IT1032354B - Perfezionamento nei circuiti agganciati in fase - Google Patents

Perfezionamento nei circuiti agganciati in fase

Info

Publication number
IT1032354B
IT1032354B IT48667/75A IT4866775A IT1032354B IT 1032354 B IT1032354 B IT 1032354B IT 48667/75 A IT48667/75 A IT 48667/75A IT 4866775 A IT4866775 A IT 4866775A IT 1032354 B IT1032354 B IT 1032354B
Authority
IT
Italy
Prior art keywords
hooked
circuits
improvement
phase
circuits hooked
Prior art date
Application number
IT48667/75A
Other languages
English (en)
Italian (it)
Original Assignee
Blaupunkt Werke Gmbh
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
Priority claimed from DE2413604A external-priority patent/DE2413604A1/de
Application filed by Blaupunkt Werke Gmbh filed Critical Blaupunkt Werke Gmbh
Application granted granted Critical
Publication of IT1032354B publication Critical patent/IT1032354B/it

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
    • H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT48667/75A 1974-03-21 1975-03-18 Perfezionamento nei circuiti agganciati in fase IT1032354B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2413604A DE2413604A1 (de) 1974-03-21 1974-03-21 Phasenverriegelte regelschleife

Publications (1)

Publication Number Publication Date
IT1032354B true IT1032354B (it) 1979-05-30

Family

ID=5910739

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48667/75A IT1032354B (it) 1974-03-21 1975-03-18 Perfezionamento nei circuiti agganciati in fase

Country Status (5)

Country Link
US (1) US3983497A (forum.php)
AT (1) AT349061B (forum.php)
CH (1) CH588737A5 (forum.php)
FR (1) FR2273284B1 (forum.php)
IT (1) IT1032354B (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493094A (en) * 1982-08-26 1985-01-08 At&T Bell Laboratories Clock phase control with time distribution of phase corrections
US4795985A (en) * 1986-04-01 1989-01-03 Hewlett-Packard Company Digital phase lock loop
US4829258A (en) * 1987-09-03 1989-05-09 Intel Corporation Stabilized phase locked loop

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337814A (en) * 1966-08-23 1967-08-22 Collins Radio Co Phase comparator for use in frequency synthesizer phase locked loop
US3354403A (en) * 1966-11-23 1967-11-21 Collins Radio Co Counter step-down frequency synthesizer
US3611175A (en) * 1970-03-26 1971-10-05 Sylvania Electric Prod Search circuit for frequency synthesizer
US3714589A (en) * 1971-12-01 1973-01-30 R Lewis Digitally controlled phase shifter
US3781695A (en) * 1972-05-04 1973-12-25 Westinghouse Electric Corp Digital phase-locked-loop
US3805192A (en) * 1972-08-09 1974-04-16 Electronic Communications Frequency modulator-variable frequency generator
US3849736A (en) * 1973-11-19 1974-11-19 Dana Corp Frequency synthesizer having frequency control loop with keyed fixed frequency oscillator

Also Published As

Publication number Publication date
FR2273284B1 (forum.php) 1979-08-24
CH588737A5 (forum.php) 1977-06-15
ATA214075A (de) 1978-08-15
FR2273284A1 (forum.php) 1975-12-26
US3983497A (en) 1976-09-28
AT349061B (de) 1979-03-26

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