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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100515551B1 (ko) * | 1996-12-19 | 2006-01-27 | 마쯔시다덴기산교 가부시키가이샤 | 방송수신장치 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2296613A (en) * | 1994-12-21 | 1996-07-03 | Univ Bristol | Image-reject mixers |
GB9605719D0 (en) * | 1996-03-19 | 1996-05-22 | Philips Electronics Nv | Integrated receiver |
SE506847C2 (sv) * | 1996-06-28 | 1998-02-16 | Ericsson Telefon Ab L M | Förfarande och anordning vid fasmodulerade signaler |
US5937341A (en) | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
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 |
US6298226B1 (en) * | 1998-11-30 | 2001-10-02 | Conexant Systems, Inc. | Receiver for RF signals |
GB2344712B (en) * | 1998-12-12 | 2003-10-08 | Roke Manor Research | Improvements in or relating to receivers |
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 |
EP1058396B1 (en) * | 1999-06-01 | 2006-10-04 | Motorola, Inc. | Very low IF receiver circuit and method |
DE19933266A1 (de) * | 1999-07-15 | 2000-11-02 | Siemens Ag | Vorrichtung zum Empfangen von Funksignalen |
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4334323A (en) * | 1980-09-08 | 1982-06-08 | Zenith Radio Corporation | Self tracking tuner |
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 |
-
1994
- 1994-06-06 CN CN94192349A patent/CN1061489C/zh not_active Expired - Fee Related
- 1994-06-06 DE DE69420727T patent/DE69420727T2/de not_active Expired - Lifetime
- 1994-06-06 KR KR1019950705479A patent/KR100305410B1/ko not_active IP Right Cessation
- 1994-06-06 EP EP94916361A patent/EP0701745B1/en not_active Expired - Lifetime
- 1994-06-06 US US08/865,586 patent/US5999802A/en not_active Expired - Lifetime
- 1994-06-06 WO PCT/IB1994/000138 patent/WO1994029948A1/en active IP Right Grant
Cited By (1)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20100729 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |