DE69124663D1 - Digitaler Empfänger - Google Patents
Digitaler EmpfängerInfo
- Publication number
- DE69124663D1 DE69124663D1 DE69124663T DE69124663T DE69124663D1 DE 69124663 D1 DE69124663 D1 DE 69124663D1 DE 69124663 T DE69124663 T DE 69124663T DE 69124663 T DE69124663 T DE 69124663T DE 69124663 D1 DE69124663 D1 DE 69124663D1
- Authority
- DE
- Germany
- Prior art keywords
- digital
- sampling frequency
- signal
- converter
- phase
- 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
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
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
-
- 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
-
- 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
- H03D2200/0054—Digital filters
-
- 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
- H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
- Pinball Game Machines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9002489A NL9002489A (nl) | 1990-11-15 | 1990-11-15 | Ontvanger. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69124663D1 true DE69124663D1 (de) | 1997-03-27 |
DE69124663T2 DE69124663T2 (de) | 1997-07-31 |
Family
ID=19857981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69124663T Expired - Fee Related DE69124663T2 (de) | 1990-11-15 | 1991-11-07 | Digitaler Empfänger |
Country Status (9)
Country | Link |
---|---|
US (1) | US5230011A (de) |
EP (1) | EP0486095B1 (de) |
JP (1) | JP3181645B2 (de) |
KR (1) | KR100209386B1 (de) |
AT (1) | ATE148963T1 (de) |
DE (1) | DE69124663T2 (de) |
ES (1) | ES2100203T3 (de) |
FI (1) | FI104449B (de) |
NL (1) | NL9002489A (de) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5586147A (en) * | 1991-11-25 | 1996-12-17 | Siemens Aktiengesellschaft Osterreich | Demodulation method using quadrature modulation |
DE4309684C2 (de) * | 1992-12-12 | 1995-11-23 | Ant Nachrichtentech | Verfahren zur Demodulation von frequenzmodulierten Signalen |
DE4310462C2 (de) * | 1992-12-12 | 1995-06-14 | Ant Nachrichtentech | Verfahren zur Demodulation von frequenzmodulierten Signalen |
DE4244144C1 (de) * | 1992-12-12 | 1994-05-26 | Ant Nachrichtentech | Verfahren zur Demodulation von frequenzmodulierten Signalen |
DE4241965C1 (de) * | 1992-12-12 | 1994-05-26 | Ant Nachrichtentech | Verfahren zur Demodulation von frequenzmodulierten Signalen |
ATE168837T1 (de) * | 1993-03-25 | 1998-08-15 | Bosch Gmbh Robert | Verfahren zur demodulation von frequenzmodulierten signalen |
EP0618672A1 (de) * | 1993-03-31 | 1994-10-05 | ANT Nachrichtentechnik GmbH | Verfahren zur Demodulation von frequenzmodulierten Signalen |
US5606579A (en) * | 1994-05-23 | 1997-02-25 | Samsung Electronics Co., Ltd. | Digital VSB detector with final IF carrier at submultiple of symbol rate, as for HDTV receiver |
US5479449A (en) * | 1994-05-04 | 1995-12-26 | Samsung Electronics Co. Ltd. | Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver. |
JPH10505208A (ja) * | 1994-09-02 | 1998-05-19 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 直交成分減殺段付受信機・ディジタル信号処理方法 |
US5748682A (en) * | 1994-12-16 | 1998-05-05 | Lucent Technologies Inc. | Oscillator frequency offset error estimator for communications systems |
US5748680A (en) * | 1994-12-16 | 1998-05-05 | Lucent Technologies Inc. | Coarse frequency burst detector for a wireline communications system |
WO1996020537A1 (en) * | 1994-12-23 | 1996-07-04 | Philips Electronics N.V. | De-interleaving and buffering in one memory |
US5668749A (en) * | 1995-05-04 | 1997-09-16 | Motorola, Inc. | Circuit for performing arithmetic operations in a demodulator |
US5640424A (en) * | 1995-05-16 | 1997-06-17 | Interstate Electronics Corporation | Direct downconverter circuit for demodulator in digital data transmission system |
EP0795161B1 (de) * | 1995-08-30 | 2002-03-20 | Koninklijke Philips Electronics N.V. | Signalprozessor mit reduzierter komplexität und empfänger mit einem derartigen signalprozessor |
