DE69419961D1 - FM-Empfänger mit einer Schaltung zur Überabtastung - Google Patents
FM-Empfänger mit einer Schaltung zur ÜberabtastungInfo
- Publication number
- DE69419961D1 DE69419961D1 DE69419961T DE69419961T DE69419961D1 DE 69419961 D1 DE69419961 D1 DE 69419961D1 DE 69419961 T DE69419961 T DE 69419961T DE 69419961 T DE69419961 T DE 69419961T DE 69419961 D1 DE69419961 D1 DE 69419961D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- equal
- stage
- signals
- intermediate frequency
- 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
- 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
- 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
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- 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
-
- 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
- H03D2200/006—Signal sampling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9305813A FR2705176B1 (fr) | 1993-05-12 | 1993-05-12 | Recepteur radio fm comprenant un circuit de surechantillonnage. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69419961D1 true DE69419961D1 (de) | 1999-09-16 |
DE69419961T2 DE69419961T2 (de) | 2000-02-24 |
Family
ID=9447119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69419961T Expired - Fee Related DE69419961T2 (de) | 1993-05-12 | 1994-05-04 | FM-Empfänger mit einer Schaltung zur Überabtastung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5483695A (de) |
EP (1) | EP0624959B1 (de) |
JP (1) | JP3647894B2 (de) |
AT (1) | ATE183344T1 (de) |
DE (1) | DE69419961T2 (de) |
FR (1) | FR2705176B1 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633550B1 (en) | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
US5916179A (en) * | 1997-04-18 | 1999-06-29 | Sharrock; Nigel | System and method for reducing iatrogenic damage to nerves |
US6223061B1 (en) * | 1997-07-25 | 2001-04-24 | Cleveland Medical Devices Inc. | Apparatus for low power radio communications |
US6385442B1 (en) * | 1998-03-04 | 2002-05-07 | Symbol Technologies, Inc. | Multiphase receiver and oscillator |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
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 |
GB9821088D0 (en) * | 1998-09-30 | 1998-11-18 | Koninkl Philips Electronics Nv | Radio transmitter |
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 |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US7039372B1 (en) * | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6542722B1 (en) * | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7209725B1 (en) * | 1999-01-22 | 2007-04-24 | Parkervision, Inc | Analog zero if FM decoder and embodiments thereof, such as the family radio service |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
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 |
US6879817B1 (en) * | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6873836B1 (en) * | 1999-03-03 | 2005-03-29 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
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 |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7082171B1 (en) * | 1999-11-24 | 2006-07-25 | Parkervision, Inc. | Phase shifting applications of universal frequency translation |
US6634555B1 (en) | 2000-01-24 | 2003-10-21 | Parker Vision, Inc. | Bar code scanner using universal frequency translation technology for up-conversion and down-conversion |
US7292835B2 (en) * | 2000-01-28 | 2007-11-06 | Parkervision, Inc. | Wireless and wired cable modem applications of universal frequency translation technology |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7010559B2 (en) * | 2000-11-14 | 2006-03-07 | Parkervision, Inc. | Method and apparatus for a parallel correlator and applications thereof |
US7454453B2 (en) * | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
EP1253488B1 (de) | 2001-04-27 | 2007-04-11 | CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement | Zeithaltendes Gerät mit automatischer Zeitkorrektur und Verfahren zur Zeitkorrektur eines derartigen Gerätes |
DE10147442A1 (de) | 2001-09-26 | 2003-04-17 | Bosch Gmbh Robert | Verfahren und Vorrichtung sowie Steuereinheit zur Überwachung eines Bussystems |
US7072427B2 (en) * | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
JP4166466B2 (ja) * | 2001-12-19 | 2008-10-15 | ソニー株式会社 | 無線通信システム及び無線通信方法、無線通信装置及びその制御方法、並びにコンピュータ・プログラム |
US6975848B2 (en) * | 2002-06-04 | 2005-12-13 | Parkervision, Inc. | Method and apparatus for DC offset removal in a radio frequency communication channel |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
JP3729171B2 (ja) * | 2002-11-26 | 2005-12-21 | 松下電器産業株式会社 | 混合回路とこれを用いた高周波信号受信装置 |
JP2006510264A (ja) * | 2002-12-11 | 2006-03-23 | 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 | 3相ミキサーシステム |
EP1590884A1 (de) * | 2003-01-28 | 2005-11-02 | Koninklijke Philips Electronics N.V. | Dreiphasenmischersystem |
US7272375B2 (en) | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
ATE543262T1 (de) * | 2004-12-10 | 2012-02-15 | Maxlinear Inc | Empfängerarchitektur und mischer mit oberwellenunterdrückung |
JP4364175B2 (ja) * | 2005-08-01 | 2009-11-11 | 株式会社東芝 | 乗算器及びこれを用いる無線通信装置 |
US7999624B2 (en) * | 2007-04-24 | 2011-08-16 | City University Of Hong Kong | Radiation source |
US8138841B2 (en) * | 2009-08-19 | 2012-03-20 | City University Of Hong Kong | Apparatus and method for controlling the output phase of a VCO |
DE102009052107B4 (de) * | 2009-11-05 | 2015-10-29 | Airbus Defence and Space GmbH | Frequenzsprungverfahren für ein Funkgerät |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9017418D0 (en) * | 1990-08-08 | 1990-09-19 | Gen Electric Co Plc | Half frequency mixer |
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 |
GB9116051D0 (en) * | 1991-07-24 | 1991-09-11 | Phase Track Limited | Am receiver system |
-
1993
- 1993-05-12 FR FR9305813A patent/FR2705176B1/fr not_active Expired - Fee Related
-
1994
- 1994-04-13 US US08/226,856 patent/US5483695A/en not_active Expired - Lifetime
- 1994-05-04 EP EP94106952A patent/EP0624959B1/de not_active Expired - Lifetime
- 1994-05-04 DE DE69419961T patent/DE69419961T2/de not_active Expired - Fee Related
- 1994-05-04 AT AT94106952T patent/ATE183344T1/de not_active IP Right Cessation
- 1994-05-10 JP JP11972994A patent/JP3647894B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2705176A1 (fr) | 1994-11-18 |
JP3647894B2 (ja) | 2005-05-18 |
US5483695A (en) | 1996-01-09 |
EP0624959B1 (de) | 1999-08-11 |
EP0624959A1 (de) | 1994-11-17 |
JPH06334553A (ja) | 1994-12-02 |
DE69419961T2 (de) | 2000-02-24 |
FR2705176B1 (fr) | 1995-07-21 |
ATE183344T1 (de) | 1999-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |