FR2783110B1 - Dispositif de circuit melangeur a rejection d'image - Google Patents

Dispositif de circuit melangeur a rejection d'image

Info

Publication number
FR2783110B1
FR2783110B1 FR9911214A FR9911214A FR2783110B1 FR 2783110 B1 FR2783110 B1 FR 2783110B1 FR 9911214 A FR9911214 A FR 9911214A FR 9911214 A FR9911214 A FR 9911214A FR 2783110 B1 FR2783110 B1 FR 2783110B1
Authority
FR
France
Prior art keywords
circuit device
mixer circuit
image rejection
rejection mixer
image
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 - Fee Related
Application number
FR9911214A
Other languages
English (en)
Other versions
FR2783110A1 (fr
Inventor
Viatcheslay Igor Souetinov
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.)
Microsemi Semiconductor Ltd
Original Assignee
Mitel Semiconductor Ltd
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 Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Publication of FR2783110A1 publication Critical patent/FR2783110A1/fr
Application granted granted Critical
Publication of FR2783110B1 publication Critical patent/FR2783110B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
FR9911214A 1998-09-08 1999-09-08 Dispositif de circuit melangeur a rejection d'image Expired - Fee Related FR2783110B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9819428A GB2341502B (en) 1998-09-08 1998-09-08 Image reject mixer circuit arrangements

Publications (2)

Publication Number Publication Date
FR2783110A1 FR2783110A1 (fr) 2000-03-10
FR2783110B1 true FR2783110B1 (fr) 2001-12-14

Family

ID=10838432

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9911214A Expired - Fee Related FR2783110B1 (fr) 1998-09-08 1999-09-08 Dispositif de circuit melangeur a rejection d'image

Country Status (4)

Country Link
US (1) US6324388B1 (fr)
DE (1) DE19942810A1 (fr)
FR (1) FR2783110B1 (fr)
GB (1) GB2341502B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2281236C (fr) 1999-09-01 2010-02-09 Tajinder Manku Methodes rf de conversion directe au moyen d'un signal virtuel d'oscillateur local
US6725029B1 (en) * 2000-03-10 2004-04-20 Northrop Grumman Corporation Compact, space efficient, sub-harmonic image reject mixer
FI108584B (fi) * 2000-03-24 2002-02-15 Nokia Corp Menetelmä välitaajuussignaalin muodostamiseksi sekoittimessa ja sekoitin
FR2807896A1 (fr) * 2000-04-18 2001-10-19 Koninkl Philips Electronics Nv Convertisseur de frequence faible bruit a forte rejection de frequence image
US6980787B1 (en) * 2000-09-26 2005-12-27 Ati International Srl Image rejection mixing in wideband applications
JP4001818B2 (ja) * 2001-01-24 2007-10-31 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 直交低ノイズ増幅器を備えるフロントエンド及び高周波受信器
US20020183033A1 (en) * 2001-04-05 2002-12-05 Sarnoff Corporation Commutating image-reject mixer
US20030088687A1 (en) 2001-12-28 2003-05-08 Lee Begeja Method and apparatus for automatically converting source video into electronic mail messages
US20030163815A1 (en) * 2001-04-06 2003-08-28 Lee Begeja Method and system for personalized multimedia delivery service
US7039382B2 (en) * 2001-05-15 2006-05-02 Broadcom Corporation DC offset calibration for a radio transceiver mixer
GB2380877B (en) * 2001-09-27 2003-09-03 Maryland Semiconductor Corp Image reject receiver
US7054609B2 (en) 2002-04-04 2006-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Linearity improvement of Gilbert mixers
US6891423B2 (en) 2002-04-04 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Quadrature switching mixer with reduced leakage
US7672659B2 (en) 2002-04-04 2010-03-02 Telefonaktiebolaget L M Ericsson (Publ) Mixer with feedback
US7130604B1 (en) * 2002-06-06 2006-10-31 National Semiconductor Corporation Harmonic rejection mixer and method of operation
US6703892B1 (en) * 2002-09-06 2004-03-09 Santel Networks, Inc. Mechanism for coupling a wideband current signal between two different potentials
US20040198421A1 (en) * 2003-02-07 2004-10-07 Coan Philip David Multi-radio terminals with different intermediate frequencies
US7266357B2 (en) 2003-05-12 2007-09-04 Broadcom Corporation Reduced local oscillator feedthrough quadrature image reject mixer
EP1564883B1 (fr) * 2004-02-10 2011-04-20 STMicroelectronics N.V. Procédé et dispositif de transposition de fréquence, en particulier pour le contrôle de la puissance d'émission d'un téléphone mobile cellulaire
FR2871629A1 (fr) * 2004-06-09 2005-12-16 Thomson Licensing Sa Dispositif de conversion de frequences, procede d'etalonnage dudit dispositif et systeme d'emission/reception de signaux electromagnetiques comportant un tel dispositif
US7457605B2 (en) * 2004-09-10 2008-11-25 Silicon Laboratories, Inc. Low noise image reject mixer and method therefor
GB2429349B (en) * 2005-08-16 2010-09-01 Zarlink Semiconductor Ltd Quadrature frequency changer, tuner and modulator
US20070087711A1 (en) * 2005-10-19 2007-04-19 Broadcom Corporation Multiple band transceiver
US8331896B2 (en) * 2009-07-10 2012-12-11 Theta S.A. Method of operation of a passive high-frequency image reject mixer
US8275338B2 (en) * 2009-07-10 2012-09-25 Theta S.A. Passive high frequency image reject mixer
US8428533B2 (en) 2010-06-08 2013-04-23 Qualcomm, Incorporated Techniques for optimizing gain or noise figure of an RF receiver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239143B (en) * 1989-12-16 1993-06-16 Stc Plc Cross-coupled mixer stage for zero if radio
US5033110A (en) * 1990-05-18 1991-07-16 Northern Telecom Limited Frequency converter for a radio communications system
JP2953365B2 (ja) * 1995-11-17 1999-09-27 日本電気株式会社 直交復調器
CA2190545A1 (fr) * 1995-12-26 1997-06-27 Mihai Banu Architecture de systeme et methode de traitement de signaux recus via un trajet donne

Also Published As

Publication number Publication date
US6324388B1 (en) 2001-11-27
FR2783110A1 (fr) 2000-03-10
GB2341502A (en) 2000-03-15
GB2341502B (en) 2003-01-22
DE19942810A1 (de) 2000-03-09
GB9819428D0 (en) 1998-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse