JPS5854563U - Peak detection circuit - Google Patents

Peak detection circuit

Info

Publication number
JPS5854563U
JPS5854563U JP15027481U JP15027481U JPS5854563U JP S5854563 U JPS5854563 U JP S5854563U JP 15027481 U JP15027481 U JP 15027481U JP 15027481 U JP15027481 U JP 15027481U JP S5854563 U JPS5854563 U JP S5854563U
Authority
JP
Japan
Prior art keywords
detection circuit
peak detection
capacitor
resistor
peak
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.)
Granted
Application number
JP15027481U
Other languages
Japanese (ja)
Other versions
JPH059658Y2 (en
Inventor
高崎　靖夫
和夫 桜井
Original Assignee
富士電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP15027481U priority Critical patent/JPS5854563U/en
Publication of JPS5854563U publication Critical patent/JPS5854563U/en
Application granted granted Critical
Publication of JPH059658Y2 publication Critical patent/JPH059658Y2/ja
Granted legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のピーク検出回路、第２図は従来、回路を
用いたセンシング装置の回路図、第３図は本考案による
ピーク検出回路を用いたセンシング装置の回路図、第一
図は演算増幅器の出力波形例図、第５図は従来回路によ
る出力波形例図、第６図は本考案の実施例による出力波
形例図を示す。 Ｃ１：ピーク保持用コンデンサ、Ｄｌ：ダイオード、Ｒ
１：抵抗、ＴＲ２：トランジスタスイッチ、Ｃ２及びＲ
６：微分回路。Fig. 1 is a conventional peak detection circuit, Fig. 2 is a circuit diagram of a sensing device using the conventional circuit, Fig. 3 is a circuit diagram of a sensing device using the peak detection circuit according to the present invention, and Fig. 1 is a circuit diagram of a sensing device using the conventional circuit. FIG. 5 shows an example of the output waveform of an amplifier, FIG. 5 shows an example of the output waveform of a conventional circuit, and FIG. 6 shows an example of the output waveform of an embodiment of the present invention. C1: Peak holding capacitor, Dl: Diode, R
1: Resistor, TR2: Transistor switch, C2 and R
6: Differential circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力端でサンプルしたパルス電圧のピークをダイオード
を通してホールドするコンデンサと、コンデンサの電荷
を抵抗を介して入力端に放電する経路を有するピーク検
知回路において、前記抵抗゛　とコンデンサの間にトラ
ンジスタスイッチを一入し、このトランジスタスイッチ
を前記パルス電圧の立上り時に短時間駆動するようにし
たことを特徴とするピーク検知回路。In a peak detection circuit that has a capacitor that holds the peak of the pulse voltage sampled at the input terminal through a diode, and a path that discharges the charge of the capacitor to the input terminal via the resistor, a transistor switch is connected between the resistor and the capacitor. A peak detection circuit characterized in that the transistor switch is driven for a short time when the pulse voltage rises.
JP15027481U 1981-10-09 1981-10-09 Peak detection circuit Granted JPS5854563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15027481U JPS5854563U (en) 1981-10-09 1981-10-09 Peak detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15027481U JPS5854563U (en) 1981-10-09 1981-10-09 Peak detection circuit

Publications (2)

Publication Number Publication Date
JPS5854563U true JPS5854563U (en) 1983-04-13
JPH059658Y2 JPH059658Y2 (en) 1993-03-10

Family

ID=29943007

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15027481U Granted JPS5854563U (en) 1981-10-09 1981-10-09 Peak detection circuit

Country Status (1)

Country Link
JP (1) JPS5854563U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02201271A (en) * 1989-01-31 1990-08-09 Fujitsu Ltd Peak value detecting circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219580A (en) * 1975-08-05 1977-02-14 Nippon Kokan Kk <Nkk> Peak detecting system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219580A (en) * 1975-08-05 1977-02-14 Nippon Kokan Kk <Nkk> Peak detecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02201271A (en) * 1989-01-31 1990-08-09 Fujitsu Ltd Peak value detecting circuit

Also Published As

Publication number Publication date
JPH059658Y2 (en) 1993-03-10

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