GB2144004A - FM discriminator circuits - Google Patents

FM discriminator circuits Download PDF

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Publication number
GB2144004A
GB2144004A GB08417549A GB8417549A GB2144004A GB 2144004 A GB2144004 A GB 2144004A GB 08417549 A GB08417549 A GB 08417549A GB 8417549 A GB8417549 A GB 8417549A GB 2144004 A GB2144004 A GB 2144004A
Authority
GB
United Kingdom
Prior art keywords
signal
discriminator
autocorrelation
carrier frequency
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.)
Withdrawn
Application number
GB08417549A
Other languages
English (en)
Other versions
GB8417549D0 (en
Inventor
John James Dougherty
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8417549D0 publication Critical patent/GB8417549D0/en
Publication of GB2144004A publication Critical patent/GB2144004A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB08417549A 1983-07-25 1984-07-10 FM discriminator circuits Withdrawn GB2144004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51681383A 1983-07-25 1983-07-25

Publications (2)

Publication Number Publication Date
GB8417549D0 GB8417549D0 (en) 1984-08-15
GB2144004A true GB2144004A (en) 1985-02-20

Family

ID=24057194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08417549A Withdrawn GB2144004A (en) 1983-07-25 1984-07-10 FM discriminator circuits

Country Status (5)

Country Link
JP (1) JPS6068703A (de)
DE (1) DE3425782A1 (de)
FR (1) FR2550675A1 (de)
GB (1) GB2144004A (de)
IT (1) IT1176437B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0519491A1 (de) * 1991-06-20 1992-12-23 Fujitsu Limited Frequenzdiskriminator und Überlagerungsempfänger ausgestattet mit diesem Frequenzdiskriminator zur kohärenten Lichtübertragung
EP0760553A1 (de) * 1995-08-30 1997-03-05 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Demodulator für frequenzmoduliertes Signal
EP1798638A2 (de) 2005-12-13 2007-06-20 Kabushiki Kaisha Toshiba Testschaltung für Zufallszahlen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0770923B2 (ja) * 1985-04-25 1995-07-31 松下電器産業株式会社 同期検波装置
JP3754403B2 (ja) 2002-07-26 2006-03-15 株式会社東芝 電子透かし検出方法及び装置
JP4519678B2 (ja) 2005-02-21 2010-08-04 株式会社東芝 電子透かし検出方法及び装置、電子透かし埋め込み方法及び装置
JP4118279B2 (ja) 2005-03-11 2008-07-16 株式会社東芝 電子透かし検出装置及びその方法
DE102006001868B4 (de) 2006-01-13 2012-03-01 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zur Ansteuerung einer elektrischen Last und eine Energieversorgungseinrichtung
US7768216B2 (en) 2006-06-28 2010-08-03 Austriamicrosystems Ag Control circuit and method for controlling light emitting diodes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3392337A (en) * 1965-02-09 1968-07-09 Continental Electronics Mfg Wide band frequency discriminator employing a constant delay
GB1368419A (en) * 1973-06-11 1974-09-25 Singer Co Crystal controlled frequency discriminator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624523A (en) * 1969-09-19 1971-11-30 Hughes Aircraft Co Digital frequency discriminator
FR2237357B1 (de) * 1973-07-09 1977-02-18 Singer Co
GB1530151A (en) * 1976-01-12 1978-10-25 Gen Electric Co Ltd Frequency discriminators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3392337A (en) * 1965-02-09 1968-07-09 Continental Electronics Mfg Wide band frequency discriminator employing a constant delay
GB1368419A (en) * 1973-06-11 1974-09-25 Singer Co Crystal controlled frequency discriminator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0519491A1 (de) * 1991-06-20 1992-12-23 Fujitsu Limited Frequenzdiskriminator und Überlagerungsempfänger ausgestattet mit diesem Frequenzdiskriminator zur kohärenten Lichtübertragung
US5568305A (en) * 1991-06-20 1996-10-22 Fujitsu Limited Heterodyne receiver provided with a frequency discriminator for coherent lightwave communications
EP0760553A1 (de) * 1995-08-30 1997-03-05 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Demodulator für frequenzmoduliertes Signal
FR2738421A1 (fr) * 1995-08-30 1997-03-07 Suisse Electronique Microtech Dispositif demodulateur d'un signal module en frequence
US5808510A (en) * 1995-08-30 1998-09-15 Csem Centre Suisse D'electronique Et De Microtechnique Sa Demodulator for the demodulation of a frequency-modulated signal
EP1798638A2 (de) 2005-12-13 2007-06-20 Kabushiki Kaisha Toshiba Testschaltung für Zufallszahlen
EP1798638A3 (de) * 2005-12-13 2008-09-03 Kabushiki Kaisha Toshiba Testschaltung für Zufallszahlen

Also Published As

Publication number Publication date
IT1176437B (it) 1987-08-18
JPS6068703A (ja) 1985-04-19
IT8421964A0 (it) 1984-07-19
GB8417549D0 (en) 1984-08-15
FR2550675A1 (fr) 1985-02-15
DE3425782A1 (de) 1985-02-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)