JPS543450A - Variable gain amplifier circuit - Google Patents

Variable gain amplifier circuit

Info

Publication number
JPS543450A
JPS543450A JP6730177A JP6730177A JPS543450A JP S543450 A JPS543450 A JP S543450A JP 6730177 A JP6730177 A JP 6730177A JP 6730177 A JP6730177 A JP 6730177A JP S543450 A JPS543450 A JP S543450A
Authority
JP
Japan
Prior art keywords
amplifier circuit
variable gain
gain amplifier
reging
minot
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
JP6730177A
Other languages
Japanese (ja)
Inventor
Hideo Nishijima
Isao Fukushima
Hiroyuki Kimura
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 JP6730177A priority Critical patent/JPS543450A/en
Publication of JPS543450A publication Critical patent/JPS543450A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE: To decrease the uneven swinging of the output level meter by using the transistor at the minot current reging against the weak current region in the high frequency amplification part of an AM receiver.
COPYRIGHT: (C)1979,JPO&Japio
JP6730177A 1977-06-09 1977-06-09 Variable gain amplifier circuit Pending JPS543450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6730177A JPS543450A (en) 1977-06-09 1977-06-09 Variable gain amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6730177A JPS543450A (en) 1977-06-09 1977-06-09 Variable gain amplifier circuit

Publications (1)

Publication Number Publication Date
JPS543450A true JPS543450A (en) 1979-01-11

Family

ID=13341032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6730177A Pending JPS543450A (en) 1977-06-09 1977-06-09 Variable gain amplifier circuit

Country Status (1)

Country Link
JP (1) JPS543450A (en)

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