JPS6253826U - - Google Patents
Info
- Publication number
- JPS6253826U JPS6253826U JP14585385U JP14585385U JPS6253826U JP S6253826 U JPS6253826 U JP S6253826U JP 14585385 U JP14585385 U JP 14585385U JP 14585385 U JP14585385 U JP 14585385U JP S6253826 U JPS6253826 U JP S6253826U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- output terminal
- switch
- clamp
- resistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Analogue/Digital Conversion (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
Description
第１図はこの考案のクランプ回路の一実施例の
原理的構成を示す回路図、第２図は同上クランプ
回路の具体的な実施例の構成を示す回路図、第３
図は従来のクランプ回路の回路図である。
ＶＩＮ……入力端子、ＶＯＵＴ……出力端子、
Ａ……差動増幅器、ＳＷ……スイツチ、Ｃ……コ
ンデンサ、Ｒ１，Ｒ２……抵抗、Ｑ……トランジ
スタ、Ｉ……可変電流源、ＶＣＬ……基準電圧。
FIG. 1 is a circuit diagram showing the principle configuration of an embodiment of the clamp circuit of this invention, FIG. 2 is a circuit diagram showing the configuration of a specific embodiment of the same clamp circuit, and FIG.
The figure is a circuit diagram of a conventional clamp circuit. VIN...Input terminal, VOUT...Output terminal,
A...Differential amplifier, SW...Switch, C...Capacitor, R1 , R2 ...Resistor, Q...Transistor, I...Variable current source, VCL...Reference voltage.
Claims (1)
端子と接地間に上記スイツチと直列に接続されこ
のスイツチのオン時に抵抗を介して入力端子から
の電流で充電されるコンデンサと、上記出力端子
と接地間に接続された可変電流源と、上記コンデ
ンサの電位とクランプの基準電圧とを入力して上
記出力端子の電位が上記基準電圧と等しくなるよ
うに上記可変電流源を制御する差動増幅器とを具
備するクランプ回路。 A switch that is on only during the clamp period, a capacitor that is connected in series with the above switch between the output terminal and ground and charged with current from the input terminal via a resistor when this switch is on, and a capacitor that is connected between the output terminal and ground with the current from the input terminal through a resistor. a differential amplifier that controls the variable current source so that the potential of the output terminal becomes equal to the reference voltage by inputting the potential of the capacitor and the reference voltage of the clamp; clamp circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14585385U JPS6253826U (en) | 1985-09-25 | 1985-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14585385U JPS6253826U (en) | 1985-09-25 | 1985-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6253826U true JPS6253826U (en) | 1987-04-03 |
Family
ID=31057764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14585385U Pending JPS6253826U (en) | 1985-09-25 | 1985-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6253826U (en) |
-
1985
- 1985-09-25 JP JP14585385U patent/JPS6253826U/ja active Pending