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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JP3414633B2 (ja) * 1998-01-16 2003-06-09 沖電気工業株式会社 周波数変換装置
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FR2794311B1 (fr) * 1999-05-27 2007-12-14 France Telecom Filtre passe-bande a reduction de la frequence porteuse
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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
WO2003009478A2 (en) * 2001-07-17 2003-01-30 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
EP1547239A1 (en) * 2002-09-16 2005-06-29 Nokia Corporation Direct conversion receiver and receiving method
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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
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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
EP1810411A2 (en) * 2004-10-12 2007-07-25 Maxlinear, Inc. A receiver architecture with digitally generated intermediate frequency
US20060078069A1 (en) * 2004-10-12 2006-04-13 Maxlinear, Inc. Hybrid receiver architecture using upconversion followed by direct downconversion
ATE457099T1 (de) * 2004-12-10 2010-02-15 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
CN101233678B (zh) * 2005-07-25 2011-05-04 Nxp股份有限公司 用于调幅信号的接收器和检测接收器中的相位误差的方法
KR100710084B1 (ko) * 2005-10-07 2007-04-23 삼성전자주식회사 디지털 방송 처리장치 및 그 제어방법
EP2195931A1 (en) 2007-10-01 2010-06-16 Maxlinear, Inc. I/q calibration techniques
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
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EP0305603B1 (en) * 1987-09-03 1993-03-10 Koninklijke Philips Electronics N.V. Gain and phase correction in a dual branch receiver
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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
EP0701745A1 (en) 1996-03-20
EP0701745B1 (en) 1999-09-15
DE69420727D1 (de) 1999-10-21
WO1994029948A1 (en) 1994-12-22
KR100305410B1 (ko) 2001-11-22
DE69420727T2 (de) 2000-01-05
CN1125016A (zh) 1996-06-19
CN1061489C (zh) 2001-01-31

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