DE69027815T2 - FM-Demodulator - Google Patents

FM-Demodulator

Info

Publication number
DE69027815T2
DE69027815T2 DE69027815T DE69027815T DE69027815T2 DE 69027815 T2 DE69027815 T2 DE 69027815T2 DE 69027815 T DE69027815 T DE 69027815T DE 69027815 T DE69027815 T DE 69027815T DE 69027815 T2 DE69027815 T2 DE 69027815T2
Authority
DE
Germany
Prior art keywords
demodulator
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
Application number
DE69027815T
Other languages
English (en)
Other versions
DE69027815D1 (de
Inventor
Etsurou Sakamoto
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69027815D1 publication Critical patent/DE69027815D1/de
Application granted granted Critical
Publication of DE69027815T2 publication Critical patent/DE69027815T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/911—Television signal processing therefor for the suppression of noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • 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
    • H03D2200/0062—Computation of input samples, e.g. successive samples
    • 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
    • H03D2200/008—Hilbert type transformation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Television Signal Processing For Recording (AREA)
DE69027815T 1989-05-25 1990-05-21 FM-Demodulator Expired - Fee Related DE69027815T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13222089 1989-05-25
JP683590 1990-01-16

Publications (2)

Publication Number Publication Date
DE69027815D1 DE69027815D1 (de) 1996-08-22
DE69027815T2 true DE69027815T2 (de) 1996-12-12

Family

ID=26341034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027815T Expired - Fee Related DE69027815T2 (de) 1989-05-25 1990-05-21 FM-Demodulator

Country Status (3)

Country Link
US (1) US5119199A (de)
EP (1) EP0399758B1 (de)
DE (1) DE69027815T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0141110B1 (ko) * 1993-02-26 1998-06-15 김광호 색신호 복조기
US5764704A (en) * 1996-06-17 1998-06-09 Symmetricom, Inc. DSP implementation of a cellular base station 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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922040A (en) * 1957-12-09 1960-01-19 Cons Electrodynamics Corp Demodulator
CH431610A (it) * 1964-04-07 1967-03-15 Sits Soc It Telecom Siemens Disposizione di circuiti per ridurre la distorsione propria di un demodulatore di onde modulate in frequenza per trasmissioni telegrafische e di dati
NL6609958A (de) * 1966-07-15 1968-01-16
US3626090A (en) * 1970-03-02 1971-12-07 Nippon Electric Co Automatic phase control system for use in suppressed carrier television transmission
JPS5625811B2 (de) * 1971-09-18 1981-06-15
US3764927A (en) * 1971-12-07 1973-10-09 Gen Datacomm Ind Inc Wide band frequency discriminator
FR2170152B1 (de) * 1972-02-03 1976-05-14 Rca Corp
GB2143386B (en) * 1983-07-14 1987-01-14 Standard Telephones Cables Ltd Radio receiver
JPS60119104A (ja) * 1983-12-01 1985-06-26 Sony Corp Ｆｍ復調器
US4629994A (en) * 1984-06-15 1986-12-16 Matsushita Electric Industrial Co., Ltd. FM demodulator
JPS61102804A (ja) * 1984-10-25 1986-05-21 Pioneer Electronic Corp Ｆｍ検波回路
US4602380A (en) * 1985-01-04 1986-07-22 Cbs Inc. Compatible transmission techniques for FM stereophonic radio and television
DE3569320D1 (en) * 1985-08-27 1989-05-11 Itt Ind Gmbh Deutsche Frequency conversion of a hf signal transmitted to a colour television receiver
FR2595895B1 (fr) * 1986-03-13 1988-05-13 France Etat Double demodulateur numerique
NL190886C (nl) * 1986-05-19 1994-10-03 Nippon Telegraph & Telephone Digitaal signaaldemodulatiesysteem.
DE3854309T2 (de) * 1987-04-30 1996-04-04 Matsushita Electric Ind Co Ltd Frequenz-Demodulationsschaltung.
NL8800555A (nl) * 1988-03-07 1989-10-02 Philips Nv Synchrone demodulatieschakeling voor een op een draaggolf gemoduleerd televisiesignaal.
JPH083939B2 (ja) * 1988-09-19 1996-01-17 松下電器産業株式会社 Ｆｍ復調回路

Also Published As

Publication number Publication date
EP0399758A2 (de) 1990-11-28
DE69027815D1 (de) 1996-08-22
EP0399758A3 (de) 1992-03-25
EP0399758B1 (de) 1996-07-17
US5119199A (en) 1992-06-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee