JPS58178615A - Ａｌｃ付録音増幅回路 - Google Patents

Ａｌｃ付録音増幅回路

Info

Publication number
JPS58178615A
JPS58178615A JP57061598A JP6159882A JPS58178615A JP S58178615 A JPS58178615 A JP S58178615A JP 57061598 A JP57061598 A JP 57061598A JP 6159882 A JP6159882 A JP 6159882A JP S58178615 A JPS58178615 A JP S58178615A
Authority
JP
Japan
Prior art keywords
transistor
circuit
resistor
current
base
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
JP57061598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0161247B2 (enExample
Inventor
Shigeru Nakajima
茂 中島
Hidemi Ueno
秀己 上野
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 JP57061598A priority Critical patent/JPS58178615A/ja
Publication of JPS58178615A publication Critical patent/JPS58178615A/ja
Publication of JPH0161247B2 publication Critical patent/JPH0161247B2/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)
JP57061598A 1982-04-13 1982-04-13 Ａｌｃ付録音増幅回路 Granted JPS58178615A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57061598A JPS58178615A (ja) 1982-04-13 1982-04-13 Ａｌｃ付録音増幅回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57061598A JPS58178615A (ja) 1982-04-13 1982-04-13 Ａｌｃ付録音増幅回路

Publications (2)

Publication Number Publication Date
JPS58178615A true JPS58178615A (ja) 1983-10-19
JPH0161247B2 JPH0161247B2 (enExample) 1989-12-27

Family

ID=13175746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57061598A Granted JPS58178615A (ja) 1982-04-13 1982-04-13 Ａｌｃ付録音増幅回路

Country Status (1)

Country Link
JP (1) JPS58178615A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135220U (enExample) * 1986-02-20 1987-08-26
JPS6316712U (enExample) * 1986-07-17 1988-02-03
JP2010271072A (ja) * 2009-05-19 2010-12-02 Naa Fueling Facilities Corp 管厚測定装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5095916U (enExample) * 1973-12-28 1975-08-11
JPS5148246A (en) * 1974-10-23 1976-04-24 Matsushita Electric Industrial Co Ltd Ritokuseigyokirikaesochi

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5095916U (enExample) * 1973-12-28 1975-08-11
JPS5148246A (en) * 1974-10-23 1976-04-24 Matsushita Electric Industrial Co Ltd Ritokuseigyokirikaesochi

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135220U (enExample) * 1986-02-20 1987-08-26
JPS6316712U (enExample) * 1986-07-17 1988-02-03
JP2010271072A (ja) * 2009-05-19 2010-12-02 Naa Fueling Facilities Corp 管厚測定装置

Also Published As

Publication number Publication date
JPH0161247B2 (enExample) 1989-12-27

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