JPH0226809B2 - - Google Patents

Info

Publication number
JPH0226809B2
JPH0226809B2 JP4108082A JP4108082A JPH0226809B2 JP H0226809 B2 JPH0226809 B2 JP H0226809B2 JP 4108082 A JP4108082 A JP 4108082A JP 4108082 A JP4108082 A JP 4108082A JP H0226809 B2 JPH0226809 B2 JP H0226809B2
Authority
JP
Japan
Prior art keywords
transistor
resistor
voltage
base
current
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
JP4108082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58159009A (ja
Inventor
Shigeru Nakajima
Makoto Fukuyama
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.)
Mitsubishi Electric Corp
Panasonic Holdings Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp, Matsushita Electric Industrial Co Ltd filed Critical Mitsubishi Electric Corp
Priority to JP57041080A priority Critical patent/JPS58159009A/ja
Publication of JPS58159009A publication Critical patent/JPS58159009A/ja
Publication of JPH0226809B2 publication Critical patent/JPH0226809B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP57041080A 1982-03-16 1982-03-16 録音増幅回路 Granted JPS58159009A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57041080A JPS58159009A (ja) 1982-03-16 1982-03-16 録音増幅回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57041080A JPS58159009A (ja) 1982-03-16 1982-03-16 録音増幅回路

Publications (2)

Publication Number Publication Date
JPS58159009A JPS58159009A (ja) 1983-09-21
JPH0226809B2 true JPH0226809B2 (cs) 1990-06-13

Family

ID=12598478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57041080A Granted JPS58159009A (ja) 1982-03-16 1982-03-16 録音増幅回路

Country Status (1)

Country Link
JP (1) JPS58159009A (cs)

Also Published As

Publication number Publication date
JPS58159009A (ja) 1983-09-21

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