JPH0212671U - - Google Patents

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Publication number
JPH0212671U
JPH0212671U JP9087088U JP9087088U JPH0212671U JP H0212671 U JPH0212671 U JP H0212671U JP 9087088 U JP9087088 U JP 9087088U JP 9087088 U JP9087088 U JP 9087088U JP H0212671 U JPH0212671 U JP H0212671U
Authority
JP
Japan
Prior art keywords
diode
voltage
envelope
input voltage
capacitor
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
Application number
JP9087088U
Other languages
English (en)
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 filed Critical
Priority to JP9087088U priority Critical patent/JPH0212671U/ja
Publication of JPH0212671U publication Critical patent/JPH0212671U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案に係る包絡線電圧検出回路の一
実施例を示す構成図、第２図は本考案の他の実施
例図を示す構成図、第３図は従来の包絡線電圧検
出回路の一例を示す構成図である。 ｅ……入力電圧、Ｄ……ダイオード、Ｃ……コ
ンデンサ、ＣＣ……定電流発生回路、ＩＮ……入
力端子、ＯＵＴ……出力端子。

Claims (1)

  1. 【実用新案登録請求の範囲】 ダイオードにより入力電圧を整流し、その電圧
    でコンデンサを充電するようにして入力電圧の包
    絡線電圧を検出する包絡線電圧検出回路において
    、 ダイオードとコンデンサの共通接続点に一端が
    接続されダイオードに流れる電流が流れ込む方向
    に一定の電流を流すための定電流発生回路を具備
    し、 入力電圧大きさおよび極性に拘らずダイオード
    の順方向電圧降下が一定となるようにしたことを
    特徴とする包絡線電圧検出回路。
JP9087088U 1988-07-08 1988-07-08 Pending JPH0212671U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9087088U JPH0212671U (ja) 1988-07-08 1988-07-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9087088U JPH0212671U (ja) 1988-07-08 1988-07-08

Publications (1)

Publication Number Publication Date
JPH0212671U true JPH0212671U (ja) 1990-01-26

Family

ID=31315379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9087088U Pending JPH0212671U (ja) 1988-07-08 1988-07-08

Country Status (1)

Country Link
JP (1) JPH0212671U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003012978A1 (en) * 2001-07-30 2003-02-13 Niigata Seimitsu Co., Ltd. Am detection circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62266470A (ja) * 1986-05-15 1987-11-19 Hitachi Cable Ltd ピ−ク値検出回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62266470A (ja) * 1986-05-15 1987-11-19 Hitachi Cable Ltd ピ−ク値検出回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003012978A1 (en) * 2001-07-30 2003-02-13 Niigata Seimitsu Co., Ltd. Am detection circuit
JP2003046339A (ja) * 2001-07-30 2003-02-14 Niigata Seimitsu Kk Ａｍ検波回路

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