KR830004721A - Gain control circuit - Google Patents

Gain control circuit Download PDF

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Publication number
KR830004721A
KR830004721A KR1019800004656A KR800004656A KR830004721A KR 830004721 A KR830004721 A KR 830004721A KR 1019800004656 A KR1019800004656 A KR 1019800004656A KR 800004656 A KR800004656 A KR 800004656A KR 830004721 A KR830004721 A KR 830004721A
Authority
KR
South Korea
Prior art keywords
control circuit
capacitors
gain control
variable gain
gain amplifier
Prior art date
Application number
KR1019800004656A
Other languages
Korean (ko)
Other versions
KR840001141B1 (en
Inventor
겐죠우 아까기리
마사유끼 가다꾸라
Original Assignee
이와마 가즈오
소니 가부시끼 가이샤
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 이와마 가즈오, 소니 가부시끼 가이샤 filed Critical 이와마 가즈오
Priority to KR1019800004656A priority Critical patent/KR840001141B1/en
Publication of KR830004721A publication Critical patent/KR830004721A/en
Application granted granted Critical
Publication of KR840001141B1 publication Critical patent/KR840001141B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control

Abstract

내용 없음No content

Description

이득제어회로Gain control circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 제1실시예를 도시한 개략 구성도. 제4도는 제1실시예의 구체적 구성도의 예를 도시한 회로도. 제5도는 제3도의 검파회로의 구체적 구성예를 도시한 회로도.3 is a schematic structural diagram showing a first embodiment of the present invention. 4 is a circuit diagram showing an example of a specific configuration diagram of the first embodiment. 5 is a circuit diagram showing a specific configuration example of the detection circuit of FIG.

Claims (2)

본문에서 설명되고 도면에서 예시된 바와 같이, 가변이득증폭기와, 가변이득중폭기의 이득을 제어하는 제어회로부를 포함하며, 제어회로부는 2개의 검파회로와, 이들의 검파회로에서의 출력들에 의하여 제각기 충전되는 2개의 콘덴서들과, 이들의 콘덴서들의 충전전하를 제각기 방전하는 2개의 저항을 가지며, 상기 2개의 콘덴서들의 제각기 출력단자에 접속되어, 이들의 콘덴서의 제각기 출력단자 사이의 전압을 상기 한쪽의 저항에 인가하도록 하여서 한쪽의 저항을 방전저항으로 하여 콘덴서의 출력을 제어전압으로서 상기 가변이득중폭기에 인가하는 것을 특징으로 하는 이득제어증폭기.As described in the text and illustrated in the figures, the variable gain amplifier includes a control circuit portion for controlling the gain of the variable gain amplifier, the control circuit portion being provided by two detection circuits and their outputs from the detection circuit. Two capacitors each charged, and two resistors respectively discharging charge charges of the capacitors, and are connected to output terminals of the two capacitors, respectively, so that the voltage between each output terminal of the capacitors A gain control amplifier, characterized in that the output of the capacitor is applied as the control voltage to the variable gain amplifier by applying one resistor as a discharge resistor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019800004656A 1980-12-06 1980-12-06 Gain control circuit KR840001141B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019800004656A KR840001141B1 (en) 1980-12-06 1980-12-06 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019800004656A KR840001141B1 (en) 1980-12-06 1980-12-06 Gain control circuit

Publications (2)

Publication Number Publication Date
KR830004721A true KR830004721A (en) 1983-07-16
KR840001141B1 KR840001141B1 (en) 1984-08-09

Family

ID=19218444

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800004656A KR840001141B1 (en) 1980-12-06 1980-12-06 Gain control circuit

Country Status (1)

Country Link
KR (1) KR840001141B1 (en)

Also Published As

Publication number Publication date
KR840001141B1 (en) 1984-08-09

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