DE3468793D1 - Phase-locked loop and device for demodulating frequency-modulated signals comprising such a loop - Google Patents

Phase-locked loop and device for demodulating frequency-modulated signals comprising such a loop

Info

Publication number
DE3468793D1
DE3468793D1 DE8484200627T DE3468793T DE3468793D1 DE 3468793 D1 DE3468793 D1 DE 3468793D1 DE 8484200627 T DE8484200627 T DE 8484200627T DE 3468793 T DE3468793 T DE 3468793T DE 3468793 D1 DE3468793 D1 DE 3468793D1
Authority
DE
Germany
Prior art keywords
loop
phase
modulated signals
demodulating frequency
locked loop
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
DE8484200627T
Other languages
German (de)
English (en)
Inventor
Philippe Nicolas Horvat
Joel Pierre Gris
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.)
PORTENSEIGNE SA
Koninklijke Philips NV
Original Assignee
PORTENSEIGNE SA
Philips Gloeilampenfabrieken NV
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 PORTENSEIGNE SA, Philips Gloeilampenfabrieken NV filed Critical PORTENSEIGNE SA
Application granted granted Critical
Publication of DE3468793D1 publication Critical patent/DE3468793D1/de
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
    • H03D3/24—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
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
    • H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
    • 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
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0007—Dual gate field effect transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
DE8484200627T 1983-05-06 1984-05-03 Phase-locked loop and device for demodulating frequency-modulated signals comprising such a loop Expired DE3468793D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8307586A FR2545667B1 (fr) 1983-05-06 1983-05-06 Boucle a verrouillage de phase et dispositif de demodulation de signaux modules en frequence comprenant une telle boucle

Publications (1)

Publication Number Publication Date
DE3468793D1 true DE3468793D1 (en) 1988-02-18

Family

ID=9288660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484200627T Expired DE3468793D1 (en) 1983-05-06 1984-05-03 Phase-locked loop and device for demodulating frequency-modulated signals comprising such a loop

Country Status (7)

Country Link
US (1) US4596955A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0124940B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59225616A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3468793D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK220284A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2545667B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL71746A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429868A1 (de) * 1984-08-14 1986-02-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Abstimmbarer resonanzkreis fuer eine pll-fm - demodulator
US4783849A (en) * 1986-11-26 1988-11-08 Rca Licensing Corporation FET tuner
US4703286A (en) * 1986-11-26 1987-10-27 Rca Corporation Dual gate tunable oscillator
US4743866A (en) * 1986-11-26 1988-05-10 Rca Corporation Wide range oscillator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676785A (en) * 1970-12-10 1972-07-11 Honeywell Inf Systems High gain, ultra linear detector for frequency modulation
US3723905A (en) * 1971-06-21 1973-03-27 Rca Corp Dual-gate mos-fet oscillator circuit with amplitude stabilization
US3778728A (en) * 1972-04-11 1973-12-11 Edmac Ass Inc Phaselocked-fm detector apparatus
US3821470A (en) * 1973-05-21 1974-06-28 Zenith Radio Corp Phase correction for horizontal oscillator in cmos form
JPS5793704A (en) * 1980-12-03 1982-06-10 Alps Electric Co Ltd Fm demodulation circuit
FR2498843A1 (fr) * 1981-01-28 1982-07-30 Labo Electronique Physique Dispositif oscillateur-melangeur stabilise par un resonateur dielectrique

Also Published As

Publication number Publication date
FR2545667A1 (fr) 1984-11-09
US4596955A (en) 1986-06-24
DK220284A (da) 1984-11-07
FR2545667B1 (fr) 1985-07-12
DK220284D0 (da) 1984-05-03
JPS59225616A (ja) 1984-12-18
JPH0347015B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-18
EP0124940A1 (fr) 1984-11-14
EP0124940B1 (fr) 1988-01-13
IL71746A (en) 1987-12-20
IL71746A0 (en) 1984-09-30

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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