JPS6076414U - constant voltage circuit - Google Patents
constant voltage circuitInfo
- Publication number
- JPS6076414U JPS6076414U JP16568983U JP16568983U JPS6076414U JP S6076414 U JPS6076414 U JP S6076414U JP 16568983 U JP16568983 U JP 16568983U JP 16568983 U JP16568983 U JP 16568983U JP S6076414 U JPS6076414 U JP S6076414U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- collector
- voltage circuit
- whose
- 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.)
- Granted
Links
Landscapes
- Control Of Electrical Variables (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の定電圧回路の一例を示す回路図、第２図
はこの考案による定電圧回路の一実施例を示す回路図、
第３図はこの考案の他の実施例を示す部分回路図である
。
Ｑ１〜Ｑ４． Ｑ５〜Ｑ７・・・トランジスタ、Ｒ□〜
Ｒ４・・・抵抗、Ｃ・・・コンデンサ、Ｖｃｃ・・・電
源電圧、Ｖｏ・・・出力電圧。FIG. 1 is a circuit diagram showing an example of a conventional constant voltage circuit, FIG. 2 is a circuit diagram showing an example of a constant voltage circuit according to this invention,
FIG. 3 is a partial circuit diagram showing another embodiment of this invention. Q1-Q4. Q5~Q7...Transistor, R□~
R4...Resistor, C...Capacitor, Vcc...Power supply voltage, Vo...Output voltage.
Claims (3)
のトランジスタロ工、該トランジスタＱ□のベースにベ
ースが接続される第２のトランジスタＱ２、該トランジ
スタＱ２のコレクタにベースが接続される第３のトラン
ジスタＱ３、および電源にコレクタが接続される第４の
トランジスタＱ４を備え、上記第１のトランジスタＱ１
にはトランジスタｑと抵抗Ｒ１を介して電源を供給し、
第２のトランジスタＱ２にはトランジスタへと抵抗Ｒ２
を介して電源を供給するとともに、このトランジスタＱ
２のエミッタは抵抗Ｒ３を介して接地し、第３のトラン
ジスタＱ３のコレクタと第４のトランジスタＱ４のベー
スには定電流を供給し、第４のトランジスタＱ４のエミ
ッタを定電圧出力端子としてなる定電圧回路において、
上記第２のトランジスタＱ２のベースが接続される第５
のトランジスタｑ１該第５のトランジスタＱ、のコレク
タにコレクタが接続されコレクタとベースを短絡接続し
た第６のトランジスタＱ６、該トランジスタｑのベース
にベースが接続される第７のトランジスタＱ７を備え、
第６のトランジスタＱ６および第７のトランジスタＱ７
のエミッタは電源に接続され、第７のトランジスタＱ７
のコレクタを定電流源として第３のトランジスタｑのコ
レクタと第４のトランジスタＱ４のベースに接続してな
ることを特徴とする定電圧回路。(1) The first one with at least the base and collector connected by short circuit.
a second transistor Q2 whose base is connected to the base of the transistor Q□, a third transistor Q3 whose base is connected to the collector of the transistor Q2, and a fourth transistor Q3 whose collector is connected to the power supply. the first transistor Q1;
Power is supplied to through transistor q and resistor R1,
The second transistor Q2 has a resistor R2 connected to the transistor.
In addition to supplying power through this transistor Q
A constant current is supplied to the collector of the third transistor Q3 and the base of the fourth transistor Q4, and the emitter of the fourth transistor Q4 is connected to the ground through the resistor R3. In the voltage circuit,
The fifth transistor to which the base of the second transistor Q2 is connected
a sixth transistor Q6 whose collector is connected to the collector of the fifth transistor Q and whose collector and base are short-circuited; and a seventh transistor Q7 whose base is connected to the base of the transistor q;
Sixth transistor Q6 and seventh transistor Q7
The emitter of Q7 is connected to the power supply, and the emitter of Q7 is connected to the power supply.
A constant voltage circuit characterized in that the collector of the transistor Q4 is connected to the collector of the third transistor q and the base of the fourth transistor Q4 as a constant current source.
て、第４のトランジスタＱ４のベースと電源との間に回
路起動用抵抗Ｒ４を接続してなることを特徴と゛する定
電圧回路。(2) Utility Model Registration A constant voltage circuit according to claim 1, characterized in that a circuit starting resistor R4 is connected between the base of the fourth transistor Q4 and the power supply.
゛おいて、第４のトランジスタＱ４のベースと電□源と
の間に回路起動用コンデンサＣを接続してなることを特
徴とする定電圧回路。(3) The circuit described in paragraph 1 of the claims for utility model registration
A constant voltage circuit characterized in that a circuit starting capacitor C is connected between the base of a fourth transistor Q4 and a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16568983U JPS6076414U (en) | 1983-10-26 | 1983-10-26 | constant voltage circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16568983U JPS6076414U (en) | 1983-10-26 | 1983-10-26 | constant voltage circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6076414U true JPS6076414U (en) | 1985-05-28 |
| JPH029379Y2 JPH029379Y2 (en) | 1990-03-08 |
Family
ID=30362932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16568983U Granted JPS6076414U (en) | 1983-10-26 | 1983-10-26 | constant voltage circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076414U (en) |
-
1983
- 1983-10-26 JP JP16568983U patent/JPS6076414U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH029379Y2 (en) | 1990-03-08 |
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