IN189656B - - Google Patents

Info

Publication number
IN189656B
IN189656B IN1796CA1996A IN189656B IN 189656 B IN189656 B IN 189656B IN 1796CA1996 A IN1796CA1996 A IN 1796CA1996A IN 189656 B IN189656 B IN 189656B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
John David Speake
Anthon Hilson Richards
Original Assignee
Koninkl Philips Electronics Nv
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
Priority claimed from GBGB9520759.3A external-priority patent/GB9520759D0/en
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of IN189656B publication Critical patent/IN189656B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Burglar Alarm Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
IN1796CA1996 1995-10-11 1996-10-11 IN189656B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9520759.3A GB9520759D0 (en) 1995-10-11 1995-10-11 Receiver circuits
GBGB9617423.0A GB9617423D0 (en) 1995-10-11 1996-08-20 Receiver circuit

Publications (1)

Publication Number Publication Date
IN189656B true IN189656B (zh) 2003-04-05

Family

ID=26307927

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1796CA1996 IN189656B (zh) 1995-10-11 1996-10-11

Country Status (8)

Country Link
US (1) US5953643A (zh)
EP (1) EP0796496A2 (zh)
JP (1) JPH10511834A (zh)
KR (1) KR100470008B1 (zh)
CN (1) CN1086065C (zh)
GB (1) GB9617423D0 (zh)
IN (1) IN189656B (zh)
WO (1) WO1997014158A2 (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6029058A (en) * 1996-07-19 2000-02-22 The Board Of Trustee Of The Leland Stanford Junior University Spectrum control for direct conversion radio frequency reception
WO1998010523A1 (en) * 1996-09-06 1998-03-12 Philips Electronics N.V. A zero-if receiver
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
JP4236059B2 (ja) * 1997-03-12 2009-03-11 エヌエックスピー ビー ヴィ 周波数変換回路
JP3475037B2 (ja) * 1997-03-14 2003-12-08 株式会社東芝 無線機
JP3360004B2 (ja) * 1997-03-20 2002-12-24 松下電器産業株式会社 無線受信装置
GB9717826D0 (en) * 1997-08-22 1997-10-29 Plessey Semiconductors Ltd Detection circuits
US6088581A (en) * 1998-03-27 2000-07-11 Motorola, Inc. Method and apparatus for reducing amplitude modulated interference in a receiver
EP0948128B1 (en) * 1998-04-03 2004-12-01 Motorola Semiconducteurs S.A. DC offset cancellation in a quadrature receiver
US6134429A (en) * 1998-04-10 2000-10-17 Vlsi Technology, Inc. Direct digital down conversion of a 10.8 MHz intermediate frequency signal in the personal handy phone system
US6148047A (en) * 1998-05-06 2000-11-14 Philips Electronics North America Corporation DC offset compensation for zero if quadrature demodulator
KR20000040082A (ko) * 1998-12-17 2000-07-05 서평원 중간주파 국부발진회로
CA2281236C (en) 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
US6373909B2 (en) * 1999-10-22 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
US6771945B1 (en) * 2000-05-24 2004-08-03 General Dynamics Decision Systems, Inc. Dynamic DC balancing of a direct conversion receiver and method
US8693959B1 (en) * 2000-07-21 2014-04-08 Intel Corporation System and apparatus for a direct conversion receiver and transmitter
US6606359B1 (en) 2000-07-26 2003-08-12 Motorola, Inc Area-optimum rapid acquisition cellular multi-protocol digital DC offset correction scheme
US6782249B1 (en) * 2000-11-22 2004-08-24 Intel Corporation Quadrature signal generation in an integrated direct conversion radio receiver
US6844786B2 (en) * 2001-08-21 2005-01-18 Associated Universities, Inc. Millimeter- and submillimeter-wave noise generator
US7508451B2 (en) 2004-04-30 2009-03-24 Telegent Systems, Inc. Phase-noise mitigation in an integrated analog video receiver
ATE441969T1 (de) 2004-04-30 2009-09-15 Telegent Systems Inc Integrierter analogvideoempfänger
DE602008006393D1 (de) * 2007-05-11 2011-06-01 Nxp Bv Bimodale mischerschaltung und verfahren
US8027656B2 (en) * 2007-09-24 2011-09-27 Broadcom Corporation Method and system for a distributed transceiver for high frequency applications
US9077420B2 (en) * 2013-02-22 2015-07-07 Mstar Semiconductor, Inc. RF receiver with sideband symmetry circuit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
NL8802917A (nl) * 1988-11-28 1990-06-18 Philips Nv Direktmengende am-synchroonontvanger.
US5003621A (en) * 1989-11-02 1991-03-26 Motorola, Inc. Direct conversion FM receiver
TW227638B (zh) * 1991-07-15 1994-08-01 Philips Nv
WO1994005087A1 (en) * 1992-08-25 1994-03-03 Wireless Access, Inc. A direct conversion receiver for multiple protocols
EP0594894B1 (en) * 1992-10-28 1999-03-31 Alcatel DC offset correction for direct-conversion TDMA receiver
EP0599409B1 (en) * 1992-11-26 2003-02-12 Koninklijke Philips Electronics N.V. A direct conversion receiver
US5736840A (en) * 1993-09-09 1998-04-07 Kabushiki Kaisha Toshiba Phase shifter and communication system using the phase shifter
US5678227A (en) * 1994-07-29 1997-10-14 Motorola, Inc. Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
DE69624020T2 (de) * 1995-02-21 2003-07-17 Tait Electronics Ltd., Christchurch Nullzwischenfrequenz-Empfänger
US5761615A (en) * 1995-05-31 1998-06-02 Motorola, Inc. Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator
US5552749A (en) * 1995-06-26 1996-09-03 Motorola, Inc. Method for automatically compensating for accuracy degradation of a reference oscillator

Also Published As

Publication number Publication date
KR980700667A (ko) 1998-03-30
GB9617423D0 (en) 1996-10-02
JPH10511834A (ja) 1998-11-10
US5953643A (en) 1999-09-14
CN1172561A (zh) 1998-02-04
WO1997014158A3 (en) 1997-05-09
EP0796496A2 (en) 1997-09-24
CN1086065C (zh) 2002-06-05
KR100470008B1 (ko) 2005-05-27
WO1997014158A2 (en) 1997-04-17

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