DE69118124T2 - Schaltung für die Unterdrückung des durch das Schalten von zwei Spannungsquellen, hervorgerufen Geräusches, insbesondere für Audio-Vorverstärkerstufen - Google Patents

Schaltung für die Unterdrückung des durch das Schalten von zwei Spannungsquellen, hervorgerufen Geräusches, insbesondere für Audio-Vorverstärkerstufen

Info

Publication number
DE69118124T2
DE69118124T2 DE69118124T DE69118124T DE69118124T2 DE 69118124 T2 DE69118124 T2 DE 69118124T2 DE 69118124 T DE69118124 T DE 69118124T DE 69118124 T DE69118124 T DE 69118124T DE 69118124 T2 DE69118124 T2 DE 69118124T2
Authority
DE
Germany
Prior art keywords
suppression
switching
circuit
noise caused
voltage sources
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
DE69118124T
Other languages
English (en)
Other versions
DE69118124D1 (de
Inventor
Domenico Rossi
Andrea Onetti
Marco Maria Monti
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 DE69118124D1 publication Critical patent/DE69118124D1/de
Publication of DE69118124T2 publication Critical patent/DE69118124T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69118124T 1990-12-11 1991-12-06 Schaltung für die Unterdrückung des durch das Schalten von zwei Spannungsquellen, hervorgerufen Geräusches, insbesondere für Audio-Vorverstärkerstufen Expired - Fee Related DE69118124T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67990A IT1241345B (it) 1990-12-11 1990-12-11 Circuito per la soppressione del rumore di commutazione fra due sorgenti di tensione, in paticolare per stadi audio di preamplificazione

Publications (2)

Publication Number Publication Date
DE69118124D1 DE69118124D1 (de) 1996-04-25
DE69118124T2 true DE69118124T2 (de) 1996-08-14

Family

ID=11307004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118124T Expired - Fee Related DE69118124T2 (de) 1990-12-11 1991-12-06 Schaltung für die Unterdrückung des durch das Schalten von zwei Spannungsquellen, hervorgerufen Geräusches, insbesondere für Audio-Vorverstärkerstufen

Country Status (6)

Country Link
US (1) US5241226A (de)
EP (1) EP0490295B1 (de)
JP (1) JP2851197B2 (de)
KR (1) KR920013886A (de)
DE (1) DE69118124T2 (de)
IT (1) IT1241345B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353790B4 (de) 2003-11-18 2022-10-27 Avantgarde Acoustic Lautsprechersysteme Gmbh Elektrische Baugruppe, insbesondere Gleichstromverstärker

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394028A (en) * 1992-06-26 1995-02-28 Motorola, Inc. Apparatus for transitioning between power supply levels
EP0580922B1 (de) * 1992-07-29 1997-11-26 STMicroelectronics S.r.l. RC-Filter für niedrige und sehr niedrige Frequenzanwendungen
EP0580925A1 (de) * 1992-07-30 1994-02-02 STMicroelectronics S.r.l. Steuerschaltung für Umschaltsignale von Magnetköpfen an eine Vorverstärkerstufe eines Kassettenlesegerätes
US5422807A (en) * 1992-08-31 1995-06-06 Microchip Technology Incorporated Microcontroller with improved A/D conversion
US6335656B1 (en) * 1999-09-30 2002-01-01 Analog Devices, Inc. Direct conversion receivers and filters adapted for use therein
WO2002015388A2 (en) * 2000-08-11 2002-02-21 Maxim Integrated Products, Inc. Amplifier circuits and methods to provide smooth transition of amplifier outputs during powering sequences
NL1021125C2 (nl) * 2002-07-22 2004-01-23 Nedap Nv Schakelende modulator.
US7005879B1 (en) * 2005-03-01 2006-02-28 International Business Machines Corporation Device for probe card power bus noise reduction
CN116318153A (zh) * 2023-05-10 2023-06-23 微龛(广州)半导体有限公司 参考电压驱动电路、模数转换器、芯片及驱动方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2022949B (en) * 1978-05-15 1982-12-08 Tokyo Shibaura Electric Co Blas circuit for a linear amplifier
JPS5717204A (en) * 1980-07-04 1982-01-28 Fujitsu Ltd Transient sound prevention type power amplifying circuit
US4386378A (en) * 1981-01-23 1983-05-31 Sony Corporation High gain, current mode preamplifier
US4405901A (en) * 1981-02-23 1983-09-20 Tokyo Shibaura Denki Kabushiki Kaisha Signal processing circuit
US4536666A (en) * 1982-11-26 1985-08-20 Tektronix, Inc. Trigger coupling circuit for providing a plurality of coupling modes
US4578646A (en) * 1984-02-08 1986-03-25 Hitachi, Ltd Integral-type small signal input circuit
US4604584A (en) * 1985-06-10 1986-08-05 Motorola, Inc. Switched capacitor precision difference amplifier
US4739189A (en) * 1985-09-06 1988-04-19 Tektronix, Inc. Rapid slewing filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10353790B4 (de) 2003-11-18 2022-10-27 Avantgarde Acoustic Lautsprechersysteme Gmbh Elektrische Baugruppe, insbesondere Gleichstromverstärker

Also Published As

Publication number Publication date
US5241226A (en) 1993-08-31
IT9067990A1 (it) 1992-06-12
KR920013886A (ko) 1992-07-29
IT1241345B (it) 1994-01-10
JPH0529839A (ja) 1993-02-05
DE69118124D1 (de) 1996-04-25
EP0490295B1 (de) 1996-03-20
EP0490295A1 (de) 1992-06-17
JP2851197B2 (ja) 1999-01-27
IT9067990A0 (it) 1990-12-11

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Legal Events

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