JPH0542845B2 - - Google Patents

Info

Publication number
JPH0542845B2
JPH0542845B2 JP60181278A JP18127885A JPH0542845B2 JP H0542845 B2 JPH0542845 B2 JP H0542845B2 JP 60181278 A JP60181278 A JP 60181278A JP 18127885 A JP18127885 A JP 18127885A JP H0542845 B2 JPH0542845 B2 JP H0542845B2
Authority
JP
Japan
Prior art keywords
alc
transistor
collector
region
emitter
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
JP60181278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6240809A (ja
Inventor
Kanji Tanaka
Masanori Fujisawa
Kazuo Tomizuka
Fumio Tosaka
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP60181278A priority Critical patent/JPS6240809A/ja
Publication of JPS6240809A publication Critical patent/JPS6240809A/ja
Publication of JPH0542845B2 publication Critical patent/JPH0542845B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP60181278A 1985-08-19 1985-08-19 Ａｌｃ回路 Granted JPS6240809A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60181278A JPS6240809A (ja) 1985-08-19 1985-08-19 Ａｌｃ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60181278A JPS6240809A (ja) 1985-08-19 1985-08-19 Ａｌｃ回路

Publications (2)

Publication Number Publication Date
JPS6240809A JPS6240809A (ja) 1987-02-21
JPH0542845B2 true JPH0542845B2 (cs) 1993-06-29

Family

ID=16097897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60181278A Granted JPS6240809A (ja) 1985-08-19 1985-08-19 Ａｌｃ回路

Country Status (1)

Country Link
JP (1) JPS6240809A (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123109A (en) * 1980-03-05 1981-09-28 Hitachi Ltd Muting circuit

Also Published As

Publication number Publication date
JPS6240809A (ja) 1987-02-21

Similar Documents

Publication Publication Date Title
US4059808A (en) Differential amplifier
US4489285A (en) Signal processing circuit employing an improved composite current mirror circuit/device
US4463369A (en) Integrated circuit overload protection device
US3882409A (en) Differential amplifier circuit
US4088963A (en) Gain control circuit
EP1181773B1 (en) Overvoltage protection
JPS6142888B2 (cs)
JPS6337966B2 (cs)
EP0091119B1 (en) Monolithic semiconductor integrated a.c. switch circuit
US4051443A (en) Differential amplifier
GB1579945A (en) Audio-frequency power amplifiers
US3968450A (en) Transistor amplifier
JPH0542845B2 (cs)
US4297597A (en) Darlington-connected semiconductor device
US5545918A (en) Circuit construction for controlling saturation of a transistor
US4179650A (en) Variable impedance circuits
JP2614272B2 (ja) フィルター回路
JPS58107707A (ja) 増幅器
JPS6211526B2 (cs)
JPH0210663Y2 (cs)
JP3255226B2 (ja) 電圧制御増幅器
JPH0691384B2 (ja) 半導体集積回路装置
JPH057886B2 (cs)
JPH054283Y2 (cs)
JPH0117850Y2 (cs)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term