JPH0141047B2 - - Google Patents

Info

Publication number
JPH0141047B2
JPH0141047B2 JP57107904A JP10790482A JPH0141047B2 JP H0141047 B2 JPH0141047 B2 JP H0141047B2 JP 57107904 A JP57107904 A JP 57107904A JP 10790482 A JP10790482 A JP 10790482A JP H0141047 B2 JPH0141047 B2 JP H0141047B2
Authority
JP
Japan
Prior art keywords
output
circuit
amplifier
comparator
resistor
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
JP57107904A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58225712A (ja
Inventor
Seiji Nakama
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 JP57107904A priority Critical patent/JPS58225712A/ja
Publication of JPS58225712A publication Critical patent/JPS58225712A/ja
Publication of JPH0141047B2 publication Critical patent/JPH0141047B2/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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP57107904A 1982-06-23 1982-06-23 自動利得制御回路 Granted JPS58225712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57107904A JPS58225712A (ja) 1982-06-23 1982-06-23 自動利得制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57107904A JPS58225712A (ja) 1982-06-23 1982-06-23 自動利得制御回路

Publications (2)

Publication Number Publication Date
JPS58225712A JPS58225712A (ja) 1983-12-27
JPH0141047B2 true JPH0141047B2 (enEXAMPLES) 1989-09-01

Family

ID=14471009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57107904A Granted JPS58225712A (ja) 1982-06-23 1982-06-23 自動利得制御回路

Country Status (1)

Country Link
JP (1) JPS58225712A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108413A (ja) * 1982-12-14 1984-06-22 Rohm Co Ltd 自動レベル調整回路
JP5363895B2 (ja) * 2009-07-23 2013-12-11 ルネサスエレクトロニクス株式会社 信号線駆動回路及び液晶表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104846A (enEXAMPLES) * 1974-01-21 1975-08-19
JPS5437616A (en) * 1977-08-31 1979-03-20 Fujitsu Ltd Input level supervising system for variable attenuator

Also Published As

Publication number Publication date
JPS58225712A (ja) 1983-12-27

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