DE69623896D1 - Digitaler Frequenzdemodulator - Google Patents
Digitaler FrequenzdemodulatorInfo
- Publication number
- DE69623896D1 DE69623896D1 DE69623896T DE69623896T DE69623896D1 DE 69623896 D1 DE69623896 D1 DE 69623896D1 DE 69623896 T DE69623896 T DE 69623896T DE 69623896 T DE69623896 T DE 69623896T DE 69623896 D1 DE69623896 D1 DE 69623896D1
- Authority
- DE
- Germany
- Prior art keywords
- digital frequency
- frequency demodulator
- demodulator
- digital
- 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 - Lifetime
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
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9510198A FR2738423B1 (fr) | 1995-08-30 | 1995-08-30 | Demodulateur de frequence numerique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69623896D1 true DE69623896D1 (de) | 2002-10-31 |
DE69623896T2 DE69623896T2 (de) | 2003-05-28 |
Family
ID=9482152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69623896T Expired - Lifetime DE69623896T2 (de) | 1995-08-30 | 1996-08-29 | Digitaler Frequenzdemodulator |
Country Status (5)
Country | Link |
---|---|
US (1) | US5818881A (de) |
EP (1) | EP0762628B1 (de) |
JP (1) | JP3272963B2 (de) |
DE (1) | DE69623896T2 (de) |
FR (1) | FR2738423B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1188452A (ja) * | 1997-09-02 | 1999-03-30 | Uniden Corp | 受信装置および受信信号の復調方法 |
FR2773933B1 (fr) * | 1998-01-21 | 2000-03-03 | Sgs Thomson Microelectronics | Dispositif de demodulation d'un signal binaire module en phase par impulsions codees |
FR2784256B1 (fr) * | 1998-10-02 | 2002-12-06 | Faure Res | Demodulateur numerique, et son procede de demodulation d'un signal module par deplacement de frequence |
JP3179429B2 (ja) * | 1999-01-29 | 2001-06-25 | 日本電気アイシーマイコンシステム株式会社 | 周波数測定用テスト回路及びそれを備えた半導体集積回路 |
GB2352373B (en) * | 1999-06-11 | 2004-02-18 | Ibm | PLL substitution by time measurement |
JP2002335292A (ja) * | 2001-05-08 | 2002-11-22 | Nec Microsystems Ltd | Fsk復調方法及びシステム |
FR2825205A1 (fr) * | 2001-05-23 | 2002-11-29 | St Microelectronics Sa | Recepteur de signaux modules en frequence avec demodulateur numerique |
US6639459B1 (en) * | 2002-04-25 | 2003-10-28 | Celio Semiconductor Corporation | Demodulator using digital circuitry |
JP4519599B2 (ja) * | 2004-10-07 | 2010-08-04 | 株式会社半導体エネルギー研究所 | 半導体装置 |
US7816979B2 (en) * | 2007-10-16 | 2010-10-19 | On Semiconductor Trading Ltd. | Configurable demodulator and demodulation method |
WO2009145516A2 (ko) * | 2008-05-29 | 2009-12-03 | 에스케이텔레콤 주식회사 | 디지털 고주파 처리 기술을 이용한 근거리 무선 신호 송/수신장치 및 방법 |
WO2010038584A1 (en) * | 2008-09-30 | 2010-04-08 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
DE102010046880A1 (de) * | 2010-09-29 | 2012-03-29 | Phoenix Contact Gmbh & Co. Kg | Verfahren und Anordnung zur Frequenzbestimmung |
FR3044098B1 (fr) | 2015-11-19 | 2017-12-22 | St Microelectronics Sa | Procede et dispositif de mesure de la frequence d'un signal |
IT201600111351A1 (it) * | 2016-11-04 | 2018-05-04 | St Microelectronics Des & Appl | Procedimento per rivelare segnali con modulazione fsk, circuito, dispositivo e prodotto informatico corrispondenti |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2228069C3 (de) * | 1972-06-09 | 1979-07-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Einrichtung zur Unterdrückung von Störungen bei frequenzmodulierten Signalen |
DE2928976A1 (de) * | 1979-07-18 | 1981-02-12 | Standard Elektrik Lorenz Ag | Demodulator fuer frequenzumgetastete signale |
JPS57184356A (en) * | 1981-05-08 | 1982-11-13 | Seiko Epson Corp | Fsk demodulating circuit |
US4470296A (en) * | 1981-12-28 | 1984-09-11 | Nissan Motor Company, Limited | Fuel gauge for an automotive vehicle |
US4574247A (en) * | 1984-05-21 | 1986-03-04 | Multi-Elmac Company | FM Signal demodulator |
ATE45451T1 (de) * | 1984-09-20 | 1989-08-15 | Siemens Ag | Schaltungsanordnung zum demodulieren eines binaeren fm-signals. |
US5311556A (en) * | 1991-08-30 | 1994-05-10 | Elsag International B.V. | Digital FSK transmitter receiver and method of operating same |
GB2264614B (en) * | 1992-02-20 | 1996-03-20 | Motorola Israel Ltd | FSK demodulator |
US5550505A (en) * | 1994-12-30 | 1996-08-27 | General Electric Company | Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments |
US5483193A (en) * | 1995-03-24 | 1996-01-09 | Ford Motor Company | Circuit for demodulating FSK signals |
-
1995
- 1995-08-30 FR FR9510198A patent/FR2738423B1/fr not_active Expired - Fee Related
-
1996
- 1996-08-23 US US08/702,049 patent/US5818881A/en not_active Expired - Lifetime
- 1996-08-29 DE DE69623896T patent/DE69623896T2/de not_active Expired - Lifetime
- 1996-08-29 EP EP96401846A patent/EP0762628B1/de not_active Expired - Lifetime
- 1996-08-30 JP JP23076596A patent/JP3272963B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3272963B2 (ja) | 2002-04-08 |
FR2738423A1 (fr) | 1997-03-07 |
FR2738423B1 (fr) | 1997-09-26 |
EP0762628B1 (de) | 2002-09-25 |
US5818881A (en) | 1998-10-06 |
EP0762628A1 (de) | 1997-03-12 |
JPH09153742A (ja) | 1997-06-10 |
DE69623896T2 (de) | 2003-05-28 |
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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: HISPANO SUIZA, COLOMBRS CEDEX, FR |