KR960702957A - 직접 변환 튜너(direct conversion tuner) - Google Patents

직접 변환 튜너(direct conversion tuner)

Info

Publication number
KR960702957A
KR960702957A KR1019950705479A KR19950705479A KR960702957A KR 960702957 A KR960702957 A KR 960702957A KR 1019950705479 A KR1019950705479 A KR 1019950705479A KR 19950705479 A KR19950705479 A KR 19950705479A KR 960702957 A KR960702957 A KR 960702957A
Authority
KR
South Korea
Prior art keywords
direct conversion
conversion tuner
tuner
direct
conversion
Prior art date
Application number
KR1019950705479A
Other languages
English (en)
Other versions
KR100305410B1 (ko
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 GB939311610A external-priority patent/GB9311610D0/en
Priority claimed from GB9408211A external-priority patent/GB9408211D0/en
Application filed filed Critical
Publication of KR960702957A publication Critical patent/KR960702957A/ko
Application granted granted Critical
Publication of KR100305410B1 publication Critical patent/KR100305410B1/ko

Links

Classifications

    • 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
    • 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
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • 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
    • 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
    • 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
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/005—Analog to digital conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
KR1019950705479A 1993-06-04 1994-06-06 직접변환튜너 KR100305410B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9311610.1 1993-06-04
GB939311610A GB9311610D0 (en) 1993-06-04 1993-06-04 Direct conversion@ tuner
GB9408211.2 1994-04-26
GB9408211A GB9408211D0 (en) 1994-04-26 1994-04-26 Direct conversion tuner
PCT/IB1994/000138 WO1994029948A1 (en) 1993-06-04 1994-06-06 Direct conversion tuner

Publications (2)

Publication Number Publication Date
KR960702957A true KR960702957A (ko) 1996-05-23
KR100305410B1 KR100305410B1 (ko) 2001-11-22

Family

ID=26303009

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950705479A KR100305410B1 (ko) 1993-06-04 1994-06-06 직접변환튜너

Country Status (6)

Country Link
US (1) US5999802A (ko)
EP (1) EP0701745B1 (ko)
KR (1) KR100305410B1 (ko)
CN (1) CN1061489C (ko)
DE (1) DE69420727T2 (ko)
WO (1) WO1994029948A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
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KR100515551B1 (ko) * 1996-12-19 2006-01-27 마쯔시다덴기산교 가부시키가이샤 방송수신장치

