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DE69529401D1 - Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette - Google Patents

Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette

Info

Publication number
DE69529401D1
DE69529401D1 DE69529401T DE69529401T DE69529401D1 DE 69529401 D1 DE69529401 D1 DE 69529401D1 DE 69529401 T DE69529401 T DE 69529401T DE 69529401 T DE69529401 T DE 69529401T DE 69529401 D1 DE69529401 D1 DE 69529401D1
Authority
DE
Germany
Prior art keywords
pass filter
high pass
amplifier chain
offset suppression
suppression
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 - Lifetime
Application number
DE69529401T
Other languages
English (en)
Inventor
Luciano Tomasini
Rinaldo Castello
Ivan Bietti
Giancarlo Clerici
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
STMicroelectronics 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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69529401D1 publication Critical patent/DE69529401D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
    • H03F3/45982—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction by using a feedforward circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45526—Indexing scheme relating to differential amplifiers the FBC comprising a resistor-capacitor combination and being coupled between the LC and the IC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)
DE69529401T 1995-05-22 1995-05-22 Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette Expired - Lifetime DE69529401D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95830217A EP0744829B1 (de) 1995-05-22 1995-05-22 Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette

Publications (1)

Publication Number Publication Date
DE69529401D1 true DE69529401D1 (de) 2003-02-20

Family

ID=8221930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529401T Expired - Lifetime DE69529401D1 (de) 1995-05-22 1995-05-22 Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette

Country Status (3)

Country Link
US (1) US5815037A (de)
EP (1) EP0744829B1 (de)
DE (1) DE69529401D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3381572B2 (ja) 1997-09-24 2003-03-04 安藤電気株式会社 オフセット補正回路及び直流増幅回路
US6448846B2 (en) * 1998-10-01 2002-09-10 Stephen R. Schwartz Controlled phase-canceling circuits/systems
DE19855143C1 (de) * 1998-11-30 2000-09-07 Bosch Gmbh Robert Schaltung und Verfahren zur Aufrechterhaltung der Ansteuerung von Peripherieelementen durch Mikroprozessoren
EP1480333A3 (de) * 2003-05-22 2006-05-03 Matsushita Electric Industrial Co., Ltd. Differentieller Hochfrequenzverstärker, differentieller Mischer, differentieller Oszillator und Hochfrequenzschaltung, welche diese verwendet
EP1645040B1 (de) * 2003-07-07 2018-09-05 Analog Devices, Inc. Variables dämpfungssystem mit kontinuierlicher eingangslenkung
US6937099B2 (en) 2003-12-04 2005-08-30 Analog Devices, Inc. Op-amp configurable in a non-inverting mode with a closed loop gain greater than one with output voltage correction for a time varying voltage reference of the op-amp, and a method for correcting the output voltage of such an op-amp for a time varying voltage reference
DE102004009038B4 (de) * 2004-02-23 2005-12-29 Zentrum Mikroelektronik Dresden Ag Verfahren und Anordnung zur Reduktion eines dynamischen Offsets bei der Verarbeitung unsymmetrischer Signalfolgen
JP3964399B2 (ja) * 2004-03-09 2007-08-22 カルソニックカンセイ株式会社 電動モータ駆動装置
US7528655B2 (en) * 2006-08-03 2009-05-05 Intersil Americas Inc. Amplifier with improved compensation topology and related amplifier circuit, system, and method
TW200931795A (en) * 2008-01-08 2009-07-16 Richtek Technology Corp Apparatus and method for improving the feedback linearity of a 1.5-bit Σ-Δ class-D amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863173A (en) * 1974-06-03 1975-01-28 Gen Electric Amplifier circuit for minimizing voltage offset
FR2304216A1 (fr) * 1975-03-10 1976-10-08 Foret Jacques Procede et dispositif de filtrage a plusieurs voies de sortie
GB1528302A (en) * 1977-02-22 1978-10-11 Standard Telephones Cables Ltd Filters
US4303889A (en) * 1978-12-29 1981-12-01 Nippon Gakki Seizo Kabushiki Kaisha Filter circuit
GB2205210B (en) * 1987-05-27 1991-04-24 Mitsubishi Electric Corp Amplifier circuit including single capacitor for dc differential-input balance
US4833418A (en) * 1988-09-01 1989-05-23 Archive Corporation Compensation circuit for nullifying differential offset voltage and regulating common mode voltage of differential signals
GB2232029A (en) * 1989-05-10 1990-11-28 Philips Electronic Associated D.c. blocking amplifiers
US4982155A (en) * 1989-06-29 1991-01-01 Sprague Electric Company Hall sensor with high pass hall voltage filter

Also Published As

Publication number Publication date
EP0744829B1 (de) 2003-01-15
EP0744829A1 (de) 1996-11-27
US5815037A (en) 1998-09-29

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Legal Events

Date Code Title Description
8332 No legal effect for de