JPS6352484B2 - - Google Patents

Info

Publication number
JPS6352484B2
JPS6352484B2 JP782680A JP782680A JPS6352484B2 JP S6352484 B2 JPS6352484 B2 JP S6352484B2 JP 782680 A JP782680 A JP 782680A JP 782680 A JP782680 A JP 782680A JP S6352484 B2 JPS6352484 B2 JP S6352484B2
Authority
JP
Japan
Prior art keywords
voltage
resistor
transistor
circuit
tuner
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
JP782680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56106409A (en
Inventor
Hiroshi Hatashita
Toshio Nagashima
Takeshi Saito
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 JP782680A priority Critical patent/JPS56106409A/ja
Publication of JPS56106409A publication Critical patent/JPS56106409A/ja
Publication of JPS6352484B2 publication Critical patent/JPS6352484B2/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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
JP782680A 1980-01-28 1980-01-28 Gain control circuit Granted JPS56106409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP782680A JPS56106409A (en) 1980-01-28 1980-01-28 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP782680A JPS56106409A (en) 1980-01-28 1980-01-28 Gain control circuit

Publications (2)

Publication Number Publication Date
JPS56106409A JPS56106409A (en) 1981-08-24
JPS6352484B2 true JPS6352484B2 (en]) 1988-10-19

Family

ID=11676392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP782680A Granted JPS56106409A (en) 1980-01-28 1980-01-28 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS56106409A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321286U (en]) * 1989-07-11 1991-03-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321286U (en]) * 1989-07-11 1991-03-01

Also Published As

Publication number Publication date
JPS56106409A (en) 1981-08-24

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