JPS625538B2 - - Google Patents

Info

Publication number
JPS625538B2
JPS625538B2 JP15505980A JP15505980A JPS625538B2 JP S625538 B2 JPS625538 B2 JP S625538B2 JP 15505980 A JP15505980 A JP 15505980A JP 15505980 A JP15505980 A JP 15505980A JP S625538 B2 JPS625538 B2 JP S625538B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
automatic gain
gain control
output
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
JP15505980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5779722A (en
Inventor
Kyoshi Obata
Kinji Kawamoto
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 JP15505980A priority Critical patent/JPS5779722A/ja
Publication of JPS5779722A publication Critical patent/JPS5779722A/ja
Publication of JPS625538B2 publication Critical patent/JPS625538B2/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
    • H03G3/301Automatic 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)
JP15505980A 1980-11-04 1980-11-04 Automatic gain controlling circuit Granted JPS5779722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15505980A JPS5779722A (en) 1980-11-04 1980-11-04 Automatic gain controlling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15505980A JPS5779722A (en) 1980-11-04 1980-11-04 Automatic gain controlling circuit

Publications (2)

Publication Number Publication Date
JPS5779722A JPS5779722A (en) 1982-05-19
JPS625538B2 true JPS625538B2 (de) 1987-02-05

Family

ID=15597762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15505980A Granted JPS5779722A (en) 1980-11-04 1980-11-04 Automatic gain controlling circuit

Country Status (1)

Country Link
JP (1) JPS5779722A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153614A (ja) * 1984-01-24 1985-08-13 Toshiba Corp 自動レベル制御回路装置
FI92531C (fi) * 1991-07-23 1994-11-25 Nokia Mobile Phones Ltd Suurtaajuusilmaisin laajalla dynamiikalla
GB9505946D0 (en) * 1995-03-23 1995-05-10 Rca Thomson Licensing Corp Automatic sound level control

Also Published As

Publication number Publication date
JPS5779722A (en) 1982-05-19

Similar Documents

Publication Publication Date Title
US3939399A (en) Power circuit with shunt transistor
JPH0147048B2 (de)
US4140960A (en) Current control circuit
US3786200A (en) Amplifier for use in communication systems
US4088963A (en) Gain control circuit
JPH07212156A (ja) リミッタ回路
JPS625538B2 (de)
US4290026A (en) Power amplifier whose bias voltage changes depending on power supply voltage
JP2533201B2 (ja) Am検波回路
JPH0823780B2 (ja) トランジスタ回路
US3974400A (en) Limiter circuit
US4527104A (en) Speed control apparatus for d.c. motor
JPS6228887B2 (de)
US3519946A (en) Class a audio amplifier
US3041544A (en) Stabilized signal amplifier circuits employing transistors
US4051442A (en) Gain control circuits for audio amplifiers
JPH0326565B2 (de)
JPS6126845B2 (de)
JP2777002B2 (ja) モータ駆動装置
JPH0413848Y2 (de)
JP2623954B2 (ja) 利得可変増幅器
JPH0648980Y2 (ja) Alc回路
US3952259A (en) Gain control apparatus
JPH0311939Y2 (de)
JPS59207716A (ja) 自動レベル制御回路