JPH0415710U - - Google Patents
Info
- Publication number
- JPH0415710U JPH0415710U JP5737390U JP5737390U JPH0415710U JP H0415710 U JPH0415710 U JP H0415710U JP 5737390 U JP5737390 U JP 5737390U JP 5737390 U JP5737390 U JP 5737390U JP H0415710 U JPH0415710 U JP H0415710U
- Authority
- JP
- Japan
- Prior art keywords
- output
- converter
- voltage
- amplifier
- signal
- 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
Landscapes
- Control Of Voltage And Current In General (AREA)
Description
第１図は本考案に係る直流電圧電流発生器の構
成例を示す図、第２図は本考案に係る直流電圧電
流発生器の別の構成例を示す図、第３図は電流リ
ミツト動作時の特性を示す図、第４図は電圧リミ
ツト動作時の特性を示す図である。
Ｄ／Ａ１，２……ＤＡ変換器、Ａ１〜Ａ４……
増幅器、Ｒｉ，Ｒｆ，Ｒｃ，Ｒ２〜Ｒ６，ＲＩＳ
……抵抗。
Fig. 1 is a diagram showing a configuration example of a DC voltage and current generator according to the present invention, Fig. 2 is a diagram showing another configuration example of a DC voltage and current generator according to the present invention, and Fig. 3 is a diagram showing a configuration example of a DC voltage and current generator according to the present invention. FIG. 4 is a diagram showing the characteristics during voltage limit operation. D/A1, 2...DA converter, A1 to A4...
Amplifier, Ri, Rf, Rc, R2 to R6, RIS
……resistance.
Claims (1)
出力する第１ＤＡ変換器と、 第１ＤＡ変換器の出力信号を反転入力端子に導
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、 負荷に流れる電流値が設定レベルを越えるとオ
ンになるスイツチと、 前記設定された出力電圧値に応じて変化するデ
ジタル信号を出力するコントローラと、 コントローラの出力をアナログ信号Ｖｌｉｍ′
へ変換する第２ＤＡ変換器と、 前記シヤント抵抗の電圧と、第２ＤＡ変換器の
出力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
入力端子へ加えるリミツト信号発生器と、 を備えた直流電圧電流発生器。 (2) 設定された出力電流値に応じた信号Ｖｎを
出力する第１ＤＡ変換器と、 第１ＤＡ変換器の出力信号を反転入力端子に導
入し、負帰還ループに負荷が挿入される出力増幅
器と、 出力増幅器の出力電圧を検出する第２増幅器と
、 負荷に加えられる電圧値が設定レベルを越える
とオンになるスイツチと、 前記設定された出力電流値に応じて変化するデ
ジタル信号を出力するコントローラと、 コントローラの出力をアナログ信号Ｖｌｉｍ′
へ変換する第２ＤＡ変換器と、 前記第２増幅器の出力電圧と、第２ＤＡ変換器
の出力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リミツト信号発生器と、 を備えた直流電圧電流発生器。[Claims for Utility Model Registration] (1) A first DA converter that outputs a signal Vn according to a set output voltage value, and an output signal of the first DA converter that is introduced into an inverting input terminal and amplified. An output amplifier that outputs an output, a shunt resistor that detects the current applied to the load from the output amplifier, a switch that turns on when the current value flowing to the load exceeds a set level, and an output voltage that changes according to the set output voltage value. A controller that outputs a digital signal, and an analog signal Vlim' that outputs the controller's output.
a second DA converter that converts the voltage of the shunt resistor and the output of the second DA converter to an inverting input terminal, and applying the added value with the polarity inverted to the inverting input terminal of the output amplifier via the switch. A limit signal generator and a DC voltage and current generator. (2) a first DA converter that outputs a signal Vn according to a set output current value; and an output amplifier that introduces the output signal of the first DA converter into an inverting input terminal and inserts a load into a negative feedback loop. , a second amplifier that detects the output voltage of the output amplifier, a switch that turns on when the voltage value applied to the load exceeds a set level, and a controller that outputs a digital signal that changes according to the set output current value. And, the output of the controller is converted into an analog signal Vlim'
a second DA converter that converts the output voltage of the second amplifier into the inverting input terminal of the output amplifier; a limit signal generator for applying to the DC voltage and current generator;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5737390U JPH0415710U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5737390U JPH0415710U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415710U true JPH0415710U (en) | 1992-02-07 |
Family
ID=31582019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5737390U Pending JPH0415710U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415710U (en) |
-
1990
- 1990-05-31 JP JP5737390U patent/JPH0415710U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH11330966A5 (en) | ||
| JPH0415710U (en) | ||
| JPH0419016U (en) | ||
| JPH067367Y2 (en) | Voltage / current generator | |
| JPS63102326U (en) | ||
| JPS6123738U (en) | D/A converter | |
| JPS64613Y2 (en) | ||
| JPH0112414Y2 (en) | ||
| JPS6452321U (en) | ||
| JPH026275U (en) | ||
| JPH0257616U (en) | ||
| JPH0478826U (en) | ||
| JPH0357616U (en) | ||
| JPH0386636U (en) | ||
| JPS6257421U (en) | ||
| JPS62177121U (en) | ||
| JPS62201869U (en) | ||
| JPS61184337U (en) | ||
| JPS6087508A (en) | Dc blocking amplifier circuit | |
| JPS6253826U (en) | ||
| JPH0377531U (en) | ||
| JPH0157825U (en) | ||
| JPS59126342U (en) | integral circuit | |
| JPH043365U (en) | ||
| JPS628726U (en) |