JPS6154288B2 - - Google Patents

Info

Publication number
JPS6154288B2
JPS6154288B2 JP54110424A JP11042479A JPS6154288B2 JP S6154288 B2 JPS6154288 B2 JP S6154288B2 JP 54110424 A JP54110424 A JP 54110424A JP 11042479 A JP11042479 A JP 11042479A JP S6154288 B2 JPS6154288 B2 JP S6154288B2
Authority
JP
Japan
Prior art keywords
transistor
signal
amplification
gain
transistors
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.)
Expired
Application number
JP54110424A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5530300A (en
Inventor
Masanori Ienaka
Yasuo Kominami
Yukiro Suzuki
Masami Kawamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11042479A priority Critical patent/JPS5530300A/ja
Publication of JPS5530300A publication Critical patent/JPS5530300A/ja
Publication of JPS6154288B2 publication Critical patent/JPS6154288B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP11042479A 1979-08-31 1979-08-31 Gain control circuit Granted JPS5530300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11042479A JPS5530300A (en) 1979-08-31 1979-08-31 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11042479A JPS5530300A (en) 1979-08-31 1979-08-31 Gain control circuit

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP11278674A Division JPS5345250B2 (en:Method) 1974-10-02 1974-10-02

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP16034083A Division JPS5972236A (ja) 1983-09-02 1983-09-02 受信装置

Publications (2)

Publication Number Publication Date
JPS5530300A JPS5530300A (en) 1980-03-04
JPS6154288B2 true JPS6154288B2 (en:Method) 1986-11-21

Family

ID=14535400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11042479A Granted JPS5530300A (en) 1979-08-31 1979-08-31 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS5530300A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58201415A (ja) * 1982-05-20 1983-11-24 Akai Electric Co Ltd 受信機のａｇｃ回路
US4440804A (en) * 1982-08-02 1984-04-03 Fairchild Camera & Instrument Corporation Lift-off process for fabricating self-aligned contacts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338058B2 (en:Method) * 1972-04-15 1978-10-13

Also Published As

Publication number Publication date
JPS5530300A (en) 1980-03-04

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