CH537668A - Fm-demodulator - Google Patents

Fm-demodulator

Info

Publication number
CH537668A
CH537668A CH869771A CH869771A CH537668A CH 537668 A CH537668 A CH 537668A CH 869771 A CH869771 A CH 869771A CH 869771 A CH869771 A CH 869771A CH 537668 A CH537668 A CH 537668A
Authority
CH
Switzerland
Prior art keywords
demodulator
Prior art date
Application number
CH869771A
Other languages
English (en)
Inventor
French Jarger Harold
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH537668A publication Critical patent/CH537668A/de

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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
CH869771A 1970-06-16 1971-06-15 Fm-demodulator CH537668A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4670770A 1970-06-16 1970-06-16

Publications (1)

Publication Number Publication Date
CH537668A true CH537668A (de) 1973-05-31

Family

ID=21944944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH869771A CH537668A (de) 1970-06-16 1971-06-15 Fm-demodulator

Country Status (7)

Country Link
US (1) US3657661A (de)
BE (1) BE768261A (de)
CH (1) CH537668A (de)
DE (1) DE2129420C3 (de)
FR (1) FR2095285B1 (de)
GB (1) GB1335142A (de)
NO (1) NO137413C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407802A1 (de) * 1989-07-10 1991-01-16 STMicroelectronics S.r.l. Verfahren und Schaltungsanordnung zur Demodulation von Mehrnormen-Fernsehsignalen

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864635A (en) * 1972-08-04 1975-02-04 Westinghouse Electric Corp Correlation receiver with rapid frequency, time and phase acquisition
US3944940A (en) * 1974-09-06 1976-03-16 Pertec Corporation Versatile phase-locked loop for read data recovery
IT1047373B (it) * 1975-10-16 1980-09-10 Indesit Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali
US3997848A (en) * 1975-11-26 1976-12-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Linear phase demodulator including a phase locked loop with auxiliary feedback loop
JPS5665530A (en) * 1979-10-31 1981-06-03 Sony Corp Pll circuit
DE3068106D1 (en) * 1979-08-29 1984-07-12 Rockwell International Corp Ccd integrated circuit
US4339828A (en) * 1979-10-12 1982-07-13 Chasek Norman E Automatic method for advantageously trading signal distortion for improved noise threshold in frequency modulated receivers
FR2481549A1 (fr) * 1980-04-25 1981-10-30 Thomson Brandt Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant
US4517519A (en) * 1980-11-07 1985-05-14 Kabushiki Kaisha Suwa Seikosha FSK Demodulator employing a switched capacitor filter and period counters
DE3175644D1 (en) * 1981-08-31 1987-01-08 Oki Electric Ind Co Ltd High-sensitivity fm signal demodulation system
FR2561468B1 (fr) * 1984-03-13 1989-10-20 Thomson Csf Filtre actif hyperfrequence
FR2658346A1 (fr) * 1990-02-13 1991-08-16 Neiman Sa Systeme de telecommande.
US5499392A (en) * 1994-07-19 1996-03-12 Matsushita Communication Industrial Corporation Of America Filter having a variable response time for filtering an input signal
US5757864A (en) * 1995-08-17 1998-05-26 Rockwell Semiconductor Systems, Inc. Receiver with filters offset correction
US5952890A (en) * 1997-02-05 1999-09-14 Fox Enterprises, Inc. Crystal oscillator programmable with frequency-defining parameters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117280A (en) * 1962-04-17 1964-01-07 Sperry Rand Corp Timing signal receiver
US3212023A (en) * 1964-05-07 1965-10-12 Collins Radio Co Digital stabilized master oscillator with auxiliary high frequency loop
US3346814A (en) * 1964-07-29 1967-10-10 Hughes Aircraft Co Dual loop demodulator including a phase lock loop and an afc loop
US3297953A (en) * 1965-02-01 1967-01-10 Gordon Engineering Corp Frequency synthesizer
US3358240A (en) * 1965-03-11 1967-12-12 George A Mckay Extended phase detector for phaselocked loop receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407802A1 (de) * 1989-07-10 1991-01-16 STMicroelectronics S.r.l. Verfahren und Schaltungsanordnung zur Demodulation von Mehrnormen-Fernsehsignalen

Also Published As

Publication number Publication date
DE2129420A1 (de) 1971-12-23
FR2095285B1 (de) 1976-03-19
GB1335142A (en) 1973-10-24
BE768261A (fr) 1971-12-09
US3657661A (en) 1972-04-18
FR2095285A1 (de) 1972-02-11
DE2129420B2 (de) 1977-12-01
NO137413C (no) 1978-02-22
DE2129420C3 (de) 1978-07-20
NO137413B (no) 1977-11-14

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Legal Events

Date Code Title Description
PL Patent ceased