JPS61185112U - - Google Patents
Info
- Publication number
- JPS61185112U JPS61185112U JP6950685U JP6950685U JPS61185112U JP S61185112 U JPS61185112 U JP S61185112U JP 6950685 U JP6950685 U JP 6950685U JP 6950685 U JP6950685 U JP 6950685U JP S61185112 U JPS61185112 U JP S61185112U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- diode
- operational amplifier
- series
- input terminals
- 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 2
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の定電流回路の一実施例を示す
回路図、第２図は従来の定電流回路の回路図、第
３図は演算増幅器の内部回路である。
ＩＣ……演算増幅器、Ｄ……ダイオード、３…
…外部機器。
FIG. 1 is a circuit diagram showing an embodiment of the constant current circuit of the present invention, FIG. 2 is a circuit diagram of a conventional constant current circuit, and FIG. 3 is an internal circuit of an operational amplifier. IC...Operation amplifier, D...Diode, 3...
…External device.
Claims (1)
制御し、上記入力端子の一方の電圧を上記制御電
流の通過する回路に直列に接続された抵抗の一端
で得るよう構成するとともに、上記制御電流の通
過する回路に直列にダイオードを接続し、上記演
算増幅器の電源電圧を上記ダイオードのアノード
側より得るように構成したことを特徴とする定電
流回路。 The current is controlled by the voltage difference between both input terminals of the operational amplifier, and the voltage at one of the input terminals is obtained at one end of a resistor connected in series with the circuit through which the control current passes. 1. A constant current circuit, characterized in that a diode is connected in series to the circuit through which it passes, and the power supply voltage of the operational amplifier is obtained from the anode side of the diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6950685U JPH0534027Y2 (en) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6950685U JPH0534027Y2 (en) | 1985-05-10 | 1985-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61185112U true JPS61185112U (en) | 1986-11-18 |
| JPH0534027Y2 JPH0534027Y2 (en) | 1993-08-30 |
Family
ID=30605243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6950685U Expired - Lifetime JPH0534027Y2 (en) | 1985-05-10 | 1985-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534027Y2 (en) |
-
1985
- 1985-05-10 JP JP6950685U patent/JPH0534027Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534027Y2 (en) | 1993-08-30 |