JPS58124313A - 録音増幅回路 - Google Patents

録音増幅回路

Info

Publication number
JPS58124313A
JPS58124313A JP711182A JP711182A JPS58124313A JP S58124313 A JPS58124313 A JP S58124313A JP 711182 A JP711182 A JP 711182A JP 711182 A JP711182 A JP 711182A JP S58124313 A JPS58124313 A JP S58124313A
Authority
JP
Japan
Prior art keywords
transistor
circuit
output
current
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.)
Granted
Application number
JP711182A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0161249B2 (en]
Inventor
Shigeru Nakajima
茂 中島
Makoto Fukuyama
誠 福山
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 JP711182A priority Critical patent/JPS58124313A/ja
Publication of JPS58124313A publication Critical patent/JPS58124313A/ja
Publication of JPH0161249B2 publication Critical patent/JPH0161249B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3005Automatic 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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP711182A 1982-01-19 1982-01-19 録音増幅回路 Granted JPS58124313A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP711182A JPS58124313A (ja) 1982-01-19 1982-01-19 録音増幅回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP711182A JPS58124313A (ja) 1982-01-19 1982-01-19 録音増幅回路

Publications (2)

Publication Number Publication Date
JPS58124313A true JPS58124313A (ja) 1983-07-23
JPH0161249B2 JPH0161249B2 (en]) 1989-12-27

Family

ID=11656971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP711182A Granted JPS58124313A (ja) 1982-01-19 1982-01-19 録音増幅回路

Country Status (1)

Country Link
JP (1) JPS58124313A (en])

Also Published As

Publication number Publication date
JPH0161249B2 (en]) 1989-12-27

Similar Documents

Publication Publication Date Title
JP3697679B2 (ja) 安定化電源回路
NL8600292A (nl) Brugversterker.
US3828265A (en) Low frequency power amplifier
JPS58124313A (ja) 録音増幅回路
JPH09199952A (ja) オーディオ信号増幅回路およびこれを用いた携帯用音響機器
JPS6341446B2 (en])
JPS58124312A (ja) Alc回路
JPS58124311A (ja) 録音増幅回路
JPH0161247B2 (en])
JPH10163770A (ja) 直流制御差動ベース電圧発生回路
JPH0421940B2 (en])
US3454889A (en) Audio amplifier including class a driver and class b output stages
JPS58141408A (ja) 集積回路を用いたテ−プレコ−ダ
JP2538013Y2 (ja) ハイパスフィルタ回路
JP3318161B2 (ja) 低電圧動作型増幅装置、および、それを用いた光ピックアップ
JP2000152368A (ja) 圧電スピーカを駆動する増幅器
JPS6325765Y2 (en])
JP2883366B2 (ja) アテネート回路
JPH0226809B2 (en])
JP3338334B2 (ja) 増幅回路
JPS59160804A (ja) 録音増幅回路
JPH02146808A (ja) 差動増幅器
JPS6252489B2 (en])
JPS62281605A (ja) 音声出力増幅回路
JPS5834613A (ja) 可変電子インピ−ダンス装置