JPS5963714U - constant current circuit - Google Patents
constant current circuitInfo
- Publication number
- JPS5963714U JPS5963714U JP15656182U JP15656182U JPS5963714U JP S5963714 U JPS5963714 U JP S5963714U JP 15656182 U JP15656182 U JP 15656182U JP 15656182 U JP15656182 U JP 15656182U JP S5963714 U JPS5963714 U JP S5963714U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- transistors
- current circuit
- base
- constant current
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Electrical Variables (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の定電流回路を使用したバイアス回路を示
す回路図、第２図は本考案の一実施例を示す回路図、及
び第３図は本考案の説明に供する為の特性図である。
主な図番の説明、８・・・第１トランジスタ、１０・・
・第２トランジスタ、１１・・・第３トランジスタ、１
７・・・出力端子。Fig. 1 is a circuit diagram showing a bias circuit using a conventional constant current circuit, Fig. 2 is a circuit diagram showing an embodiment of the present invention, and Fig. 3 is a characteristic diagram for explaining the present invention. be. Explanation of main figure numbers, 8...first transistor, 10...
・Second transistor, 11...Third transistor, 1
7...Output terminal.
Claims (1)
ンジスタと、エミッタが前記電源の一端に、ベースが前
記第１トランジスタと共通接続された第１極性の第２ト
ランジスタと、コレクタが前記第１及び第２トランジス
タの共通ベースに、エミッタが定電洸源を介して電源の
他端に、ベースが定電圧源に接続された第２極性の第３
トランジスタとから成り、前記第・２トランジスタのコ
レクタを前記第３トランジスタのエミッタに接続するこ
とにより、前記第２トランジスタのコレクタ電流に応じ
た前記第１及び第２トランジスタのベース電流の制御を
行い、前記第１トランジスタのコレクタ電流が一定とな
る様にしたことを特徴とする定電流回路。a first transistor of a first polarity whose emitter is connected to one end of the power supply; a second transistor of a first polarity whose emitter is connected to one end of the power supply and whose base is commonly connected to the first transistor; A third transistor of second polarity is connected to the common base of the first and second transistors, the emitter of which is connected to the other end of the power supply via a constant voltage source, and the base of which is connected to the constant voltage source.
The base currents of the first and second transistors are controlled according to the collector current of the second transistor by connecting the collectors of the second transistors to the emitters of the third transistors, A constant current circuit characterized in that the collector current of the first transistor is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15656182U JPS5963714U (en) | 1982-10-15 | 1982-10-15 | constant current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15656182U JPS5963714U (en) | 1982-10-15 | 1982-10-15 | constant current circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963714U true JPS5963714U (en) | 1984-04-26 |
| JPH0413692Y2 JPH0413692Y2 (en) | 1992-03-30 |
Family
ID=30345421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15656182U Granted JPS5963714U (en) | 1982-10-15 | 1982-10-15 | constant current circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11134043A (en) * | 1997-10-30 | 1999-05-21 | Sharp Corp | Dc stabilized power supply circuit |
| WO2011108978A1 (en) * | 2010-03-03 | 2011-09-09 | Yngve Linder | A current generator, voltage monitor and charge circuit |
-
1982
- 1982-10-15 JP JP15656182U patent/JPS5963714U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11134043A (en) * | 1997-10-30 | 1999-05-21 | Sharp Corp | Dc stabilized power supply circuit |
| WO2011108978A1 (en) * | 2010-03-03 | 2011-09-09 | Yngve Linder | A current generator, voltage monitor and charge circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413692Y2 (en) | 1992-03-30 |
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