US5828955A (en) * | 1995-08-30 | 1998-10-27 | Rockwell Semiconductor Systems, Inc. | Near direct conversion receiver and method for equalizing amplitude and phase therein |
US8280334B2 (en) * | 1996-02-05 | 2012-10-02 | American Radio Llc | System and method for radio signal reconstruction using signal processor |
US5864754A (en) * | 1996-02-05 | 1999-01-26 | Hotto; Robert | System and method for radio signal reconstruction using signal processor |
JPH11504786A (ja) * | 1996-02-29 | 1999-04-27 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 位相分離された入力信号をディジタル処理する受信機 |
US5815529A (en) * | 1996-04-04 | 1998-09-29 | Lucent Technologies Inc. | Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter |
JPH10313260A (ja) * | 1997-05-13 | 1998-11-24 | Matsushita Electric Ind Co Ltd | 受信装置 |
DE69830228T2 (de) | 1997-07-25 | 2006-02-02 | Koninklijke Philips Electronics N.V. | Multistandardempfang |
GB9718131D0 (en) * | 1997-08-27 | 1997-10-29 | Sertway Limited | Communications apparatus |
JP2001508634A (ja) | 1997-11-21 | 2001-06-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 直角位相信号を復調する復調ユニットおよび方法 |
EP0939555A1 (de) | 1998-02-25 | 1999-09-01 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung zur digitalen mehrnormigen Farbsignaldemodulation |
EP0939556B1 (de) * | 1998-02-25 | 2001-12-05 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung zur digitalen Multinorm-Farbsignaldemodulation |
DE19810558A1 (de) * | 1998-03-11 | 1999-09-16 | Siemens Ag | Integrierbare Funkempfängerschaltung für frequenzmodulierte digitale Signale |
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 |
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 |
EP1036652B1 (de) | 1998-10-07 | 2012-02-29 | Kuraray Co., Ltd. | Mehrschichtstruktur und verfahren zu ihrer herstellung |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
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 |
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 |
JP3399400B2 (ja) | 1999-04-15 | 2003-04-21 | 日本電気株式会社 | 周波数偏移復調回路 |
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 |
US6223083B1 (en) * | 1999-04-16 | 2001-04-24 | Medtronic, Inc. | Receiver employing digital filtering for use with an implantable medical device |
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 |
AU3608199A (en) * | 1999-04-23 | 2000-11-10 | Nokia Networks Oy | Qam modulator |
US6584090B1 (en) * | 1999-04-23 | 2003-06-24 | Skyworks Solutions, Inc. | System and process for shared functional block CDMA and GSM communication transceivers |
DE19920362A1 (de) * | 1999-05-04 | 2000-11-09 | Philips Corp Intellectual Pty | Digitaler AM-Demodulator |
DE69940400D1 (de) | 1999-06-29 | 2009-03-26 | Sony Deutschland Gmbh | Rundfunkempfänger für Vielfach-Übertragungssystem |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
DE19948899A1 (de) * | 1999-10-11 | 2001-04-19 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zur digitalen Frequenzkorrektur eines Signals |
DE19961630A1 (de) * | 1999-12-14 | 2001-07-05 | Siemens Ag | Verfahren und Anordnung zum Erfassen und digitalen Übertragen von analogen Ausgangsmeßgrößen mehrerer Wandler |
DE19960559A1 (de) | 1999-12-15 | 2001-07-05 | Infineon Technologies Ag | Empfangsvorrichtung für winkelmodulierte Signale |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
JP4652546B2 (ja) * | 2000-09-21 | 2011-03-16 | 三星電子株式会社 | 受信機 |
US6600913B1 (en) * | 2000-10-27 | 2003-07-29 | Sony International (Europe) Gmbh | Two-port demodulation device |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
EP1303060A1 (de) * | 2001-10-11 | 2003-04-16 | Sony International (Europe) GmbH | Empfangsstrahlformung mit gemeinsamer Phasenschätzung |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
DE10205044A1 (de) | 2002-02-07 | 2003-08-21 | Philips Intellectual Property | Digitaler Phase Locked Loop |
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 |
