JPS6418499U - - Google Patents
Info
- Publication number
- JPS6418499U JPS6418499U JP11181087U JP11181087U JPS6418499U JP S6418499 U JPS6418499 U JP S6418499U JP 11181087 U JP11181087 U JP 11181087U JP 11181087 U JP11181087 U JP 11181087U JP S6418499 U JPS6418499 U JP S6418499U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- current
- diode
- clamp
- operational amplifier
- 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 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Manipulation Of Pulses (AREA)
Description
第１図はこの考案の一実施例を説明するための
接続図、第２図はこの考案の動作を説明するため
の波形図、第３図はこの考案の要部の変形実施例
を示す接続図、第４図は従来の技術を説明するた
めの接続図である。
１００：電流駆動回路、２００：負荷、３００
：クランプ回路、３０１：クランプダイオード、
３０２：演算増幅器、３０３：電圧源、３０４：
補償電圧発生回路、３０５：ダミーダイオード、
３０６：ダミーダイオードに電流を与える電流源
、３０７：ダミーダイオードの電圧降下を演算増
幅器に与える増幅器、３０８：熱結合手段。
Fig. 1 is a connection diagram for explaining one embodiment of this invention, Fig. 2 is a waveform diagram for explaining the operation of this invention, and Fig. 3 is a connection diagram showing a modified embodiment of the main part of this invention. 4 are connection diagrams for explaining the conventional technology. 100: Current drive circuit, 200: Load, 300
: Clamp circuit, 301: Clamp diode,
302: Operational amplifier, 303: Voltage source, 304:
Compensation voltage generation circuit, 305: dummy diode,
306: Current source that supplies current to the dummy diode, 307: An amplifier that supplies the voltage drop of the dummy diode to the operational amplifier, 308: Thermal coupling means.
Claims (1)
の端子電圧が所定値以上に上昇すると導通するク
ランプダイオードと、 Ｃ このクランプダイオードにクランプ電圧を与
える演算増幅器と、 Ｄ この演算増幅器の一方の入力端子に上記クラ
ンプ電圧を決定する電圧を与える電圧源と、 Ｅ 上記クランプダイオードと類似の特性を有し
、クランプダイオードと熱結合されたダミーダイ
オードと、 Ｆ このダミーダイオードに電流を流して電圧降
下を発生させる電流源と、 Ｇ ダミーダイオードに発生する電圧を上記演算
増幅器の他方の入力端子に与える増幅器と、 から成る電流駆動装置。[Claims for Utility Model Registration] A: A current drive circuit that applies a predetermined current to a load; B: A clamp diode that becomes conductive when the terminal voltage of the load to which current is applied from the current drive circuit rises above a predetermined value; and C: an operational amplifier that provides a clamp voltage to the clamp diode; D a voltage source that provides a voltage that determines the clamp voltage to one input terminal of this operational amplifier; A current drive consisting of a coupled dummy diode, F a current source that causes a current to flow through the dummy diode to generate a voltage drop, and G an amplifier that applies the voltage generated in the dummy diode to the other input terminal of the operational amplifier. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11181087U JPH0419679Y2 (en) | 1987-07-20 | 1987-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11181087U JPH0419679Y2 (en) | 1987-07-20 | 1987-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6418499U true JPS6418499U (en) | 1989-01-30 |
| JPH0419679Y2 JPH0419679Y2 (en) | 1992-05-06 |
Family
ID=31350189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11181087U Expired JPH0419679Y2 (en) | 1987-07-20 | 1987-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419679Y2 (en) |
-
1987
- 1987-07-20 JP JP11181087U patent/JPH0419679Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0419679Y2 (en) | 1992-05-06 |
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