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JPS5360545A - Automatic variable circuit for gain - Google Patents

Automatic variable circuit for gain

Info

Publication number
JPS5360545A
JPS5360545A JP13612076A JP13612076A JPS5360545A JP S5360545 A JPS5360545 A JP S5360545A JP 13612076 A JP13612076 A JP 13612076A JP 13612076 A JP13612076 A JP 13612076A JP S5360545 A JPS5360545 A JP S5360545A
Authority
JP
Japan
Prior art keywords
gain
variable circuit
automatic variable
region
sensitive amplifier
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
JP13612076A
Other languages
Japanese (ja)
Inventor
Tetsuo Kobune
Susumu Hashimoto
Takao Kunii
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 JP13612076A priority Critical patent/JPS5360545A/en
Publication of JPS5360545A publication Critical patent/JPS5360545A/en
Pending 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Burglar Alarm Systems (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:To obtain the circuit, which can operate as a highly sensitive amplifier in the region where input signals are weak and as a low-sensitive amplifier in the region where signals are great, finding the optimum position and the greatest point of the input signal.
JP13612076A 1976-11-11 1976-11-11 Automatic variable circuit for gain Pending JPS5360545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13612076A JPS5360545A (en) 1976-11-11 1976-11-11 Automatic variable circuit for gain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13612076A JPS5360545A (en) 1976-11-11 1976-11-11 Automatic variable circuit for gain

Publications (1)

Publication Number Publication Date
JPS5360545A true JPS5360545A (en) 1978-05-31

Family

ID=15167759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13612076A Pending JPS5360545A (en) 1976-11-11 1976-11-11 Automatic variable circuit for gain

Country Status (1)

Country Link
JP (1) JPS5360545A (en)

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