DE10305972A1 (de) * | 2003-02-13 | 2004-09-02 | Micronas Gmbh | Kompensationsschaltungsanordnung und Kompensationsverfahren zum Kompensieren von nicht-linearen Verzerrungen eines AD-Wandlers |
EP1487122A1 (de) * | 2003-06-12 | 2004-12-15 | STMicroelectronics S.r.l. | Digitaler Funkempfänger |
US7903764B2 (en) * | 2004-05-10 | 2011-03-08 | Broadcom Corporation | Integrated burst FSK receiver |
US7856070B2 (en) | 2004-08-16 | 2010-12-21 | Broadcom Corporation | Method and system for digital baseband receiver with digital RF/IF/VLIF support in GSM/GPRS/EDGE compliant handsets |
US7394500B2 (en) * | 2004-09-13 | 2008-07-01 | Ati Technologies Inc. | World wide analog television signal receiver |
JP2006211021A (ja) * | 2005-01-25 | 2006-08-10 | Nec Electronics Corp | フィルタ回路 |
ATE550827T1 (de) * | 2005-07-04 | 2012-04-15 | Nxp Bv | Vereinfachte derotation in digitalen fm- demodulatorarchitekturen |
US7792220B2 (en) * | 2006-12-19 | 2010-09-07 | Sigmatel, Inc. | Demodulator system and method |
US7577419B2 (en) * | 2006-12-19 | 2009-08-18 | Sigmatel, Inc. | Digital mixer system and method |
EP1978647A3 (de) * | 2007-04-05 | 2013-10-09 | Delphi Delco Electronics Europe GmbH | Breitband-Empfangssystem |
JP5583243B2 (ja) * | 2013-06-05 | 2014-09-03 | 三菱電機株式会社 | 送信装置 |
EP2853905B1 (de) * | 2013-09-30 | 2018-09-19 | Airbus Defence and Space Limited | Phasenwinkelmessung mit Restklassenzahlensystem-Analog-Digital-Wandlung |
US11463071B2 (en) * | 2018-04-23 | 2022-10-04 | Samsung Electronics Co,. Ltd | Asymmetrical filtering to improve GNSS performance in presence of wideband interference |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924195A (en) * | 1974-04-08 | 1975-12-02 | Gen Motors Corp | Digital sawtooth generator |
US3976869A (en) * | 1974-09-27 | 1976-08-24 | The Singer Company | Solid state resolver coordinate converter unit |
DE3007907A1 (de) * | 1980-03-01 | 1981-09-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Digitaler empfaenger |
US4628286A (en) * | 1985-04-17 | 1986-12-09 | Rca Corporation | Digital frequency modulator |
GB2176356A (en) * | 1985-06-12 | 1986-12-17 | Philips Electronic Associated | Method of, and demodulator for, digitally demodulating an ssb signal |
DE3743727A1 (de) * | 1987-12-23 | 1989-07-13 | Itt Ind Gmbh Deutsche | Fernsehempfangsteil mit digital arbeitenden stufen |
US4896336A (en) * | 1988-08-29 | 1990-01-23 | Rockwell International Corporation | Differential phase-shift keying demodulator |
US5349676A (en) * | 1991-02-11 | 1994-09-20 | General Electric Company | Data acquisition systems with programmable bit-serial digital signal processors |
-
1990
- 1990-11-15 NL NL9002489A patent/NL9002489A/nl not_active Application Discontinuation
-
1991
- 1991-10-24 US US07/782,048 patent/US5230011A/en not_active Expired - Fee Related
- 1991-11-07 EP EP91202892A patent/EP0486095B1/de not_active Expired - Lifetime
- 1991-11-07 ES ES91202892T patent/ES2100203T3/es not_active Expired - Lifetime
- 1991-11-07 AT AT91202892T patent/ATE148963T1/de not_active IP Right Cessation
- 1991-11-07 DE DE69124663T patent/DE69124663T2/de not_active Expired - Fee Related
- 1991-11-12 FI FI915331A patent/FI104449B/fi active
- 1991-11-12 JP JP32365791A patent/JP3181645B2/ja not_active Expired - Fee Related
- 1991-11-12 KR KR1019910020029A patent/KR100209386B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5230011A (en) | 1993-07-20 |
EP0486095A1 (de) | 1992-05-20 |
FI915331A (fi) | 1992-05-16 |
NL9002489A (nl) | 1992-06-01 |
JPH0637664A (ja) | 1994-02-10 |
KR100209386B1 (ko) | 1999-07-15 |
EP0486095B1 (de) | 1997-02-12 |
ATE148963T1 (de) | 1997-02-15 |
ES2100203T3 (es) | 1997-06-16 |
FI915331A0 (fi) | 1991-11-12 |
FI104449B (fi) | 2000-01-31 |
DE69124663T2 (de) | 1997-07-31 |
JP3181645B2 (ja) | 2001-07-03 |
KR920011140A (ko) | 1992-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |