JPS60169800U

JPS60169800U - Sample/hold circuit

Info

Publication number: JPS60169800U
Application number: JP5601784U
Authority: JP
Inventors: 茂神成
Original assignee: 株式会社アドバンテスト
Priority date: 1984-04-17
Filing date: 1984-04-17
Publication date: 1985-11-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はサンプル・ホールド回路の基本的な回路図、第
２図はチャージ・トランスファ現象を説明するための波
形図、第３図は従来のサンプル・ホールド回路の回路図
、第４図はこの考案によるサンプル・ホールド回路の回
路図である。１１．１１’：入力端子、１２：出力端子、１３：制御
用端子、１４：演算増幅器、１５：第一スイッチ、１６
：第二スイッチ、１７：第一抵抗器、１８：第二抵抗器
、１９：第三抵抗器、２０：第四抵抗器、２１：第一コ
ンデンサ、２２：第二コンテ゛ンサ、２３：トリマ・コ
ンデンサ、２４：反転回路、２５：定電流源、２６：交
流信号源。Figure 1 is a basic circuit diagram of a sample and hold circuit, Figure 2 is a waveform diagram to explain the charge transfer phenomenon, Figure 3 is a circuit diagram of a conventional sample and hold circuit, and Figure 4 is a circuit diagram of a conventional sample and hold circuit. 1 is a circuit diagram of a sample and hold circuit according to the invention; FIG. 11.11': Input terminal, 12: Output terminal, 13: Control terminal, 14: Operational amplifier, 15: First switch, 16
: Second switch, 17: First resistor, 18: Second resistor, 19: Third resistor, 20: Fourth resistor, 21: First capacitor, 22: Second capacitor, 23: Trimmer capacitor , 24: Inverting circuit, 25: Constant current source, 26: AC signal source.

Claims

[Claims for Utility Model Registration] A: an operational amplifier; B: a first resistor with one terminal connected to the output side of the operational amplifier; and C: the other terminal of the first resistor and the first input terminal. A second resistor connected between D, a third resistor whose one terminal is grounded, and E a fourth resistor connected between the other terminal of the third resistor and the second human power terminal. F a first capacitor connected between the output side and one input side of the operational amplifier; G a second capacitor one terminal of which is connected to the other input side of the operational amplifier; H the above. a first switch means connected between the connection point of the first resistor and the second resistor and one input side of the operational amplifier; A sample-and-hold circuit comprising: second switch means connected between the other input side of the operational amplifier;