | 2019-09-10 | 2019-12-03 | 河南职业技术学院 | A kind of convenient and fast new energy sources for automobile device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0280514A1 (en) * | 1987-02-23 | 1988-08-31 | SGS-THOMSON MICROELECTRONICS S.p.A. | Voltage regulator and voltage stabilizer |
| CN101763130A (en) * | 2009-12-11 | 2010-06-30 | 康佳集团股份有限公司 | Voltage-stabilizing circuit with temperature compensation |
| CN202424513U (en) * | 2011-12-15 | 2012-09-05 | 苏州合欣美电子科技有限公司 | Cascaded voltage stabilizing circuit used for power circuit of small power type |
| CN104820450A (en) * | 2015-04-29 | 2015-08-05 | 苏州固基电子科技有限公司 | Constant temperature control circuit |
| CN204631668U (en) * | 2015-05-07 | 2015-09-09 | 浙江商业职业技术学院 | Constant current regulated power supply circuit |
-
2016
- 2016-01-15 CN CN201610024689.0A patent/CN105511544A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0280514A1 (en) * | 1987-02-23 | 1988-08-31 | SGS-THOMSON MICROELECTRONICS S.p.A. | Voltage regulator and voltage stabilizer |
| CN101763130A (en) * | 2009-12-11 | 2010-06-30 | 康佳集团股份有限公司 | Voltage-stabilizing circuit with temperature compensation |
| CN202424513U (en) * | 2011-12-15 | 2012-09-05 | 苏州合欣美电子科技有限公司 | Cascaded voltage stabilizing circuit used for power circuit of small power type |
| CN104820450A (en) * | 2015-04-29 | 2015-08-05 | 苏州固基电子科技有限公司 | Constant temperature control circuit |
| CN204631668U (en) * | 2015-05-07 | 2015-09-09 | 浙江商业职业技术学院 | Constant current regulated power supply circuit |
Non-Patent Citations (1)
| Title |
|---|
| 佚名: "可调电源电路的分析", 《HTTP://WWW.360DOC.COM/CONTENT/14/1203/17/12109864_430153472.SHTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133813A1 (en) * | 2017-01-22 | 2018-07-26 | 李佑祥 | Device and method for electrothrombosis |
| CN110525257A (en) * | 2019-09-10 | 2019-12-03 | 河南职业技术学院 | A kind of convenient and fast new energy sources for automobile device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |
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| RJ01 | Rejection of invention patent application after publication |