JPS6059974U - Frequency/voltage conversion circuit - Google Patents

Frequency/voltage conversion circuit

Info

Publication number
JPS6059974U
JPS6059974U JP15257283U JP15257283U JPS6059974U JP S6059974 U JPS6059974 U JP S6059974U JP 15257283 U JP15257283 U JP 15257283U JP 15257283 U JP15257283 U JP 15257283U JP S6059974 U JPS6059974 U JP S6059974U
Authority
JP
Japan
Prior art keywords
circuit
signal
generates
frequency
conversion circuit
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
JP15257283U
Other languages
Japanese (ja)
Other versions
JPS636686Y2 (en
Inventor
静雄 高橋
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP15257283U priority Critical patent/JPS6059974U/en
Publication of JPS6059974U publication Critical patent/JPS6059974U/en
Application granted granted Critical
Publication of JPS636686Y2 publication Critical patent/JPS636686Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manipulation Of Pulses (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Measured Values (AREA)
  • Picture Signal Circuits (AREA)
  • Networks Using Active Elements (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 drawings]

第1図は本考案による周波数・電圧変換回路の一実施例
を示す回路図、第2図a −hは第1図に示す回路の各
部動作波形図である。 1・・・微分回路、2・・・リセット信号発生回路、3
・・・ラップ電圧発生回路、4・・・対数変換回路、5
・・・微分回路、6・・・サンプルホールド回路、7・
・・フィルタ。
FIG. 1 is a circuit diagram showing an embodiment of the frequency/voltage conversion circuit according to the present invention, and FIGS. 2a to 2h are operational waveform diagrams of each part of the circuit shown in FIG. 1. 1... Differential circuit, 2... Reset signal generation circuit, 3
... Wrap voltage generation circuit, 4... Logarithmic conversion circuit, 5
...Differential circuit, 6...Sample hold circuit, 7.
··filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力信号の前縁を微分することによりパルス信号を発生
する微分回路と、この微分回路から抛生されるパルス信
号に対してわずかに遅れたリセット信号を発生するリセ
ット信号発生回路と、定電流源の出力を積分するととも
に前記リセット信号により積分値がリセットされること
によってラップ電圧を発生するラップ電圧発生回路と、
前記ラップ電圧を対数変換する対数変換回路と、この対
数変換回路の出力信号を微分する微分回路と、この微分
回路の出力信号を前記パルス信号の発生時に保存して入
力信号の周波数に対応した出力信号を発生するサンプル
ホールド回路とを備えた周波数・電圧変換回路。
A differentiating circuit that generates a pulse signal by differentiating the leading edge of an input signal, a reset signal generating circuit that generates a reset signal slightly delayed from the pulse signal generated from this differentiating circuit, and a constant current source. a wrap voltage generation circuit that generates a wrap voltage by integrating the output of the circuit and having the integrated value reset by the reset signal;
a logarithmic conversion circuit that logarithmically converts the wrap voltage; a differentiation circuit that differentiates the output signal of the logarithm conversion circuit; and an output signal that stores the output signal of the differentiation circuit when the pulse signal is generated and outputs a signal corresponding to the frequency of the input signal. A frequency/voltage conversion circuit equipped with a sample and hold circuit that generates a signal.
JP15257283U 1983-09-30 1983-09-30 Frequency/voltage conversion circuit Granted JPS6059974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15257283U JPS6059974U (en) 1983-09-30 1983-09-30 Frequency/voltage conversion circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15257283U JPS6059974U (en) 1983-09-30 1983-09-30 Frequency/voltage conversion circuit

Publications (2)

Publication Number Publication Date
JPS6059974U true JPS6059974U (en) 1985-04-25
JPS636686Y2 JPS636686Y2 (en) 1988-02-25

Family

ID=30337792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15257283U Granted JPS6059974U (en) 1983-09-30 1983-09-30 Frequency/voltage conversion circuit

Country Status (1)

Country Link
JP (1) JPS6059974U (en)

Also Published As

Publication number Publication date
JPS636686Y2 (en) 1988-02-25

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