JPS62169818U - - Google Patents
Info
- Publication number
- JPS62169818U JPS62169818U JP5306486U JP5306486U JPS62169818U JP S62169818 U JPS62169818 U JP S62169818U JP 5306486 U JP5306486 U JP 5306486U JP 5306486 U JP5306486 U JP 5306486U JP S62169818 U JPS62169818 U JP S62169818U
- Authority
- JP
- Japan
- Prior art keywords
- mos transistor
- mos
- transistor
- gate
- drain
- 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 2
Landscapes
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の一実施例を示した電気回路図
、第２図は従来の定電流回路の一例を示した電気
回路図である。
Ｔ１〜Ｔ５……ＭＯＳ型トランジスタ、Ｒ……
抵抗、Ｌ……負荷。
FIG. 1 is an electric circuit diagram showing an embodiment of the present invention, and FIG. 2 is an electric circuit diagram showing an example of a conventional constant current circuit. T1 to T5 ...MOS type transistor, R...
Resistance, L...Load.
Claims (1)
第１のＭＯＳ型トランジスタと第２のＭＯＳ型ト
ランジスタとの間に設けた抵抗素子と、 上記電源端子間に直列に接続された異なる導電
型の第３のＭＯＳ型トランジスタおよび第４のＭ
ＯＳ型トランジスタと、 ドレイン側に負荷が接続される第５のＭＯＳ型
トランジスタとからなり、 第４のＭＯＳ型トランジスタのゲートは第２の
ＭＯＳ型トランジスタのドレインと上記抵抗との
接続端に接続してあり、 第２のＭＯＳ型トランジスタのゲートは第１の
ＭＯＳ型トランジスタのドレインと上記抵抗との
接続端に接続してあり、 第３のＭＯＳ型トランジスタのゲートおよびド
レインと第５のＭＯＳ型トランジスタのゲートは
第１のＭＯＳ型トランジスタのゲートに接続して
あることを特徴とする定電流回路。[Claims for Utility Model Registration] A resistance element provided between a first MOS transistor and a second MOS transistor of different conductivity types connected in series between power supply terminals; a third MOS transistor of a different conductivity type and a fourth MOS transistor connected to
It consists of an OS type transistor and a fifth MOS type transistor whose drain side is connected to a load, and the gate of the fourth MOS type transistor is connected to the connection end between the drain of the second MOS type transistor and the above-mentioned resistor. The gate of the second MOS transistor is connected to the connection end between the drain of the first MOS transistor and the resistor, and the gate and drain of the third MOS transistor and the fifth MOS transistor are connected to each other. A constant current circuit characterized in that the gate of is connected to the gate of a first MOS transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5306486U JPS62169818U (en) | 1986-04-09 | 1986-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5306486U JPS62169818U (en) | 1986-04-09 | 1986-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62169818U true JPS62169818U (en) | 1987-10-28 |
Family
ID=30878789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5306486U Pending JPS62169818U (en) | 1986-04-09 | 1986-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62169818U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562017A (en) * | 1979-06-19 | 1981-01-10 | Toshiba Corp | Constant electric current circuit |
| JPS56121114A (en) * | 1980-02-28 | 1981-09-22 | Seiko Instr & Electronics Ltd | Constant-current circuit |
-
1986
- 1986-04-09 JP JP5306486U patent/JPS62169818U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562017A (en) * | 1979-06-19 | 1981-01-10 | Toshiba Corp | Constant electric current circuit |
| JPS56121114A (en) * | 1980-02-28 | 1981-09-22 | Seiko Instr & Electronics Ltd | Constant-current circuit |
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