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US6009317A (en) * 1997-01-17 1999-12-28 Ericsson Inc. Method and apparatus for compensating for imbalances between quadrature signals
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
JP3475037B2 (ja) * 1997-03-14 2003-12-08 株式会社東芝 無線機
JP3414633B2 (ja) * 1998-01-16 2003-06-09 沖電気工業株式会社 周波数変換装置
KR100313890B1 (ko) * 1998-05-15 2001-11-15 구자홍 디지털/아날로그 겸용 티브이 수상기
US6321075B1 (en) * 1998-07-30 2001-11-20 Qualcomm Incorporated Hardware-efficient transceiver with delta-sigma digital-to-analog converter
US6271780B1 (en) * 1998-10-08 2001-08-07 Cirrus Logic, Inc. Gain ranging analog-to-digital converter with error correction
US7092043B2 (en) 1998-11-12 2006-08-15 Broadcom Corporation Fully integrated tuner architecture
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US6397051B1 (en) * 1998-12-21 2002-05-28 At&T Corporation Dual image-reject mixer receiver for multiple channel reception and processing
FR2794311B1 (fr) * 1999-05-27 2007-12-14 France Telecom Filtre passe-bande a reduction de la frequence porteuse
DE69926611T2 (de) * 1999-06-01 2006-06-14 Motorola Inc Multiplizierer für die Multiplikation von komplexen Signalen
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GB9921813D0 (en) * 1999-09-16 1999-11-17 Mitel Semiconductor Ltd Frequency converter and radio frequency tuner
KR100353861B1 (ko) * 1999-11-11 2002-09-26 한국전자통신연구원 주파수 매핑 근사 함수를 이용한 광대역 주파수 자동 채널선택 장치 및 그 방법
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
FR2821500B1 (fr) * 2001-02-26 2005-05-13 St Microelectronics Sa Procede et dispositif de compensation du decalage cc dynamique d'un recepteur a conversion directe
US6888580B2 (en) * 2001-02-27 2005-05-03 Ati Technologies Inc. Integrated single and dual television tuner having improved fine tuning
EP1415400A2 (en) * 2001-07-17 2004-05-06 Honeywell International Inc. Dual analog-to-digital converter system for increased dynamic range
JP2005534203A (ja) * 2001-10-16 2005-11-10 株式会社ＲｆＳｔｒｅａｍ モノリシック集積回路上に受信機を実施するための方法および装置
DE10157864B4 (de) 2001-11-26 2006-08-10 Infineon Technologies Ag Quadratur-Amplituden-Modulations- (QAM) Empfänger
US7346126B2 (en) * 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
FR2833429B1 (fr) * 2001-12-06 2004-07-02 St Microelectronics Sa Procede de controle du gain d'un syntonisateur de frequences, et syntonisateur correspondant, en particulier pour la reception de signaux de television numerique terrestre
GB0205698D0 (en) * 2002-03-12 2002-04-24 Zarlink Semiconductor Ltd Tuner
JP4063563B2 (ja) * 2002-03-25 2008-03-19 株式会社日立国際電気 直接検波回路
US7107033B2 (en) * 2002-04-17 2006-09-12 Paratek Microwave, Inc. Smart radio incorporating Parascan® varactors embodied within an intelligent adaptive RF front end
AU2002324091A1 (en) * 2002-09-16 2004-04-30 Nokia Corporation Direct conversion receiver and receiving method
US20040087296A1 (en) * 2002-10-25 2004-05-06 Gct Semiconductor, Inc. Radio receiver and method for AM suppression and DC-offset removal
US7412222B2 (en) * 2003-05-20 2008-08-12 Broadcom Corporation Quadrature correction method for analog television reception using direct-conversion tuners
US7277688B2 (en) * 2003-06-17 2007-10-02 Broadcom Corporation DC offset correction for very low intermediate frequency receiver
JP2005064764A (ja) * 2003-08-08 2005-03-10 Alps Electric Co Ltd ダイレクトコンバージョンチューナ
JP3686074B1 (ja) * 2004-02-23 2005-08-24 シャープ株式会社 無線受信回路および無線携帯機器
DE602005016387D1 (de) * 2004-04-13 2009-10-15 Maxlinear Inc Doppel-umsetzungsempfänger mit programmierbarer zwischenfrequenz und kanalauswahl
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
GB0417539D0 (en) * 2004-08-06 2004-09-08 Zarlink Semiconductor Ltd Tuner
US20060083335A1 (en) * 2004-10-12 2006-04-20 Maxlinear, Inc. Receiver architecture with digitally generated intermediate frequency
CA2583657A1 (en) * 2004-10-12 2006-04-27 Maxlinear, Inc. A hybrid receiver architecture using upconversion followed by direct downconversion
ATE543262T1 (de) * 2004-12-10 2012-02-15 Maxlinear Inc Empfängerarchitektur und mischer mit oberwellenunterdrückung
KR100744092B1 (ko) * 2005-03-15 2007-08-01 노키아 코포레이션 직접 변환 수신기 및 수신 방법
GB2427091A (en) * 2005-06-08 2006-12-13 Zarlink Semiconductor Ltd Baseband quadrature frequency down-converter receiver having quadrature up-converter stage
US8463227B2 (en) * 2005-07-25 2013-06-11 Nxp B.V. Receiver for amplitude-modulated signals
KR100710084B1 (ko) * 2005-10-07 2007-04-23 삼성전자주식회사 디지털 방송 처리장치 및 그 제어방법
CN101939922A (zh) 2007-10-01 2011-01-05 迈凌有限公司 I/q校准技术
US9083288B2 (en) * 2009-06-11 2015-07-14 Invensense, Inc. High level capable audio amplification circuit
US9071214B2 (en) * 2009-06-11 2015-06-30 Invensense, Inc. Audio signal controller
US9054938B2 (en) * 2010-05-28 2015-06-09 Intel Corporation Quadrature gain and phase imbalance correction
CN102142901B (zh) * 2011-01-21 2013-07-31 武汉邮电科学研究院 无需控制本振光偏振态的相干解调方法

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US4475088A (en) * 1981-06-04 1984-10-02 Westinghouse Electric Corp. Gain imbalance corrected quadrature phase detector
DE3764361D1 (de) * 1987-03-14 1990-09-20 Itt Ind Gmbh Deutsche Fernsehsignal-frequenzumsetzungsschaltung.
EP0305603B1 (en) * 1987-09-03 1993-03-10 Koninklijke Philips Electronics N.V. Gain and phase correction in a dual branch receiver
GB2210742A (en) * 1987-10-05 1989-06-14 Philips Nv Frequency difference detector (fdd) and a carrier modulated receiver including such a fdd
US4847869A (en) * 1987-12-04 1989-07-11 Motorla, Inc. Rapid reference acquisition and phase error compensation for radio transmission of data
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
EP0343273B1 (de) * 1988-05-27 1994-04-27 Deutsche ITT Industries GmbH Korrekturschaltung für ein digitales Quadratur-Signalpaar
US4944025A (en) * 1988-08-09 1990-07-24 At&E Corporation Direct conversion FM receiver with offset
US5230099A (en) * 1991-01-24 1993-07-20 Rockwell International Corporation System for controlling phase and gain errors in an i/q direct conversion receiver
US5371902A (en) * 1991-09-25 1994-12-06 General Instrument Corporation Method and apparatus for recovering baseband signals from in-phase and quadrature-phase signal components having phase error therebetween
FI98580C (fi) * 1991-11-14 1997-07-10 Nokia Mobile Phones Ltd Selektiivisyyssuodatus solukkopuhelimessa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100515551B1 (ko) * 1996-12-19 2006-01-27 마쯔시다덴기산교 가부시키가이샤 방송수신장치

Also Published As

Publication number Publication date
US5999802A (en) 1999-12-07
KR100305410B1 (ko) 2001-11-22
DE69420727T2 (de) 2000-01-05
EP0701745A1 (en) 1996-03-20
CN1061489C (zh) 2001-01-31
WO1994029948A1 (en) 1994-12-22
DE69420727D1 (de) 1999-10-21
CN1125016A (zh) 1996-06-19
EP0701745B1 (en) 1999-09-15

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