IT1241345B - Circuito per la soppressione del rumore di commutazione fra due sorgenti di tensione, in paticolare per stadi audio di preamplificazione - Google Patents

Circuito per la soppressione del rumore di commutazione fra due sorgenti di tensione, in paticolare per stadi audio di preamplificazione

Info

Publication number
IT1241345B
IT1241345B IT67990A IT6799090A IT1241345B IT 1241345 B IT1241345 B IT 1241345B IT 67990 A IT67990 A IT 67990A IT 6799090 A IT6799090 A IT 6799090A IT 1241345 B IT1241345 B IT 1241345B
Authority
IT
Italy
Prior art keywords
switching
datasheet
preamplification
circuit
voltage sources
Prior art date
Application number
IT67990A
Other languages
English (en)
Other versions
IT9067990A0 (it
IT9067990A1 (it
Inventor
Domenico Rossi
Andrea Onetti
Marco Maria Monti
Original Assignee
Sgs Thomson Microelectronics
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 filed Critical Sgs Thomson Microelectronics
Priority to IT67990A priority Critical patent/IT1241345B/it
Publication of IT9067990A0 publication Critical patent/IT9067990A0/it
Priority to EP91120983A priority patent/EP0490295B1/en
Priority to DE69118124T priority patent/DE69118124T2/de
Priority to JP3325932A priority patent/JP2851197B2/ja
Priority to KR1019910022668A priority patent/KR920013886A/ko
Priority to US07/805,494 priority patent/US5241226A/en
Publication of IT9067990A1 publication Critical patent/IT9067990A1/it
Application granted granted Critical
Publication of IT1241345B publication Critical patent/IT1241345B/it

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
IT67990A 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 IT1241345B (it)

Priority Applications (6)

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
EP91120983A EP0490295B1 (en) 1990-12-11 1991-12-06 Circuit for suppressing the noise produced by the switching of two voltage sources, particularly for audio preamplification stages
DE69118124T 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
JP3325932A JP2851197B2 (ja) 1990-12-11 1991-12-10 雑音抑止回路
KR1019910022668A KR920013886A (ko) 1990-12-11 1991-12-11 오디오 예비증폭단의 2전압원 스윗칭으로 발생된 소음의 억제회로
US07/805,494 US5241226A (en) 1990-12-11 1991-12-11 Circuit for suppressing the noise produced by switching between two voltage sources

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 (3)

Publication Number Publication Date
IT9067990A0 IT9067990A0 (it) 1990-12-11
IT9067990A1 IT9067990A1 (it) 1992-06-12
IT1241345B true IT1241345B (it) 1994-01-10

Family

ID=11307004

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (6)

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

Families Citing this family (10)

* 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
DE69223318T2 (de) * 1992-07-29 1998-03-19 St Microelectronics Srl RC-Filter für niedrige und sehr niedrige Frequenzanwendungen
EP0580925A1 (en) * 1992-07-30 1994-02-02 STMicroelectronics S.r.l. Drive circuit for switching signals between magnetic heads and preamplifier stage in a cassette reader
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.
DE10353790B4 (de) 2003-11-18 2022-10-27 Avantgarde Acoustic Lautsprechersysteme Gmbh Elektrische Baugruppe, insbesondere Gleichstromverstärker
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

Also Published As

Publication number Publication date
EP0490295A1 (en) 1992-06-17
JPH0529839A (ja) 1993-02-05
EP0490295B1 (en) 1996-03-20
DE69118124T2 (de) 1996-08-14
IT9067990A0 (it) 1990-12-11
JP2851197B2 (ja) 1999-01-27
US5241226A (en) 1993-08-31
IT9067990A1 (it) 1992-06-12
KR920013886A (ko) 1992-07-29
DE69118124D1 (de) 1996-04-25

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961227