GB2122440B - Fm demodulator circuit - Google Patents

Fm demodulator circuit

Info

Publication number
GB2122440B
GB2122440B GB08310400A GB8310400A GB2122440B GB 2122440 B GB2122440 B GB 2122440B GB 08310400 A GB08310400 A GB 08310400A GB 8310400 A GB8310400 A GB 8310400A GB 2122440 B GB2122440 B GB 2122440B
Authority
GB
United Kingdom
Prior art keywords
demodulator circuit
demodulator
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
Application number
GB08310400A
Other versions
GB8310400D0 (en
GB2122440A (en
Inventor
Shinji Kitahara
Rikiya Kan
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.)
Toko Inc
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Publication of GB8310400D0 publication Critical patent/GB8310400D0/en
Publication of GB2122440A publication Critical patent/GB2122440A/en
Application granted granted Critical
Publication of GB2122440B publication Critical patent/GB2122440B/en
Expired 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
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
GB08310400A 1982-04-28 1983-04-18 Fm demodulator circuit Expired GB2122440B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57072248A JPS58212205A (en) 1982-04-28 1982-04-28 Fm detecting circuit

Publications (3)

Publication Number Publication Date
GB8310400D0 GB8310400D0 (en) 1983-05-25
GB2122440A GB2122440A (en) 1984-01-11
GB2122440B true GB2122440B (en) 1986-02-26

Family

ID=13483801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08310400A Expired GB2122440B (en) 1982-04-28 1983-04-18 Fm demodulator circuit

Country Status (4)

Country Link
JP (1) JPS58212205A (en)
KR (1) KR900007029B1 (en)
GB (1) GB2122440B (en)
HK (1) HK55487A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155786A (en) * 1991-04-29 1992-10-13 International Business Machines Corporation Apparatus and a method for an optical fiber interface
GB2263369A (en) * 1992-01-20 1993-07-21 Racal Res Ltd Frequency discriminator
AU683730B2 (en) * 1994-04-04 1997-11-20 Google Technology Holdings LLC A wide bandwidth discriminator for use in a radio receiver
JP3003600B2 (en) * 1996-11-20 2000-01-31 日本電気株式会社 FM demodulation circuit
ES2142754B1 (en) * 1998-04-17 2000-11-16 Iglesias Angel Sa DEMODULATOR FOR MODULATED SIGNALS IN FREQUENCY OF HIGH GAIN OF DEMODULATION.
JP2006033584A (en) * 2004-07-20 2006-02-02 Alps Electric Co Ltd Fsk detection circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE711338A (en) * 1967-03-02 1968-07-01
JPS5846884B2 (en) * 1975-01-16 1983-10-19 ソニー株式会社 hand warmer
JPS5928084B2 (en) * 1975-04-24 1984-07-10 ソニー株式会社 Demodulation circuit
JPS5328361A (en) * 1976-08-27 1978-03-16 Sony Corp Quadratur e phase detection circuit

Also Published As

Publication number Publication date
HK55487A (en) 1987-08-07
JPS6330807B2 (en) 1988-06-21
KR900007029B1 (en) 1990-09-27
GB8310400D0 (en) 1983-05-25
KR840003935A (en) 1984-10-04
JPS58212205A (en) 1983-12-09
GB2122440A (en) 1984-01-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990418