CA2260915A1 - A method and device for continuous-time filtering in digital cmos process - Google Patents

A method and device for continuous-time filtering in digital cmos process Download PDF

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Publication number
CA2260915A1
CA2260915A1 CA002260915A CA2260915A CA2260915A1 CA 2260915 A1 CA2260915 A1 CA 2260915A1 CA 002260915 A CA002260915 A CA 002260915A CA 2260915 A CA2260915 A CA 2260915A CA 2260915 A1 CA2260915 A1 CA 2260915A1
Authority
CA
Canada
Prior art keywords
pole
current
digital cmos
cmos process
continuous
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.)
Abandoned
Application number
CA002260915A
Other languages
English (en)
French (fr)
Inventor
Nianxiong Tan
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2260915A1 publication Critical patent/CA2260915A1/en
Abandoned 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
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
    • 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
    • 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
    • H03H11/0427—Filters using a single transconductance amplifier; Filters derived from a single transconductor filter, e.g. by element substitution, cascading, parallel connection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
CA002260915A 1996-07-19 1997-06-27 A method and device for continuous-time filtering in digital cmos process Abandoned CA2260915A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9602824A SE508697C2 (sv) 1996-07-19 1996-07-19 Förfarande och anordning för tidskontinuerlig filtrering i digital CMOS-process
SE9602824-6 1996-07-19
PCT/SE1997/001169 WO1998004038A1 (en) 1996-07-19 1997-06-27 A method and device for continuous-time filtering in digital cmos process

Publications (1)

Publication Number Publication Date
CA2260915A1 true CA2260915A1 (en) 1998-01-29

Family

ID=20403437

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002260915A Abandoned CA2260915A1 (en) 1996-07-19 1997-06-27 A method and device for continuous-time filtering in digital cmos process

Country Status (10)

Country Link
EP (1) EP0913029A1 (zh)
JP (1) JP2000514980A (zh)
KR (1) KR20000065251A (zh)
CN (1) CN1108658C (zh)
AU (1) AU3563797A (zh)
CA (1) CA2260915A1 (zh)
HK (1) HK1021595A1 (zh)
SE (1) SE508697C2 (zh)
TW (1) TW349264B (zh)
WO (1) WO1998004038A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011004512A1 (ja) * 2009-07-08 2011-01-13 パナソニック株式会社 フィルタ回路及びこれを備えた光ディスク装置
US8502597B2 (en) * 2009-10-21 2013-08-06 Qualcomm, Incorporated Low-pass filter design
US20140010783A1 (en) 2012-07-06 2014-01-09 Hoffmann-La Roche Inc. Antiviral compounds
KR20150109451A (ko) 2013-01-23 2015-10-01 에프. 호프만-라 로슈 아게 항바이러스성 트라이아졸 유도체
RU2015136256A (ru) 2013-03-05 2017-04-10 Ф. Хоффманн-Ля Рош Аг Противовирусные соединения
CN104679095A (zh) * 2015-02-15 2015-06-03 格科微电子（上海）有限公司 电流源及其阵列、读出电路及其控制方法、放大电路
US11296678B1 (en) * 2020-12-29 2022-04-05 Qualcomm Incorporated Complementary current-mode biquad with high linearity

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4839542A (en) * 1984-08-21 1989-06-13 General Datacomm Industries, Inc. Active transconductance filter device
US4686487A (en) * 1986-07-28 1987-08-11 Commodore Business Machines, Inc. Current mirror amplifier
EP0600141B1 (en) * 1992-10-30 1997-03-05 SGS-THOMSON MICROELECTRONICS S.p.A. Transconductor stage
WO1995006977A1 (en) * 1993-09-02 1995-03-09 National Semiconductor Corporation Active impedance termination

Also Published As

Publication number Publication date
JP2000514980A (ja) 2000-11-07
WO1998004038A1 (en) 1998-01-29
EP0913029A1 (en) 1999-05-06
HK1021595A1 (en) 2000-06-16
SE9602824L (sv) 1998-01-20
CN1225759A (zh) 1999-08-11
SE9602824D0 (sv) 1996-07-19
SE508697C2 (sv) 1998-10-26
KR20000065251A (ko) 2000-11-06
AU3563797A (en) 1998-02-10
CN1108658C (zh) 2003-05-14
TW349264B (en) 1999-01-01

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued