KR920007452B1 - 디지탈 fm 복조장치 - Google Patents

디지탈 fm 복조장치 Download PDF

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Publication number
KR920007452B1
KR920007452B1 KR1019880016293A KR880016293A KR920007452B1 KR 920007452 B1 KR920007452 B1 KR 920007452B1 KR 1019880016293 A KR1019880016293 A KR 1019880016293A KR 880016293 A KR880016293 A KR 880016293A KR 920007452 B1 KR920007452 B1 KR 920007452B1
Authority
KR
South Korea
Prior art keywords
digital
signal
circuit
input
output
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
Application number
KR1019880016293A
Other languages
English (en)
Korean (ko)
Other versions
KR890011192A (ko
Inventor
요시히사 사카자키
Original Assignee
가부시기가이샤도시바
아오이 죠이치
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 가부시기가이샤도시바, 아오이 죠이치 filed Critical 가부시기가이샤도시바
Publication of KR890011192A publication Critical patent/KR890011192A/ko
Application granted granted Critical
Publication of KR920007452B1 publication Critical patent/KR920007452B1/ko
Expired legal-status Critical Current

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Classifications

    • 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
    • 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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • 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
    • 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)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
KR1019880016293A 1987-12-08 1988-12-08 디지탈 fm 복조장치 Expired KR920007452B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-310020 1987-12-08
JP62310020A JPH01151307A (ja) 1987-12-08 1987-12-08 デジタルｆｍ復調装置
JP310020 1987-12-08

Publications (2)

Publication Number Publication Date
KR890011192A KR890011192A (ko) 1989-08-14
KR920007452B1 true KR920007452B1 (ko) 1992-09-01

Family

ID=18000190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880016293A Expired KR920007452B1 (ko) 1987-12-08 1988-12-08 디지탈 fm 복조장치

Country Status (4)

Country Link
US (1) US4875017A (enExample)
JP (1) JPH01151307A (enExample)
KR (1) KR920007452B1 (enExample)
DE (1) DE3841388A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3158614B2 (ja) * 1992-03-26 2001-04-23 ソニー株式会社 デジタル復調装置
JP3025384B2 (ja) * 1993-01-13 2000-03-27 シャープ株式会社 デジタルｆｍ復調装置
ES2118995T3 (es) * 1993-03-25 1998-10-01 Bosch Gmbh Robert Procedimiento para la demodulacion de señales de frecuencia modulada.
EP0618672A1 (de) * 1993-03-31 1994-10-05 ANT Nachrichtentechnik GmbH Verfahren zur Demodulation von frequenzmodulierten Signalen
GB9319728D0 (en) * 1993-09-24 1993-11-10 Snell & Wilcox Ltd Video signal processing
US5661433A (en) * 1996-06-27 1997-08-26 Motorola, Inc. Digital FM demodulator
JP4294114B2 (ja) 1998-03-02 2009-07-08 パイオニア株式会社 ディジタルｆｍ検波回路
US6833875B1 (en) * 1999-09-02 2004-12-21 Techwell, Inc. Multi-standard video decoder
US6377313B1 (en) 1999-09-02 2002-04-23 Techwell, Inc. Sharpness enhancement circuit for video signals
US20040143226A1 (en) * 2003-01-16 2004-07-22 Becton, Dickinson And Company Blood collection set with venting mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757007A (en) * 1980-09-24 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Orthogonal delay detecting circuit
DE3138464A1 (de) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen demodulation frequenzmodulierter signale
GB2113930B (en) * 1982-01-26 1985-03-13 Plessey Co Plc Frequency discriminator
US4547737A (en) * 1983-07-29 1985-10-15 Rca Corporation Demodulator of sampled data FM signals from sets of four successive samples
GB8528541D0 (en) * 1985-11-20 1985-12-24 Devon County Council Fm demodulator

Also Published As

Publication number Publication date
DE3841388A1 (de) 1989-06-29
JPH01151307A (ja) 1989-06-14
KR890011192A (ko) 1989-08-14
US4875017A (en) 1989-10-17
DE3841388C2 (enExample) 1993-09-02

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