JPH041524B2 - - Google Patents

Info

Publication number
JPH041524B2
JPH041524B2 JP57218916A JP21891682A JPH041524B2 JP H041524 B2 JPH041524 B2 JP H041524B2 JP 57218916 A JP57218916 A JP 57218916A JP 21891682 A JP21891682 A JP 21891682A JP H041524 B2 JPH041524 B2 JP H041524B2
Authority
JP
Japan
Prior art keywords
voltage
transistor
current
resistor
circuit
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 - Lifetime
Application number
JP57218916A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59108413A (ja
Inventor
Kaoru Izawa
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP21891682A priority Critical patent/JPS59108413A/ja
Publication of JPS59108413A publication Critical patent/JPS59108413A/ja
Publication of JPH041524B2 publication Critical patent/JPH041524B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP21891682A 1982-12-14 1982-12-14 自動レベル調整回路 Granted JPS59108413A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21891682A JPS59108413A (ja) 1982-12-14 1982-12-14 自動レベル調整回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21891682A JPS59108413A (ja) 1982-12-14 1982-12-14 自動レベル調整回路

Publications (2)

Publication Number Publication Date
JPS59108413A JPS59108413A (ja) 1984-06-22
JPH041524B2 true JPH041524B2 (en]) 1992-01-13

Family

ID=16727322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21891682A Granted JPS59108413A (ja) 1982-12-14 1982-12-14 自動レベル調整回路

Country Status (1)

Country Link
JP (1) JPS59108413A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61273006A (ja) * 1985-05-28 1986-12-03 Fujitsu Ten Ltd 音量制御回路
JP4770344B2 (ja) * 2005-09-12 2011-09-14 三菱電機株式会社 電力増幅器
JP2012242331A (ja) * 2011-05-23 2012-12-10 Mitsubishi Electric Corp 振幅制御電圧センサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225712A (ja) * 1982-06-23 1983-12-27 Matsushita Electric Ind Co Ltd 自動利得制御回路

Also Published As

Publication number Publication date
JPS59108413A (ja) 1984-06-22

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