JPH026315U - - Google Patents
Info
- Publication number
- JPH026315U JPH026315U JP8214188U JP8214188U JPH026315U JP H026315 U JPH026315 U JP H026315U JP 8214188 U JP8214188 U JP 8214188U JP 8214188 U JP8214188 U JP 8214188U JP H026315 U JPH026315 U JP H026315U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- constant current
- conversion circuit
- generation circuit
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Voltage And Current In General (AREA)
Description
第１図及び第２図は本考案の実施例を示す回路
図、また第３図は、その他の実施例を示す回路図
、第４図は、従来一般に用いられる定電流源を示
す回路図である。
４……定電圧発生回路、５……電圧―電圧変換
回路、６……電圧―電流変換回路、Ｑ１，Ｑ１０
，Ｑ１１……トランジスタ、Ｒ０，ＲＡ，ＲＢ，
Ｒ１０……抵抗、Ａｍｐ１（１３）……電圧増幅
器。
1 and 2 are circuit diagrams showing an embodiment of the present invention, FIG. 3 is a circuit diagram showing another embodiment, and FIG. 4 is a circuit diagram showing a conventionally commonly used constant current source. be. 4... Constant voltage generation circuit, 5... Voltage-voltage conversion circuit, 6... Voltage-current conversion circuit, Q1, Q10
, Q11...transistor, R0, RA, RB,
R10...Resistor, Amp1 (13)...Voltage amplifier.
Claims (1)
意の電圧を得る為の電圧―電圧変換回路と、前記
変換回路の出力電圧より定電流を得る為の帰還抵
抗と増幅器より構成される電圧―電流変換回路と
を含むことを特徴とする定電流発生回路。 A voltage-current circuit consisting of a constant current generation circuit, a voltage-to-voltage conversion circuit for obtaining an arbitrary voltage from the constant voltage generation circuit, and a feedback resistor and amplifier for obtaining a constant current from the output voltage of the conversion circuit. A constant current generation circuit comprising a conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988082141U JPH0749537Y2 (en) | 1988-06-21 | 1988-06-21 | Constant current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988082141U JPH0749537Y2 (en) | 1988-06-21 | 1988-06-21 | Constant current generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026315U true JPH026315U (en) | 1990-01-17 |
| JPH0749537Y2 JPH0749537Y2 (en) | 1995-11-13 |
Family
ID=31306906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988082141U Expired - Lifetime JPH0749537Y2 (en) | 1988-06-21 | 1988-06-21 | Constant current generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749537Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56108114A (en) * | 1980-01-31 | 1981-08-27 | Nec Corp | Bipolar constant voltage circuit |
| JPS60103420A (en) * | 1983-11-09 | 1985-06-07 | Seiko Instr & Electronics Ltd | Reference voltage circuit |
| JPS6331613U (en) * | 1986-08-15 | 1988-03-01 |
-
1988
- 1988-06-21 JP JP1988082141U patent/JPH0749537Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56108114A (en) * | 1980-01-31 | 1981-08-27 | Nec Corp | Bipolar constant voltage circuit |
| JPS60103420A (en) * | 1983-11-09 | 1985-06-07 | Seiko Instr & Electronics Ltd | Reference voltage circuit |
| JPS6331613U (en) * | 1986-08-15 | 1988-03-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749537Y2 (en) | 1995-11-13 |