JPS63149498U - - Google Patents
Info
- Publication number
- JPS63149498U JPS63149498U JP4226387U JP4226387U JPS63149498U JP S63149498 U JPS63149498 U JP S63149498U JP 4226387 U JP4226387 U JP 4226387U JP 4226387 U JP4226387 U JP 4226387U JP S63149498 U JPS63149498 U JP S63149498U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- inverting amplifier
- inverting
- control signal
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は、この考案のサンプル・ホールド回路
の一実施例を示す回路図、第２図は、第１図に示
した反転増幅器の開ループゲイン特性を示す図、
第３図は、この考案のサンプル・ホールド回路の
他の実施例を示す回路図、第４図は、従来のサン
プル・ホールド回路の一例を示す回路図である。
１１，２１…サンプル・ホールド回路、２…反
転増幅器、３…サンプリングスイツチ、Ｒ１…入
力抵抗、Ｒ２…帰還抵抗、Ｒ３，Ｒ４…抵抗、Ｃ
…ホールドコンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of the sample-and-hold circuit of this invention, and FIG. 2 is a diagram showing the open-loop gain characteristics of the inverting amplifier shown in FIG.
FIG. 3 is a circuit diagram showing another embodiment of the sample and hold circuit of this invention, and FIG. 4 is a circuit diagram showing an example of a conventional sample and hold circuit. 11, 21...Sample and hold circuit, 2...Inverting amplifier, 3...Sampling switch, R1...Input resistance, R2 ...Feedback resistance, R3 , R4 ...Resistance, C
...Hold capacitor.
Claims (1)
つ反転増幅器と、この反転増幅器の反転入力端子
と出力端子の間に設けたホールドコンデンサと、
前記反転増幅器の反転入力端子と前記入力抵抗の
間に設けられ、外部から供給される開閉制御信号
により開閉するサンプリングスイツチと、このサ
ンプリングスイツチと前記反転入力端子の間に設
けられ、サンプリングスイツチを突き抜けて入来
する開閉制御信号を抑制する抵抗からなるサンプ
ル・ホールド回路。 An inverting amplifier having a gain according to the resistance ratio of an input resistance and a feedback resistor, a hold capacitor provided between an inverting input terminal and an output terminal of this inverting amplifier,
a sampling switch provided between the inverting input terminal of the inverting amplifier and the input resistor and opened and closed by an open/close control signal supplied from the outside; A sample-and-hold circuit consisting of a resistor that suppresses the incoming opening/closing control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4226387U JPS63149498U (en) | 1987-03-23 | 1987-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4226387U JPS63149498U (en) | 1987-03-23 | 1987-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63149498U true JPS63149498U (en) | 1988-10-03 |
Family
ID=30858011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4226387U Pending JPS63149498U (en) | 1987-03-23 | 1987-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149498U (en) |
-
1987
- 1987-03-23 JP JP4226387U patent/JPS63149498U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0480050U (en) | ||
| JPS633620U (en) | ||
| JPS63191715U (en) | ||
| JPS6133101U (en) | Electric positioner for electric valve actuator | |
| JPS63117312U (en) | ||
| JPS5927688U (en) | echo microphone | |
| JPH046900U (en) | ||
| JPS62198752U (en) | ||
| JPH0420727U (en) | ||
| JPH03124614U (en) | ||
| JPS6396485U (en) | ||
| JPH0177037U (en) | ||
| JPS63117981U (en) | ||
| JPS6016479U (en) | Elevator door control device | |
| JPS61393U (en) | speaker protection device | |
| JPS6085447U (en) | noise blanker circuit | |
| JPS63171021U (en) | ||
| JPS62105669U (en) | ||
| JPH045606U (en) | ||
| JPS6416028U (en) | ||
| JPS6133264U (en) | Output control circuit | |
| JPS61155897U (en) | ||
| JPH0434573U (en) | ||
| JPH0439724U (en) | ||
| JPS6391838U (en) |