JPS5950117U - Attenuator circuit - Google Patents

Attenuator circuit

Info

Publication number
JPS5950117U
JPS5950117U JP14334482U JP14334482U JPS5950117U JP S5950117 U JPS5950117 U JP S5950117U JP 14334482 U JP14334482 U JP 14334482U JP 14334482 U JP14334482 U JP 14334482U JP S5950117 U JPS5950117 U JP S5950117U
Authority
JP
Japan
Prior art keywords
attenuator circuit
attenuator
circuit
control signal
attenuator section
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
JP14334482U
Other languages
Japanese (ja)
Inventor
陽一 佐藤
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP14334482U priority Critical patent/JPS5950117U/en
Publication of JPS5950117U publication Critical patent/JPS5950117U/en
Pending legal-status Critical Current

Links

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Control Of Amplification And Gain Control (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図は従来例を示す図、第２図及び第３図は第１図の
従来例の問題点を説明するためのグラフ、第４図は本考
案の一実施例を示す図、第５図は第４図の一部分の等価
回路を示す図、第６図及び第７図は第４図の実施例の動
作及び特性をそれぞれ説明するためのタイムチャート及
びグラフ、第８図及び第９図は本考案の回路の応用例を
それぞれ示す図である。 １０．１０’、１０“・・・アッテネータ部、１１・・
・ドライブ回路（制御信号発生手段）、１２・・・ヒス
テリシス回路（制御信号発生手段）、Ｄｌ、Ｄ２・・・
スイッチングダイオード（手段）。FIG. 1 is a diagram showing a conventional example, FIGS. 2 and 3 are graphs for explaining the problems of the conventional example in FIG. 1, FIG. 4 is a diagram showing an embodiment of the present invention, and FIG. This figure shows an equivalent circuit of a part of FIG. 4, FIGS. 6 and 7 are time charts and graphs for explaining the operation and characteristics of the embodiment shown in FIG. 4, and FIGS. 8 and 9 2A and 2B are diagrams each showing an application example of the circuit of the present invention. 10.10', 10"...attenuator section, 11...
- Drive circuit (control signal generation means), 12... Hysteresis circuit (control signal generation means), Dl, D2...
Switching diode (means).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力回路に接離可能になされたアッテネータ部と、入力
信号レベルに応じて制御信号を発生する゛手段と、前記
制御信号に応じ前記アッテネータ部の接離を行うスイッ
チング手段とを備えることを特徴とするアッテネータ回
路。It is characterized by comprising an attenuator section that can be connected to and disconnected from an input circuit, a means for generating a control signal according to an input signal level, and a switching means that connects and disconnects the attenuator section according to the control signal. attenuator circuit.
JP14334482U 1982-09-24 1982-09-24 Attenuator circuit Pending JPS5950117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14334482U JPS5950117U (en) 1982-09-24 1982-09-24 Attenuator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14334482U JPS5950117U (en) 1982-09-24 1982-09-24 Attenuator circuit

Publications (1)

Publication Number Publication Date
JPS5950117U true JPS5950117U (en) 1984-04-03

Family

ID=30319984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14334482U Pending JPS5950117U (en) 1982-09-24 1982-09-24 Attenuator circuit

Country Status (1)

Country Link
JP (1) JPS5950117U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0461525A (en) * 1990-06-29 1992-02-27 Sanyo Electric Co Ltd Sensitivity switching circuit for radio receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0461525A (en) * 1990-06-29 1992-02-27 Sanyo Electric Co Ltd Sensitivity switching circuit for radio receiver

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