JPS5419323A - Automatic gain control system - Google Patents

Automatic gain control system

Info

Publication number
JPS5419323A
JPS5419323A JP8438777A JP8438777A JPS5419323A JP S5419323 A JPS5419323 A JP S5419323A JP 8438777 A JP8438777 A JP 8438777A JP 8438777 A JP8438777 A JP 8438777A JP S5419323 A JPS5419323 A JP S5419323A
Authority
JP
Japan
Prior art keywords
control system
gain control
automatic gain
level
memorizing
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
JP8438777A
Other languages
Japanese (ja)
Inventor
Yoshito Desaki
Yasuhiro Sugihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8438777A priority Critical patent/JPS5419323A/en
Publication of JPS5419323A publication Critical patent/JPS5419323A/en
Pending legal-status Critical Current

Links

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
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Abstract

PURPOSE:To obtain very stable output, by comparing the level of carrier under reception with the reference level, converting and memorizing the voltage corresponding to the level of the difference, and by controlling the variable gain amplifier with the data.
JP8438777A 1977-07-13 1977-07-13 Automatic gain control system Pending JPS5419323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8438777A JPS5419323A (en) 1977-07-13 1977-07-13 Automatic gain control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8438777A JPS5419323A (en) 1977-07-13 1977-07-13 Automatic gain control system

Publications (1)

Publication Number Publication Date
JPS5419323A true JPS5419323A (en) 1979-02-14

Family

ID=13829143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8438777A Pending JPS5419323A (en) 1977-07-13 1977-07-13 Automatic gain control system

Country Status (1)

Country Link
JP (1) JPS5419323A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04240727A (en) * 1991-01-24 1992-08-28 Mitsubishi Electric Corp Plasma processing device
US5191407A (en) * 1990-01-19 1993-03-02 Kabushiki Kaisha Toshiba Contour accentuation circuit for a color signal
US5448288A (en) * 1992-04-24 1995-09-05 Orion Electric Co., Ltd. Automatic adjustment circuit for analog control unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191407A (en) * 1990-01-19 1993-03-02 Kabushiki Kaisha Toshiba Contour accentuation circuit for a color signal
JPH04240727A (en) * 1991-01-24 1992-08-28 Mitsubishi Electric Corp Plasma processing device
US5448288A (en) * 1992-04-24 1995-09-05 Orion Electric Co., Ltd. Automatic adjustment circuit for analog control unit

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