DE69924660D1 - Digitale Frequenzdemodulatorschaltung - Google Patents

Digitale Frequenzdemodulatorschaltung

Info

Publication number
DE69924660D1
DE69924660D1 DE69924660T DE69924660T DE69924660D1 DE 69924660 D1 DE69924660 D1 DE 69924660D1 DE 69924660 T DE69924660 T DE 69924660T DE 69924660 T DE69924660 T DE 69924660T DE 69924660 D1 DE69924660 D1 DE 69924660D1
Authority
DE
Germany
Prior art keywords
digital frequency
demodulator circuit
frequency demodulator
digital
circuit
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
Application number
DE69924660T
Other languages
English (en)
Other versions
DE69924660T2 (de
Inventor
Hisashi Suganuma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69924660D1 publication Critical patent/DE69924660D1/de
Publication of DE69924660T2 publication Critical patent/DE69924660T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69924660T 1998-03-02 1999-02-26 Digitale Frequenzdemodulatorschaltung Expired - Lifetime DE69924660T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6626198 1998-03-02
JP06626198A JP4294114B2 (ja) 1998-03-02 1998-03-02 ディジタルｆｍ検波回路

Publications (2)

Publication Number Publication Date
DE69924660D1 true DE69924660D1 (de) 2005-05-19
DE69924660T2 DE69924660T2 (de) 2005-09-29

Family

ID=13310748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924660T Expired - Lifetime DE69924660T2 (de) 1998-03-02 1999-02-26 Digitale Frequenzdemodulatorschaltung

Country Status (4)

Country Link
US (1) US6229386B1 (de)
EP (1) EP0940909B1 (de)
JP (1) JP4294114B2 (de)
DE (1) DE69924660T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3958513B2 (ja) * 2000-10-05 2007-08-15 三菱電機株式会社 ディジタルｆｍ復調器、映像信号処理装置、及びディジタルｆｍ復調方法
US20020101939A1 (en) * 2000-11-09 2002-08-01 Sundaresan Harini V. Fixed-point DSP implementation of FM demodulation and decoding
EP1811676B1 (de) * 2004-11-05 2012-02-08 Pioneer Corporation Fm-empfänger
US8401503B2 (en) 2005-03-01 2013-03-19 Qualcomm Incorporated Dual-loop automatic frequency control for wireless communication
US8009775B2 (en) * 2005-03-11 2011-08-30 Qualcomm Incorporated Automatic frequency control for a wireless communication system with multiple subcarriers
TW200915096A (en) * 2007-09-27 2009-04-01 Alcor Micro Corp Angle computation method and related circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106734B (en) * 1981-09-15 1986-01-15 Standard Telephones Cables Ltd Radio receiver
GB2113930B (en) * 1982-01-26 1985-03-13 Plessey Co Plc Frequency discriminator
US4560941A (en) * 1984-09-21 1985-12-24 General Electric Company Frequency modulation detector using digital signal vector processing
JPH01151307A (ja) * 1987-12-08 1989-06-14 Toshiba Corp デジタルｆｍ復調装置
US5224064A (en) * 1991-07-11 1993-06-29 Honeywell Inc. Transcendental function approximation apparatus and method
US5848739A (en) * 1997-01-17 1998-12-15 Package Research, Inc. Pump dispenser for flowable materials

Also Published As

Publication number Publication date
US6229386B1 (en) 2001-05-08
DE69924660T2 (de) 2005-09-29
JP4294114B2 (ja) 2009-07-08
EP0940909A1 (de) 1999-09-08
EP0940909B1 (de) 2005-04-13
JPH11251841A (ja) 1999-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition