NL1013951C2 - Polyfase filter. - Google Patents

Polyfase filter. Download PDF

Info

Publication number
NL1013951C2
NL1013951C2 NL1013951A NL1013951A NL1013951C2 NL 1013951 C2 NL1013951 C2 NL 1013951C2 NL 1013951 A NL1013951 A NL 1013951A NL 1013951 A NL1013951 A NL 1013951A NL 1013951 C2 NL1013951 C2 NL 1013951C2
Authority
NL
Netherlands
Prior art keywords
filter
channel
current source
capacitive
parallel
Prior art date
Application number
NL1013951A
Other languages
English (en)
Dutch (nl)
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
Priority to NL1013951A priority Critical patent/NL1013951C2/nl
Priority to US09/741,014 priority patent/US6346850B2/en
Priority to DE60005561T priority patent/DE60005561T2/de
Priority to MYPI20006104A priority patent/MY121473A/en
Priority to AT00983445T priority patent/ATE250824T1/de
Priority to PCT/IB2000/001975 priority patent/WO2001048918A2/en
Priority to AU20199/01A priority patent/AU2019901A/en
Priority to CN00817695.7A priority patent/CN1183672C/zh
Priority to EP00983445A priority patent/EP1247339B1/en
Priority to JP2001548523A priority patent/JP4763206B2/ja
Application granted granted Critical
Publication of NL1013951C2 publication Critical patent/NL1013951C2/nl

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)
  • Glass Compositions (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Power Conversion In General (AREA)
NL1013951A 1999-12-24 1999-12-24 Polyfase filter. NL1013951C2 (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL1013951A NL1013951C2 (nl) 1999-12-24 1999-12-24 Polyfase filter.
US09/741,014 US6346850B2 (en) 1999-12-24 2000-12-21 Polyphase filter
MYPI20006104A MY121473A (en) 1999-12-24 2000-12-22 Polyphase filter
AT00983445T ATE250824T1 (de) 1999-12-24 2000-12-22 Polyphasenfilter
DE60005561T DE60005561T2 (de) 1999-12-24 2000-12-22 Polyphasenfilter
PCT/IB2000/001975 WO2001048918A2 (en) 1999-12-24 2000-12-22 Polyphase filter
AU20199/01A AU2019901A (en) 1999-12-24 2000-12-22 Polyphase filter
CN00817695.7A CN1183672C (zh) 1999-12-24 2000-12-22 多相滤波器
EP00983445A EP1247339B1 (en) 1999-12-24 2000-12-22 Polyphase filter
JP2001548523A JP4763206B2 (ja) 1999-12-24 2000-12-22 多相フィルタ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013951A NL1013951C2 (nl) 1999-12-24 1999-12-24 Polyfase filter.
NL1013951 1999-12-24

Publications (1)

Publication Number Publication Date
NL1013951C2 true NL1013951C2 (nl) 2001-07-02

Family

ID=19770510

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1013951A NL1013951C2 (nl) 1999-12-24 1999-12-24 Polyfase filter.

Country Status (10)

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

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
EP1500192A1 (en) * 2002-04-11 2005-01-26 Koninklijke Philips Electronics N.V. Polyphase filter with integrators
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.
JP4148992B2 (ja) * 1995-04-03 2008-09-10 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 直角位相信号変換装置
GB9605719D0 (en) * 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
JP2001506108A (ja) * 1997-09-25 2001-05-08 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 整相受信機における、または、整相受信機に関する改良

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CROLS J ET AL: "AN ANALOG INTEGRATED POLYPHASE FILTER FOR A HIGH PERFORMANCE LOW-IFRECEIVER", SYMPOSIUM ON VLSI CIRCUITS,US,NEW YORK, IEEE, 8 June 1995 (1995-06-08), pages 87 - 88, XP000557814, ISBN: 0-7803-2600-8 *
DE HEIJ W J A ET AL: "TRANSCONDUCTOR AND INTEGRATOR CIRCUITS FOR INTEGRATED BIPOLAR VIDEO FREQUENCY FILTERS. TRANSCONDUCTOR AND INTEGRATOR CIRCUITS FOR INTEGRATED BIPOLAR VIDEO FREQUENCY FILTERS", PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS,US,NEW YORK, IEEE, vol. SYMP. 22, 8 May 1989 (1989-05-08), pages 114 - 117, XP000131576 *

Also Published As

Publication number Publication date
EP1247339A2 (en) 2002-10-09
DE60005561D1 (en) 2003-10-30
CN1413379A (zh) 2003-04-23
DE60005561T2 (de) 2004-04-29
JP2003518863A (ja) 2003-06-10
CN1183672C (zh) 2005-01-05
WO2001048918A2 (en) 2001-07-05
AU2019901A (en) 2001-07-09
JP4763206B2 (ja) 2011-08-31
ATE250824T1 (de) 2003-10-15
WO2001048918A3 (en) 2002-03-07
MY121473A (en) 2006-01-28
US6346850B2 (en) 2002-02-12
EP1247339B1 (en) 2003-09-24
US20010013807A1 (en) 2001-08-16

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Effective date: 20190101