JPS5963720U - constant current circuit - Google Patents
constant current circuitInfo
- Publication number
- JPS5963720U JPS5963720U JP16046382U JP16046382U JPS5963720U JP S5963720 U JPS5963720 U JP S5963720U JP 16046382 U JP16046382 U JP 16046382U JP 16046382 U JP16046382 U JP 16046382U JP S5963720 U JPS5963720 U JP S5963720U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- common
- transistor
- current circuit
- transistors
- 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
- Amplifiers (AREA)
- 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図は従来の定電流回路の一例を示す図、第一２図は
本考案の定電流回路の一実施例を示す図、第３図は第１
図の回路に対応する実験回路を示す図、第４図は第２図
の回路に対応する実験回路を示す図、第５図は本考案の
定電流回路の他の実施４例を示す図、第６図は掛算回路
の一例を示す図である。
図中、Ｑ、、 Ｑ２． Ｑ３は第１、第２、第３のトラ
ンジスタ、Ｑ４は別のトランジスタ、Ｒ６は共通の抵抗
である。
第３図 ７−２ （＋５Ｖ）
□４．［゛
第５図−
第６図 少FIG. 1 is a diagram showing an example of a conventional constant current circuit, FIG. 12 is a diagram showing an example of the constant current circuit of the present invention, and FIG.
FIG. 4 is a diagram showing an experimental circuit corresponding to the circuit in FIG. 2. FIG. 5 is a diagram showing four other examples of the constant current circuit of the present invention. FIG. 6 is a diagram showing an example of a multiplication circuit. In the figure, Q,, Q2. Q3 are the first, second and third transistors, Q4 is another transistor, and R6 is a common resistor. Figure 3 7-2 (+5V) □4. [Figure 5 - Figure 6 Small
Claims (1)
抗を介して電源の一端に接続され、上記第１及び第２の
トランジスタのベースが共通に接続され、上記第２のト
ランジスタのコレクタとベースが、別のトランジスタの
ベース・エミッタを介して、また（１介することなく直
接共通に、接続され、上記第２及び第３のトランジスタ
のコレクタが共通の抵抗を介して上記電源の他端に接続
され、上記第３のトランジスタのベースと上記電源の一
端及び他端の間に各ふ抵抗が接続され、パ上記第１のト
ランジスタのコレクタに定電流出力が得られる定電流回
路。The emitters of the first, second and third transistors are each connected to one end of a power supply via a resistor, the bases of the first and second transistors are connected in common, and the collector and base of the second transistor are connected in common. are directly connected in common through the base and emitter of another transistor and without intervening (1), and the collectors of the second and third transistors are connected to the other end of the power supply through a common resistor. and each resistor is connected between the base of the third transistor and one end and the other end of the power source, and a constant current output is obtained to the collector of the first transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16046382U JPS5963720U (en) | 1982-10-23 | 1982-10-23 | constant current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16046382U JPS5963720U (en) | 1982-10-23 | 1982-10-23 | constant current circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963720U true JPS5963720U (en) | 1984-04-26 |
| JPH0229450Y2 JPH0229450Y2 (en) | 1990-08-08 |
Family
ID=30352929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16046382U Granted JPS5963720U (en) | 1982-10-23 | 1982-10-23 | constant current circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963720U (en) |
-
1982
- 1982-10-23 JP JP16046382U patent/JPS5963720U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0229450Y2 (en) | 1990-08-08 |
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