DE2334716A1 - Digitale frequenzvergleichsschaltung als fang- und halteschaltung fuer einen phasengeregelten oszillator - Google Patents

Digitale frequenzvergleichsschaltung als fang- und halteschaltung fuer einen phasengeregelten oszillator

Info

Publication number
DE2334716A1
DE2334716A1 DE19732334716 DE2334716A DE2334716A1 DE 2334716 A1 DE2334716 A1 DE 2334716A1 DE 19732334716 DE19732334716 DE 19732334716 DE 2334716 A DE2334716 A DE 2334716A DE 2334716 A1 DE2334716 A1 DE 2334716A1
Authority
DE
Germany
Prior art keywords
frequency
phase
comparison circuit
output
frequency comparison
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.)
Pending
Application number
DE19732334716
Other languages
German (de)
English (en)
Inventor
Werner Dipl-Ing Metzger
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.)
KOEPENICK FUNKWERK VEB
Original Assignee
KOEPENICK FUNKWERK VEB
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 KOEPENICK FUNKWERK VEB filed Critical KOEPENICK FUNKWERK VEB
Publication of DE2334716A1 publication Critical patent/DE2334716A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/187—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
    • H03L7/189—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE19732334716 1972-09-21 1973-07-07 Digitale frequenzvergleichsschaltung als fang- und halteschaltung fuer einen phasengeregelten oszillator Pending DE2334716A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16578172A DD100596A1 (it) 1972-09-21 1972-09-21

Publications (1)

Publication Number Publication Date
DE2334716A1 true DE2334716A1 (de) 1974-03-28

Family

ID=5488266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732334716 Pending DE2334716A1 (de) 1972-09-21 1973-07-07 Digitale frequenzvergleichsschaltung als fang- und halteschaltung fuer einen phasengeregelten oszillator

Country Status (4)

Country Link
DD (1) DD100596A1 (it)
DE (1) DE2334716A1 (it)
FR (1) FR2200678B1 (it)
GB (1) GB1413608A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128811A (en) * 1977-07-05 1978-12-05 General Electric Company Frequency indicating circuit
FR2439511A1 (fr) * 1978-10-16 1980-05-16 Licentia Gmbh Montage comprenant une boucle de regulation
JPS60206339A (ja) * 1984-03-30 1985-10-17 Victor Co Of Japan Ltd デジタル信号復調装置のビツトクロツク信号発生装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452109A (fr) * 1965-06-30 1966-02-25 Materiel Telephonique Oscillateur variable stabilisé
FR1480358A (fr) * 1966-03-31 1967-05-12 Materiel Telephonique Comparateur de fréquences d'impulsions
US3401353A (en) * 1967-07-06 1968-09-10 Sylvania Electric Prod Automatic coarse tuning system for a frequency synthesizer

Also Published As

Publication number Publication date
FR2200678A1 (it) 1974-04-19
GB1413608A (en) 1975-11-12
FR2200678B1 (it) 1977-08-12
DD100596A1 (it) 1973-09-20

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