JPS6335118U - - Google Patents
Info
- Publication number
- JPS6335118U JPS6335118U JP12688386U JP12688386U JPS6335118U JP S6335118 U JPS6335118 U JP S6335118U JP 12688386 U JP12688386 U JP 12688386U JP 12688386 U JP12688386 U JP 12688386U JP S6335118 U JPS6335118 U JP S6335118U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- terminal
- collector
- conductivity type
- power source
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図・第３図〜第６図は、本考案の定電圧回
路の第一・第二〜第五の実施例を示す回路図、第
２図は、従来の定電圧回路の一例を示す回路図で
ある。
Ｑ１，Ｑ２……トランジスタ、Ｒ１，Ｒ２……
抵抗。
1, 3 to 6 are circuit diagrams showing first, second to fifth embodiments of the constant voltage circuit of the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional constant voltage circuit. It is a diagram. Q 1 , Q 2 ...transistor, R 1 , R 2 ...
resistance.
Claims (1)
、前記第一の導電型と異なる第二の導電型である
第二のトランジスタと、定電流源とを備え、 前記第一のトランジスタの、コレクタを電源の
第一の端子に接続し、コレクタ・ベース間に基準
電圧を加え、 前記第二のトランジスタの、コレクタを前記電
源の第二の端子に、ベースを前記定電流源を介し
て前記電源の前記第二の端子に接続し、 また、前記第二のトランジスタの、ベースを直
接あるいは電圧降下素子を介して前記第一のトラ
ンジスタのエミツタに、エミツタを出力電圧端子
に接続することを特徴とする定電圧回路。 (2) 前記定電流源オンオフ可能とした実用新案
登録請求の範囲第１項記載の定電圧回路。[Claims for Utility Model Registration] (1) A first transistor of a first conductivity type, a second transistor of a second conductivity type different from the first conductivity type, and a constant current source. comprising: connecting a collector of the first transistor to a first terminal of a power source and applying a reference voltage between the collector and base; connecting a collector of the second transistor to a second terminal of the power source; is connected to the second terminal of the power source via the constant current source, and the base of the second transistor is connected to the emitter of the first transistor either directly or via a voltage drop element. A constant voltage circuit characterized by being connected to an output voltage terminal. (2) The constant voltage circuit according to claim 1, which is a utility model registered and is capable of turning on and off the constant current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12688386U JPS6335118U (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12688386U JPS6335118U (en) | 1986-08-19 | 1986-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335118U true JPS6335118U (en) | 1988-03-07 |
Family
ID=31021110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12688386U Pending JPS6335118U (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335118U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5473254A (en) * | 1977-11-25 | 1979-06-12 | Toshiba Corp | Constant-voltage circuit |
| JPS5843014A (en) * | 1981-09-07 | 1983-03-12 | Matsushita Electric Ind Co Ltd | Power supply device |
| JPS5852246A (en) * | 1981-09-21 | 1983-03-28 | Agency Of Ind Science & Technol | Preparation of glycolic acid ester |
-
1986
- 1986-08-19 JP JP12688386U patent/JPS6335118U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5473254A (en) * | 1977-11-25 | 1979-06-12 | Toshiba Corp | Constant-voltage circuit |
| JPS5843014A (en) * | 1981-09-07 | 1983-03-12 | Matsushita Electric Ind Co Ltd | Power supply device |
| JPS5852246A (en) * | 1981-09-21 | 1983-03-28 | Agency Of Ind Science & Technol | Preparation of glycolic acid ester |
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