JPH0419016U - - Google Patents
Info
- Publication number
- JPH0419016U JPH0419016U JP6007390U JP6007390U JPH0419016U JP H0419016 U JPH0419016 U JP H0419016U JP 6007390 U JP6007390 U JP 6007390U JP 6007390 U JP6007390 U JP 6007390U JP H0419016 U JPH0419016 U JP H0419016U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output
- voltage
- input terminal
- inverting input
- 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 3
Landscapes
- Control Of Voltage And Current In General (AREA)
- Amplifiers (AREA)
Description
第１図は本考案に係るリミツタ機能付電圧電流
発生器の構成例を示す図、第２図は本考案に係る
リミツタ機能付電圧電流発生器の別の構成例を示
す図、第３図は負荷抵抗値とリミツタ電流の関係
を示す図である。
Ｄ／Ａ１，２……ＤＡ変換器、Ａ１〜Ａ４……
増幅器、Ｒｉ，Ｒｆ，Ｒｃ，Ｒ２〜Ｒ６，ＲＩＳ
……抵抗、Ｒａ，Ｒｂ……帰還抵抗。
FIG. 1 is a diagram showing a configuration example of a voltage and current generator with a limiter function according to the present invention, FIG. 2 is a diagram showing another configuration example of a voltage and current generator with a limiter function according to the present invention, and FIG. FIG. 3 is a diagram showing the relationship between load resistance value and limiter current. D/A1, 2...DA converter, A1 to A4...
Amplifier, Ri, Rf, Rc, R2 to R6, RIS
...Resistance, Ra, Rb...Feedback resistance.
Claims (1)
反転入力端子に導入し、これを増幅して出力する
出力増幅器Ａ１と、 出力増幅器から負荷へ加えられる電流を検出す
るシヤント抵抗と、 シヤント抵抗に発生する電圧値がコンパレート
レベルを越えるとオンになるスイツチと、 シヤント抵抗の電圧と、負荷電流のリミツト値
を指示する信号電圧（ＶＩｉｍ）とを反転入力端
子に導入し、その極性反転した加算値を前記スイ
ツチを介して出力増幅器の反転入力端子へ加える
第２増幅器と、からなる回路において、 出力増幅器の出力端と第２増幅器の反転入力端
子間に負荷の影響をキヤンセルする値の帰還抵抗
（Ｒａ）を備えたことを特徴とするリミツタ機能
付電圧電流発生器。 (2) 設定出力電流に応じた信号電圧（Ｖｎ）を
反転入力端子に導入し、帰還ループに負荷が挿入
される出力増幅器Ａ１と、 出力増幅器の出力電圧を検出する第１増幅器と
、 出力増幅器の出力電圧値がコンパレートレベル
を越えるとオンになるスイツチと、 第１増幅器の出力電圧と、出力増幅器の出力電
圧のリミツト値を指示する信号電圧（ＶＩｉｍ）
とを反転入力端子に導入し、その極性反転した加
算値を前記スイツチを介して出力増幅器の反転入
力端子へ加える第１増幅器と、からなる回路にお
いて、 出力増幅器の出力信号を負荷を介して取り出し
、その信号を第２増幅器の反転入力端子へ導き、
負荷の影響をキヤンセルする値の帰還抵抗（Ｒｂ
）を備えたことを特徴とするリミツタ機能付電圧
電流発生器。[Claims for Utility Model Registration] (1) An output amplifier A1 that introduces a signal voltage (Vn) corresponding to a set output voltage into an inverting input terminal, amplifies and outputs it, and a current applied from the output amplifier to a load. A shunt resistor that detects the shunt resistor, a switch that turns on when the voltage value generated in the shunt resistor exceeds the comparator level, and an inverted input of the shunt resistor voltage and a signal voltage (VIim) that indicates the limit value of the load current. and a second amplifier which applies the added value with its polarity inverted to the inverting input terminal of the output amplifier via the switch, between the output terminal of the output amplifier and the inverting input terminal of the second amplifier. A voltage and current generator with a limiter function, characterized in that it is equipped with a feedback resistor (Ra) having a value that cancels the influence of a load. (2) An output amplifier A1 that introduces a signal voltage (Vn) according to the set output current to the inverting input terminal and inserts a load into the feedback loop, a first amplifier that detects the output voltage of the output amplifier, and an output amplifier. a switch that turns on when the output voltage value of
and a first amplifier which introduces the signal into the inverting input terminal and applies the added value with the polarity inverted to the inverting input terminal of the output amplifier via the switch, the output signal of the output amplifier is taken out via the load. , directing the signal to the inverting input terminal of the second amplifier,
A feedback resistor (Rb) with a value that cancels the influence of the load
) A voltage and current generator with a limiter function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6007390U JPH0419016U (en) | 1990-06-06 | 1990-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6007390U JPH0419016U (en) | 1990-06-06 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419016U true JPH0419016U (en) | 1992-02-18 |
Family
ID=31587118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6007390U Pending JPH0419016U (en) | 1990-06-06 | 1990-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008026015A (en) * | 2006-07-18 | 2008-02-07 | Young Tek Electronics Corp | Device for measuring static parameter of integrated circuit |
-
1990
- 1990-06-06 JP JP6007390U patent/JPH0419016U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008026015A (en) * | 2006-07-18 | 2008-02-07 | Young Tek Electronics Corp | Device for measuring static parameter of integrated circuit |
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