DE68920909D1 - Stummschaltung für Audioverstärker. - Google Patents

Stummschaltung für Audioverstärker.

Info

Publication number
DE68920909D1
DE68920909D1 DE68920909T DE68920909T DE68920909D1 DE 68920909 D1 DE68920909 D1 DE 68920909D1 DE 68920909 T DE68920909 T DE 68920909T DE 68920909 T DE68920909 T DE 68920909T DE 68920909 D1 DE68920909 D1 DE 68920909D1
Authority
DE
Germany
Prior art keywords
mute
audio amplifiers
amplifiers
audio
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 - Fee Related
Application number
DE68920909T
Other languages
English (en)
Other versions
DE68920909T2 (de
Inventor
Edoardo Botti
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.)
STMicroelectronics SRL
Original Assignee
SGS Thomson Microelectronics SRL
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 SGS Thomson Microelectronics SRL filed Critical SGS Thomson Microelectronics SRL
Application granted granted Critical
Publication of DE68920909D1 publication Critical patent/DE68920909D1/de
Publication of DE68920909T2 publication Critical patent/DE68920909T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
DE68920909T 1988-06-02 1989-05-16 Stummschaltung für Audioverstärker. Expired - Fee Related DE68920909T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20848/88A IT1217773B (it) 1988-06-02 1988-06-02 Circuito di ammutolimento per amplificatori audio

Publications (2)

Publication Number Publication Date
DE68920909D1 true DE68920909D1 (de) 1995-03-16
DE68920909T2 DE68920909T2 (de) 1995-10-05

Family

ID=11172975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920909T Expired - Fee Related DE68920909T2 (de) 1988-06-02 1989-05-16 Stummschaltung für Audioverstärker.

Country Status (5)

Country Link
US (1) US4956616A (de)
EP (1) EP0344510B1 (de)
JP (1) JPH02111110A (de)
DE (1) DE68920909T2 (de)
IT (1) IT1217773B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0666592B2 (ja) * 1989-11-30 1994-08-24 株式会社東芝 電力増幅装置
US5426394A (en) * 1993-03-12 1995-06-20 Thomson Consumer Electronics S.A. Sound intermediate frequency amplifier for a broadcast receiver
DE4329638C2 (de) * 1993-09-02 1996-10-24 Telefunken Microelectron Lauthöreinrichtung
DE69406108T2 (de) * 1994-04-15 1998-02-12 St Microelectronics Srl Niederfrequenzverstärker
US6316993B1 (en) * 1999-02-22 2001-11-13 Texas Instruments Incorporated Analog circuitry for start-up glitch suppression
TWI320996B (en) * 2006-07-06 2010-02-21 Tatung Co Pop sound prevention module and speaker apparatus thereof
US7460441B2 (en) * 2007-01-12 2008-12-02 Microchip Technology Incorporated Measuring a long time period
CN102868956B (zh) * 2012-09-24 2015-02-11 深圳市纳芯威科技有限公司 噪声门电路以及音频功放设备
CN113824470A (zh) * 2021-09-26 2021-12-21 海南宝通实业公司 一种跳频收信话音质量的改善方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339170Y2 (de) * 1971-12-17 1978-09-21
US4034268A (en) * 1975-11-10 1977-07-05 Heath Company Speaker protection circuit
JPS5935522B2 (ja) * 1979-10-16 1984-08-29 ヤマハ株式会社 電力増幅器
JPS60229507A (ja) * 1984-04-27 1985-11-14 Matsushita Electric Ind Co Ltd ミユ−ト回路
JP3546335B2 (ja) * 1994-06-21 2004-07-28 生化学工業株式会社 注射具のシリンダ筒のための補助具

Also Published As

Publication number Publication date
EP0344510A3 (en) 1990-12-05
JPH02111110A (ja) 1990-04-24
DE68920909T2 (de) 1995-10-05
IT1217773B (it) 1990-03-30
US4956616A (en) 1990-09-11
EP0344510A2 (de) 1989-12-06
EP0344510B1 (de) 1995-02-01
IT8820848A0 (it) 1988-06-02

Similar Documents

Publication Publication Date Title
DE3870475D1 (de) Tonfrequenzverstaerker.
MX158312A (es) Amplificador digital de audio
DE68918227D1 (de) Audioverstärker mit Stumm- und Bereitschaftzustand.
DE59201179D1 (de) Membrane für Konuslautsprecher.
DE68919960D1 (de) Vorladungssteuerung für Leseverstärker.
NL192286B (nl) Meerkanaalsaudioreproduktie-apparaat.
DE68915829T2 (de) Tonlautsprechersystem.
DE3879600D1 (de) Operationsverstaerker.
DE68920909D1 (de) Stummschaltung für Audioverstärker.
DE69414152T2 (de) Audioverstärkeranordnung
FI860792A (fi) En audio/videoadapter foer audiovisuella apparater.
DE68922250T3 (de) Verstärkungsregelung für Tonwiedergabegerät.
DE69011919D1 (de) Ausgangsstufe für einen Operationsverstärker.
DE69219254T2 (de) Audioverstärker
DE68919564T2 (de) Wiedergabegerät für FM-Audio-Signale.
DE3850923D1 (de) Operationsverstärkerstufen.
IT8322607A0 (it) Complesso amplificatore audio.
DE68924641D1 (de) Demodulatorschaltung für audiosignale.
DE3887817T2 (de) Steuerschaltung für Leseverstärker.
IT1215452B (it) Amplificatore audio cosiddetto bridge perfezionato.
DE68920029D1 (de) Demodulatorschaltung für audiosignale.
DE68907671T2 (de) Tonfrequenzverstärker.
DE69423808T2 (de) Audioverstärkeranordnung
DE3787376T2 (de) Tonfrequenzverstärker.
NO871176D0 (no) Audioforsterker.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee