DE69614813T2 - Mischereinrichtung mit Beseitigung der Spiegelfrequenz - Google Patents

Mischereinrichtung mit Beseitigung der Spiegelfrequenz

Info

Publication number
DE69614813T2
DE69614813T2 DE69614813T DE69614813T DE69614813T2 DE 69614813 T2 DE69614813 T2 DE 69614813T2 DE 69614813 T DE69614813 T DE 69614813T DE 69614813 T DE69614813 T DE 69614813T DE 69614813 T2 DE69614813 T2 DE 69614813T2
Authority
DE
Germany
Prior art keywords
signals
signal
degrees
produces
input signal
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
DE69614813T
Other languages
English (en)
Other versions
DE69614813D1 (de
Inventor
Herve Guegnaud
Michel Robbe
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.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Application granted granted Critical
Publication of DE69614813D1 publication Critical patent/DE69614813D1/de
Publication of DE69614813T2 publication Critical patent/DE69614813T2/de
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
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • 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
DE69614813T 1995-12-15 1996-12-12 Mischereinrichtung mit Beseitigung der Spiegelfrequenz Expired - Fee Related DE69614813T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514927A FR2742620B1 (fr) 1995-12-15 1995-12-15 Dispositif melangeur a rejection de frequence image

Publications (2)

Publication Number Publication Date
DE69614813D1 DE69614813D1 (de) 2001-10-04
DE69614813T2 true DE69614813T2 (de) 2002-04-04

Family

ID=9485567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614813T Expired - Fee Related DE69614813T2 (de) 1995-12-15 1996-12-12 Mischereinrichtung mit Beseitigung der Spiegelfrequenz

Country Status (6)

Country Link
US (1) US5901349A (de)
EP (1) EP0779704B1 (de)
AT (1) ATE205027T1 (de)
CA (1) CA2192039A1 (de)
DE (1) DE69614813T2 (de)
FR (1) FR2742620B1 (de)

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US6130602A (en) 1996-05-13 2000-10-10 Micron Technology, Inc. Radio frequency data communications device
US6696879B1 (en) * 1996-05-13 2004-02-24 Micron Technology, Inc. Radio frequency data communications device
US6836468B1 (en) 1996-05-13 2004-12-28 Micron Technology, Inc. Radio frequency data communications device
US6774685B2 (en) 1996-05-13 2004-08-10 Micron Technology, Inc. Radio frequency data communications device
US6633550B1 (en) * 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
JP3666535B2 (ja) * 1997-05-09 2005-06-29 ソニー株式会社 受信機用ｉｃ
US6628343B1 (en) * 1997-05-23 2003-09-30 Sony Corporation Television signal reception circuit, automatic phase shift control circuit and equal amplitude addition circuit
GB2331193B (en) * 1997-11-07 2001-07-11 Plessey Semiconductors Ltd Image reject mixer arrangements
US6459726B1 (en) * 1998-04-24 2002-10-01 Micron Technology, Inc. Backscatter interrogators, communication systems and backscatter communication methods
US6073002A (en) * 1998-05-04 2000-06-06 Motorola Mixer circuit and communication device using the same
US6314279B1 (en) 1998-06-29 2001-11-06 Philips Electronics North America Corporation Frequency offset image rejection
JP3314726B2 (ja) * 1998-07-17 2002-08-12 日本電気株式会社 位相シフト回路、それを用いた移相回路、発振回路、及びイメージリジェクションミキサ
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
EP0998025B1 (de) 1998-10-30 2004-03-31 SGS-THOMSON MICROELECTRONICS S.r.l. I-Q Mischer mit niedrigem Rauschen
DK1006669T3 (da) * 1998-11-30 2006-11-27 Bosch Gmbh Robert Omstilleligt bredbåndsmodtagerindgangstrin for en flerbåndsmodtager
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) * 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
JP2001008118A (ja) * 1999-06-22 2001-01-12 Alps Electric Co Ltd デジタルテレビジョンチューナ
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
DE60102548T2 (de) * 2000-02-04 2005-02-24 Koninklijke Philips Electronics N.V. Fm-rundfunkempfänger
FI108584B (fi) * 2000-03-24 2002-02-15 Nokia Corp Menetelmä välitaajuussignaalin muodostamiseksi sekoittimessa ja sekoitin
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6529719B1 (en) * 2000-06-30 2003-03-04 International Business Machines Corporation Image reject mixer
US6990326B2 (en) * 2000-07-05 2006-01-24 Kabushiki Kaisha Toshiba Image suppression filter circuit
JP4310600B2 (ja) * 2000-08-04 2009-08-12 ソニー株式会社 受信回路および受信用集積回路
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US20020183033A1 (en) * 2001-04-05 2002-12-05 Sarnoff Corporation Commutating image-reject mixer
US7039382B2 (en) * 2001-05-15 2006-05-02 Broadcom Corporation DC offset calibration for a radio transceiver mixer
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US6865382B2 (en) * 2002-01-07 2005-03-08 Broadcom Corp. Mixer having low noise, controllable gain, and/or low supply voltage operation
US7130604B1 (en) * 2002-06-06 2006-10-31 National Semiconductor Corporation Harmonic rejection mixer and method of operation
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7369835B2 (en) * 2005-03-10 2008-05-06 Xceive Corporation Image rejection mixer providing precision image rejection
US7375741B2 (en) * 2005-03-24 2008-05-20 Himax Technologies Limited Circuit and method for eliminating image interfering with desired channel
WO2007064955A2 (en) * 2005-12-01 2007-06-07 Erico International Corporation Clamp for circular objects
US8774749B2 (en) 2009-12-11 2014-07-08 Ess Technology, Inc. Virtual weaver architecture filter
JP2016167781A (ja) * 2015-03-10 2016-09-15 富士通株式会社 無線通信装置及び無線通信装置の制御方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168864A (en) * 1984-12-19 1986-06-25 Philips Electronic Associated Radio receiver/transmitter filters
US4696113A (en) * 1985-09-30 1987-09-29 George Rice Apparatus for locating the outline of an accessory in dry wall or a decorative panel
DE3784930T2 (de) * 1987-09-03 1993-09-02 Philips Nv Empfaenger mit zwei zweigen.
FR2625630B1 (fr) * 1987-12-30 1990-05-04 Labo Electronique Physique Circuit dephaseur actif
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
ES2079397T3 (es) * 1989-06-09 1996-01-16 Telefunken Microelectron Disposicion de un circuito para la conversion de frecuencias.
US5212825A (en) * 1990-11-09 1993-05-18 Litton Systems, Inc. Synthetic heterodyne demodulator circuit
JP2574596B2 (ja) * 1992-06-03 1997-01-22 松下電器産業株式会社 周波数変換装置

Also Published As

Publication number Publication date
EP0779704B1 (de) 2001-08-29
US5901349A (en) 1999-05-04
FR2742620A1 (fr) 1997-06-20
CA2192039A1 (en) 1997-06-16
EP0779704A1 (de) 1997-06-18
DE69614813D1 (de) 2001-10-04
FR2742620B1 (fr) 1998-02-20
ATE205027T1 (de) 2001-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee