JPS5287957A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
JPS5287957A
JPS5287957A JP412476A JP412476A JPS5287957A JP S5287957 A JPS5287957 A JP S5287957A JP 412476 A JP412476 A JP 412476A JP 412476 A JP412476 A JP 412476A JP S5287957 A JPS5287957 A JP S5287957A
Authority
JP
Japan
Prior art keywords
gain control
control circuit
circuit
ratio
varies
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.)
Granted
Application number
JP412476A
Other languages
Japanese (ja)
Other versions
JPS5728205B2 (en
Inventor
Yasuo Kominami
Isao Fukushima
Isao Akitake
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 JP412476A priority Critical patent/JPS5287957A/en
Publication of JPS5287957A publication Critical patent/JPS5287957A/en
Publication of JPS5728205B2 publication Critical patent/JPS5728205B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To realize newly mute circuit or gain control circuit which features high S/N ratio, by providing variable impedance medium which varies the inductance ratio in response to constant current circuit and gain control signal.
COPYRIGHT: (C)1977,JPO&Japio
JP412476A 1976-01-19 1976-01-19 Gain control circuit Granted JPS5287957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP412476A JPS5287957A (en) 1976-01-19 1976-01-19 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP412476A JPS5287957A (en) 1976-01-19 1976-01-19 Gain control circuit

Publications (2)

Publication Number Publication Date
JPS5287957A true JPS5287957A (en) 1977-07-22
JPS5728205B2 JPS5728205B2 (en) 1982-06-15

Family

ID=11576024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP412476A Granted JPS5287957A (en) 1976-01-19 1976-01-19 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS5287957A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162641A (en) * 1974-11-27 1976-05-31 Sanyo Electric Co KAHENRITOKUZO FUKUKI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5162641A (en) * 1974-11-27 1976-05-31 Sanyo Electric Co KAHENRITOKUZO FUKUKI

Also Published As

Publication number Publication date
JPS5728205B2 (en) 1982-06-15

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