JPS58177022A - 自動レベル制御回路 - Google Patents

自動レベル制御回路

Info

Publication number
JPS58177022A
JPS58177022A JP5916882A JP5916882A JPS58177022A JP S58177022 A JPS58177022 A JP S58177022A JP 5916882 A JP5916882 A JP 5916882A JP 5916882 A JP5916882 A JP 5916882A JP S58177022 A JPS58177022 A JP S58177022A
Authority
JP
Japan
Prior art keywords
circuit
output
level
signal
amplifier circuit
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
JP5916882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH041525B2 (enExample
Inventor
Yoshio Ochiai
落合　義雄
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP5916882A priority Critical patent/JPS58177022A/ja
Publication of JPS58177022A publication Critical patent/JPS58177022A/ja
Publication of JPH041525B2 publication Critical patent/JPH041525B2/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)
JP5916882A 1982-04-09 1982-04-09 自動レベル制御回路 Granted JPS58177022A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5916882A JPS58177022A (ja) 1982-04-09 1982-04-09 自動レベル制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5916882A JPS58177022A (ja) 1982-04-09 1982-04-09 自動レベル制御回路

Publications (2)

Publication Number Publication Date
JPS58177022A true JPS58177022A (ja) 1983-10-17
JPH041525B2 JPH041525B2 (enExample) 1992-01-13

Family

ID=13105577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5916882A Granted JPS58177022A (ja) 1982-04-09 1982-04-09 自動レベル制御回路

Country Status (1)

Country Link
JP (1) JPS58177022A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999000895A1 (en) * 1997-06-27 1999-01-07 Matsushita Electric Industrial Co., Ltd. Power amplifier device
JP2007053533A (ja) * 2005-08-17 2007-03-01 Nec Engineering Ltd 振幅制御回路
JP2023074979A (ja) * 2021-11-18 2023-05-30 株式会社 Chiracol アナログ増幅装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999000895A1 (en) * 1997-06-27 1999-01-07 Matsushita Electric Industrial Co., Ltd. Power amplifier device
US6163212A (en) * 1997-06-27 2000-12-19 Matsushita Electric Industrial Co., Ltd. Power amplifier system
JP2007053533A (ja) * 2005-08-17 2007-03-01 Nec Engineering Ltd 振幅制御回路
JP2023074979A (ja) * 2021-11-18 2023-05-30 株式会社 Chiracol アナログ増幅装置

Also Published As

Publication number Publication date
JPH041525B2 (enExample) 1992-01-13

Similar Documents

Publication Publication Date Title
US6556685B1 (en) Companding noise reduction system with simultaneous encode and decode
US5216379A (en) Dynamic bias amplifier
US4887298A (en) Electronic circuit for sensing disconnect or failure of a power output sense line in an audio power system
DE69736338T2 (de) Anordnung zur Beseitigung von Audio-Geräuschen, wenn die Stromversorgung eines Rechners geschaltet wird
KR100339614B1 (ko) 전원의전력공급용량을가상적으로확장하는장치
US5199079A (en) Supply voltage responsive audible transient (POP) suppression arrangement
US7092533B1 (en) BTL amplifier apparatus
US4472687A (en) Audio power amplifier for supplying electric power to a load by switching of power supply voltage
JPH09116354A (ja) 信号増幅器
JPS58177022A (ja) 自動レベル制御回路
US5043686A (en) Adaptive power line noise filter and switch for audio reproduction equipment
DE69614372T2 (de) Lautstärkeregelung mit doppelter wirkungsweise
CN1052604C (zh) 带有瞬态跟踪电源的声频放大器
US5526434A (en) Audio signal output device
JPH06104664A (ja) オーディオ用パワーアンプｉｃ
US6317502B1 (en) Electronic volume control circuit with controlled output characteristic
CN1146104C (zh) 具有暂态恢复辅助装置的放大器设备
US5894522A (en) Distortion reduction system
JPH0145152Y2 (enExample)
JPS6048609A (ja) 自動レベル調整回路
JPS6241482Y2 (enExample)
JP2522936B2 (ja) 自動ラウドネス制御回路
WO1989008970A1 (en) Induction loop driving amplifiers
JPH0645856A (ja) パワーアンプ電源供給装置
US6625277B1 (en) Low current signal compression circuit