DE9300550U1 - - Google Patents

Info

Publication number
DE9300550U1
DE9300550U1 DE9300550U DE9300550U DE9300550U1 DE 9300550 U1 DE9300550 U1 DE 9300550U1 DE 9300550 U DE9300550 U DE 9300550U DE 9300550 U DE9300550 U DE 9300550U DE 9300550 U1 DE9300550 U1 DE 9300550U1
Authority
DE
Germany
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
DE9300550U
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of DE9300550U1 publication Critical patent/DE9300550U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0433—Two integrator loop filters
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • 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
DE9300550U 1992-07-23 1993-01-18 Expired - Lifetime DE9300550U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/918,172 US5311088A (en) 1992-07-23 1992-07-23 Transconductance cell with improved linearity

Publications (1)

Publication Number Publication Date
DE9300550U1 true DE9300550U1 (de) 1993-03-04

Family

ID=25439915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9300550U Expired - Lifetime DE9300550U1 (de) 1992-07-23 1993-01-18

Country Status (4)

Country Link
US (1) US5311088A (de)
JP (1) JP3115741B2 (de)
KR (1) KR0134178B1 (de)
DE (1) DE9300550U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0663719A2 (de) * 1994-01-12 1995-07-19 Hitachi, Ltd. Analoge Filterschaltung und integrierte Halbleiterschaltungsanordnung mit dieser Schaltung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69231151T2 (de) * 1992-08-26 2001-02-15 St Microelectronics Srl Transkonduktanzstufe
EP0600141B1 (de) * 1992-10-30 1997-03-05 SGS-THOMSON MICROELECTRONICS S.p.A. Transkonduktanzstufe
US5528179A (en) * 1995-05-31 1996-06-18 Texas Instruments Incorporated Constant capacitance prgrammable transconductance input stage
US5650747A (en) * 1995-10-05 1997-07-22 Chen; Xiaole Circuit technique for implementing programmable zeros in high speed CMOS filters
US5966087A (en) * 1998-02-26 1999-10-12 Motorola, Inc. Apparatus providing a substantially equal transconductance ratio and method
US6038266A (en) * 1998-09-30 2000-03-14 Lucent Technologies, Inc. Mixed mode adaptive analog receive architecture for data communications
US6287263B1 (en) 1999-02-08 2001-09-11 Cardiac Pacemakers, Inc. System for processing bursted amplitude modulated signals using an impedance sensor
AU3485200A (en) * 1999-02-08 2000-08-25 Boris Briskin Signal processing system using improved transconductance cell
US6310512B1 (en) 1999-11-22 2001-10-30 Cardiac Pacemakers, Inc. Integrated self-adjustable continuous time band pass filter based upon Gm cell with bipolar transistors
US6329865B1 (en) 1999-03-18 2001-12-11 Maxim Integrated Products, Inc. Linearized transconductance cell
US6429733B1 (en) * 1999-05-13 2002-08-06 Honeywell International Inc. Filter with controlled offsets for active filter selectivity and DC offset control
JP4459499B2 (ja) * 1999-11-09 2010-04-28 ザット コーポレーション 改良された浮動平衡出力回路
US7002403B2 (en) * 2002-09-13 2006-02-21 Broadcom Corporation Transconductance/C complex band-pass filter
JP5008125B2 (ja) * 2007-01-04 2012-08-22 ルネサスエレクトロニクス株式会社 フィルタ回路及び半導体集積回路装置
US8671370B2 (en) * 2009-06-01 2014-03-11 Pike Group Llc Chain/leapfrog circuit topologies and tools for carbon nanotube/graphene nanoribbon nanoelectronics, printed electronics, polymer electronics, and their confluences
US8522184B2 (en) 2010-05-26 2013-08-27 Pike Group Llc Hierachically-modular nanoelectronic differential amplifiers, op amps, and associated current sources utilizing carbon nanotubes, graphene nanoribbons, printed electronics, polymer semiconductors, or other related materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374335A (en) * 1980-05-19 1983-02-15 Precision Monolithics, Inc. Tuneable I.C. active integrator
NL8901837A (nl) * 1989-07-17 1991-02-18 Philips Nv Filterschakeling met een versterker en een kondensator.
US5001441A (en) * 1989-10-30 1991-03-19 Allied-Signal Inc. Operational transconductance amplifier programmable filter
US5051628A (en) * 1990-01-02 1991-09-24 Motorola, Inc. Integrated filter circuit
NL9002154A (nl) * 1990-10-04 1992-05-06 Philips Nv Companderende stroom-modus transconductor-c integrator.
US5093634A (en) * 1990-10-31 1992-03-03 At&T Bell Laboratories Merged current clamp in triple-input transconductor, for use in oscillator
JP2520055B2 (ja) * 1991-04-10 1996-07-31 東光株式会社 有極型リ−プフロッグ・フィルタ
JP3058935B2 (ja) * 1991-04-26 2000-07-04 株式会社東芝 基準電流発生回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0663719A2 (de) * 1994-01-12 1995-07-19 Hitachi, Ltd. Analoge Filterschaltung und integrierte Halbleiterschaltungsanordnung mit dieser Schaltung
EP0663719A3 (de) * 1994-01-12 1995-09-06 Hitachi, Ltd. Analoge Filterschaltung und integrierte Halbleiterschaltungsanordnung mit dieser Schaltung
US5594383A (en) * 1994-01-12 1997-01-14 Hitachi, Ltd. Analog filter circuit and semiconductor integrated circuit device using the same

Also Published As

Publication number Publication date
JPH06177704A (ja) 1994-06-24
KR0134178B1 (ko) 1998-04-29
US5311088A (en) 1994-05-10
KR940003172A (ko) 1994-02-21
JP3115741B2 (ja) 2000-12-11

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