ATE250824T1 - Polyphasenfilter - Google Patents

Polyphasenfilter

Info

Publication number
ATE250824T1
ATE250824T1 AT00983445T AT00983445T ATE250824T1 AT E250824 T1 ATE250824 T1 AT E250824T1 AT 00983445 T AT00983445 T AT 00983445T AT 00983445 T AT00983445 T AT 00983445T AT E250824 T1 ATE250824 T1 AT E250824T1
Authority
AT
Austria
Prior art keywords
filter
ciq
cii
input signal
capacitive
Prior art date
Application number
AT00983445T
Other languages
German (de)
English (en)
Inventor
Berend Hendrik Essink
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE250824T1 publication Critical patent/ATE250824T1/de

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
    • H03H11/16—Networks for phase shifting
    • H03H11/22—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
    • 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
    • H03H11/08—Frequency selective two-port networks using gyrators
    • 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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • 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
    • H03H2011/0494—Complex filters

Landscapes

  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Power Conversion In General (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Glass Compositions (AREA)
AT00983445T 1999-12-24 2000-12-22 Polyphasenfilter ATE250824T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013951A NL1013951C2 (nl) 1999-12-24 1999-12-24 Polyfase filter.
PCT/IB2000/001975 WO2001048918A2 (en) 1999-12-24 2000-12-22 Polyphase filter

Publications (1)

Publication Number Publication Date
ATE250824T1 true ATE250824T1 (de) 2003-10-15

Family

ID=19770510

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00983445T ATE250824T1 (de) 1999-12-24 2000-12-22 Polyphasenfilter

Country Status (10)

Country Link
US (1) US6346850B2 (https=)
EP (1) EP1247339B1 (https=)
JP (1) JP4763206B2 (https=)
CN (1) CN1183672C (https=)
AT (1) ATE250824T1 (https=)
AU (1) AU2019901A (https=)
DE (1) DE60005561T2 (https=)
MY (1) MY121473A (https=)
NL (1) NL1013951C2 (https=)
WO (1) WO2001048918A2 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030128068A1 (en) * 2001-08-16 2003-07-10 Farbod Behbahani Low noise image-reject gm-c filter
JP2005522906A (ja) * 2002-04-11 2005-07-28 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 積分器付きポリフェーズフィルタ
EP1510001B1 (en) * 2002-06-03 2009-02-25 Telefonaktiebolaget LM Ericsson (publ) An amplifier circuit, gyrator circuit, filter device and method for amplifying a signal
CN100426670C (zh) * 2002-08-15 2008-10-15 联发科技股份有限公司 多相滤波器电路
US7098731B1 (en) 2004-01-13 2006-08-29 Wyszynski Adam S Synthesis method for an active polyphase filter
DE102004030229A1 (de) * 2004-06-23 2006-01-19 Infineon Technologies Ag Funkabfragbarer Datenträger
US7689189B2 (en) * 2005-04-06 2010-03-30 Silicon Laboratories Inc. Circuit and method for signal reception using a low intermediate frequency reception
US7196574B1 (en) * 2005-06-22 2007-03-27 Vishinsky Adam S Active polyphase ladder filters with transmission zeros and their synthesis method
US7973861B2 (en) * 2007-04-19 2011-07-05 Newport Media, Inc. Universal tuner for mobile TV
US8412141B2 (en) * 2009-10-19 2013-04-02 Qualcomm Incorporated LR polyphase filter
DE102010031535A1 (de) 2010-07-19 2012-01-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bildaufnahmevorrichtung und Verfahren zum Aufnehmen eines Bildes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8801412A (nl) 1988-06-02 1990-01-02 Philips Nv Asymmetrisch polyfase filter.
EP0763278B1 (en) * 1995-04-03 2001-10-24 Koninklijke Philips Electronics N.V. Quadrature signal conversion device
GB9605719D0 (en) * 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
WO1999016179A2 (en) * 1997-09-25 1999-04-01 Koninklijke Philips Electronics N.V. Improvements in or relating to phasing receivers

Also Published As

Publication number Publication date
EP1247339A2 (en) 2002-10-09
US6346850B2 (en) 2002-02-12
WO2001048918A2 (en) 2001-07-05
NL1013951C2 (nl) 2001-07-02
MY121473A (en) 2006-01-28
WO2001048918A3 (en) 2002-03-07
JP4763206B2 (ja) 2011-08-31
JP2003518863A (ja) 2003-06-10
AU2019901A (en) 2001-07-09
CN1413379A (zh) 2003-04-23
EP1247339B1 (en) 2003-09-24
CN1183672C (zh) 2005-01-05
US20010013807A1 (en) 2001-08-16
DE60005561D1 (en) 2003-10-30
DE60005561T2 (de) 2004-04-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties