JPS6259496B2 - - Google Patents

Info

Publication number
JPS6259496B2
JPS6259496B2 JP59056646A JP5664684A JPS6259496B2 JP S6259496 B2 JPS6259496 B2 JP S6259496B2 JP 59056646 A JP59056646 A JP 59056646A JP 5664684 A JP5664684 A JP 5664684A JP S6259496 B2 JPS6259496 B2 JP S6259496B2
Authority
JP
Japan
Prior art keywords
transistor
emitter
agc
circuit
pnp transistor
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
JP59056646A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59188236A (ja
Inventor
Shigeru Goto
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 JP5664684A priority Critical patent/JPS59188236A/ja
Publication of JPS59188236A publication Critical patent/JPS59188236A/ja
Publication of JPS6259496B2 publication Critical patent/JPS6259496B2/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
JP5664684A 1984-03-23 1984-03-23 ラジオ受信機 Granted JPS59188236A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5664684A JPS59188236A (ja) 1984-03-23 1984-03-23 ラジオ受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5664684A JPS59188236A (ja) 1984-03-23 1984-03-23 ラジオ受信機

Publications (2)

Publication Number Publication Date
JPS59188236A JPS59188236A (ja) 1984-10-25
JPS6259496B2 true JPS6259496B2 (US20080094685A1-20080424-C00004.png) 1987-12-11

Family

ID=13033106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5664684A Granted JPS59188236A (ja) 1984-03-23 1984-03-23 ラジオ受信機

Country Status (1)

Country Link
JP (1) JPS59188236A (US20080094685A1-20080424-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175999U (US20080094685A1-20080424-C00004.png) * 1987-05-01 1988-11-15

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047544A (US20080094685A1-20080424-C00004.png) * 1974-05-13 1975-04-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146446U (US20080094685A1-20080424-C00004.png) * 1974-05-21 1975-12-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047544A (US20080094685A1-20080424-C00004.png) * 1974-05-13 1975-04-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175999U (US20080094685A1-20080424-C00004.png) * 1987-05-01 1988-11-15

Also Published As

Publication number Publication date
JPS59188236A (ja) 1984-10-25

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