JPS582018U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS582018U JPS582018U JP9397381U JP9397381U JPS582018U JP S582018 U JPS582018 U JP S582018U JP 9397381 U JP9397381 U JP 9397381U JP 9397381 U JP9397381 U JP 9397381U JP S582018 U JPS582018 U JP S582018U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- emitter
- base
- collector
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の電源回路を示す回路図、第2図はこの考
案の一実施例を示す回路図である。
11.12・・・・・・整流回路、15.16・・曲負
荷回路、T、1〜Tr7・・・・・・トランジスタ、R
1〜R1o・・・・・・抵抗。FIG. 1 is a circuit diagram showing a conventional power supply circuit, and FIG. 2 is a circuit diagram showing an embodiment of this invention. 11.12... Rectifier circuit, 15.16... Curved load circuit, T, 1 to Tr7... Transistor, R
1~R1o...Resistance.
Claims (1)
と、第1の整流回路の出力端と第1の負荷回路間にエミ
ッタ・コレクタ路が接続された第1の制御トランジスタ
と、この第1の制御トランジスタの出力電圧を分圧して
取出すための抵抗分圧回路と、前記第1の制御トランジ
スタのベースにコレクタが接続され、前記分圧回路にベ
ースが接続され、エミッタが基準電圧源に接続された第
1の誤差増幅トランジスタと、この第1の誤差増幅トラ
ンジスタのエミッタに抵抗を介してコレクタが接続され
た第3のトランジスタと、前記第2の整流回路の出力端
と第2の負荷回路間にエミッタ・コレクタ路が接続され
た第2の制御トランジスタと、この第2の制御トランジ
スタの出力電圧を分圧して取出すための抵抗分圧回路と
、前記第2の制御トランジスタのベースにコレクタが接
続され、前記分圧回路にベースが接続され、エミッタが
基準電圧源に接続された第2の誤差増幅トランジスタと
、この第2の誤差増幅トランジスタのエミッタに抵抗を
介してコレクタが接続された第 −6のトランジスタ
と、前記第6のトランジスタのベース、および第3のト
ランジスタのエミッタを接地電位に接続し、該第3のト
ランジスタのベーースと第6のトランジスタのエミッタ
にコレクタ出力を供給し、ベースには制御信号が加えら
れ、前記第3、第6のトランジスタをオン・オフ制御す
る第7のトランジスタとを具備したことを特徴とする電
源回路。first and second rectifier circuits that obtain positive and negative rectifier outputs, respectively; a first control transistor with an emitter-collector path connected between the output terminal of the first rectifier circuit and a first load circuit; A resistive voltage divider circuit for dividing and extracting the output voltage of the first control transistor, a collector connected to the base of the first control transistor, a base connected to the voltage divider circuit, and an emitter connected to a reference voltage. a first error amplification transistor connected to the source; a third transistor whose collector is connected to the emitter of the first error amplification transistor via a resistor; a second control transistor with an emitter-collector path connected between the load circuits; a resistive voltage divider circuit for dividing and extracting the output voltage of the second control transistor; and a base of the second control transistor. a second error amplification transistor having a collector connected to the voltage divider circuit, a base connected to the voltage dividing circuit, and an emitter connected to a reference voltage source; and a collector connected to the emitter of the second error amplification transistor via a resistor. A -6th transistor, a base of the sixth transistor, and an emitter of the third transistor are connected to a ground potential, and a collector output is supplied to the base of the third transistor and the emitter of the sixth transistor. and a seventh transistor to which a control signal is applied to the base to control on/off of the third and sixth transistors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9397381U JPS582018U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9397381U JPS582018U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS582018U true JPS582018U (en) | 1983-01-07 |
Family
ID=29888925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9397381U Pending JPS582018U (en) | 1981-06-25 | 1981-06-25 | power circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS582018U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60151728A (en) * | 1984-01-19 | 1985-08-09 | Sharp Corp | Power supply on/off control circuit |
WO2007080828A1 (en) * | 2006-01-10 | 2007-07-19 | Rohm Co., Ltd. | Negative output regulator circuit and electric device using same |
-
1981
- 1981-06-25 JP JP9397381U patent/JPS582018U/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60151728A (en) * | 1984-01-19 | 1985-08-09 | Sharp Corp | Power supply on/off control circuit |
WO2007080828A1 (en) * | 2006-01-10 | 2007-07-19 | Rohm Co., Ltd. | Negative output regulator circuit and electric device using same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS582018U (en) | power circuit | |
JPS59128573U (en) | Overcurrent detection circuit | |
JPS6052716U (en) | current circuit | |
JPS5999636U (en) | Excessive input voltage protection circuit | |
JPS5939541U (en) | power switch circuit | |
JPS6053065U (en) | voltage comparison circuit | |
JPS5893013U (en) | Output transistor current limit circuit | |
JPS58129518U (en) | constant current circuit | |
JPS59122560U (en) | rectifier circuit | |
JPS5866712U (en) | Muting circuit | |
JPS5861527U (en) | signal gain control circuit | |
JPS5946017U (en) | Push-pull amplifier bias circuit | |
JPS586465U (en) | sink tip clamp circuit | |
JPS5992914U (en) | Overcurrent prevention device for stabilized power supply circuit | |
JPS6027510U (en) | Muting control circuit | |
JPS588208U (en) | constant current circuit | |
JPS5996915U (en) | gain control amplifier | |
JPS5863615U (en) | Power supply detection circuit that also serves as a stabilized power supply | |
JPS60139324U (en) | DC amplifier bias circuit | |
JPS59126320U (en) | constant voltage circuit | |
JPS6030635U (en) | flip flop circuit | |
JPS60101809U (en) | Detection circuit | |
JPS5854120U (en) | Amplifier circuit protection circuit | |
JPS5967019U (en) | bias circuit | |
JPS6123783U (en) | Gamma correction circuit |