JPS53139957A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
JPS53139957A
JPS53139957A JP5430277A JP5430277A JPS53139957A JP S53139957 A JPS53139957 A JP S53139957A JP 5430277 A JP5430277 A JP 5430277A JP 5430277 A JP5430277 A JP 5430277A JP S53139957 A JPS53139957 A JP S53139957A
Authority
JP
Japan
Prior art keywords
gain control
control circuit
linearity
finite
subtracting
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
JP5430277A
Other languages
Japanese (ja)
Inventor
Shigeru Okada
Takao Arai
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 JP5430277A priority Critical patent/JPS53139957A/en
Publication of JPS53139957A publication Critical patent/JPS53139957A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To compensate the deterioration in the linearity for the gain control caused by a finite ON resistance of the diode operating as a variable impedance element, by subtracting the output voltage and the input voltage with a suitable ratio.
COPYRIGHT: (C)1978,JPO&Japio
JP5430277A 1977-05-13 1977-05-13 Gain control circuit Pending JPS53139957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5430277A JPS53139957A (en) 1977-05-13 1977-05-13 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5430277A JPS53139957A (en) 1977-05-13 1977-05-13 Gain control circuit

Publications (1)

Publication Number Publication Date
JPS53139957A true JPS53139957A (en) 1978-12-06

Family

ID=12966766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5430277A Pending JPS53139957A (en) 1977-05-13 1977-05-13 Gain control circuit

Country Status (1)

Country Link
JP (1) JPS53139957A (en)

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