JPS62109215U - - Google Patents
Info
- Publication number
- JPS62109215U JPS62109215U JP20176285U JP20176285U JPS62109215U JP S62109215 U JPS62109215 U JP S62109215U JP 20176285 U JP20176285 U JP 20176285U JP 20176285 U JP20176285 U JP 20176285U JP S62109215 U JPS62109215 U JP S62109215U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- transistor
- power supply
- resistor
- utility
- 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 1
Landscapes
- Control Of Electrical Variables (AREA)
Description
第１図、第２図は本考案の一実施例回路及びこ
れを適用したＩＣ構造図である。図においてＰＷ
は定電流電源、Ｄ１はダイオード、Ｑ１はＮＰＮ
型トランジスタ、Ｑ３はＰＮＰ型トランジスタ、
Ｑ２は出力トランジスタ、Ｒ１，Ｒ２は抵抗であ
る。
FIGS. 1 and 2 are diagrams showing an embodiment of the circuit of the present invention and an IC structure to which the same is applied. In the figure, PW
is a constant current power supply, D1 is a diode, Q1 is NPN
type transistor, Q3 is a PNP type transistor,
Q 2 is an output transistor, and R 1 and R 2 are resistors.
Claims (1)
ＰＮＰ型トランジスタの直列回路と前記定電流電
源の両端間にコレクタ、ベースが接続され、且つ
エミツタを抵抗（第２）を介して前記ＰＮＰ型ト
ランジスタのベースに接続されたＮＰＮ型トラン
ジスタを備えたことを特徴とする定電流回路。 (2) ＮＰＮ型トランジスタをダーリントン接続
すると共に直列回路に直列ダイオードを付加した
ことを特徴とする実用新案登録請求の範囲第(1)
項記載の定電流回路。[Claims for Utility Model Registration] (1) A series circuit of a resistor (first) and a PNP type transistor connected to a constant current power supply, a collector and a base connected between both ends of the constant current power supply, and an emitter connected to a resistor. (Second) A constant current circuit comprising: an NPN transistor connected to the base of the PNP transistor via a second transistor. (2) Utility model registration claim No. (1) characterized in that NPN transistors are connected in Darlington and a series diode is added to the series circuit.
Constant current circuit described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20176285U JPS62109215U (en) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20176285U JPS62109215U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109215U true JPS62109215U (en) | 1987-07-11 |
Family
ID=31165518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20176285U Pending JPS62109215U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109215U (en) |
-
1985
- 1985-12-25 JP JP20176285U patent/JPS62109215U/ja active Pending