DE3170205D1 - Digital phase/frequency control circuit - Google Patents

Digital phase/frequency control circuit

Info

Publication number
DE3170205D1
DE3170205D1 DE8181110300T DE3170205T DE3170205D1 DE 3170205 D1 DE3170205 D1 DE 3170205D1 DE 8181110300 T DE8181110300 T DE 8181110300T DE 3170205 T DE3170205 T DE 3170205T DE 3170205 D1 DE3170205 D1 DE 3170205D1
Authority
DE
Germany
Prior art keywords
control circuit
frequency control
digital phase
digital
phase
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
DE8181110300T
Other languages
German (de)
English (en)
Inventor
Gunther Lindstedt
Guido Hugo Ing Grad Nopper
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Application granted granted Critical
Publication of DE3170205D1 publication Critical patent/DE3170205D1/de
Expired 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
    • 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
    • H03L7/191—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 at least two different signals from the frequency divider or the counter for determining the time difference
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means
DE8181110300T 1981-12-10 1981-12-10 Digital phase/frequency control circuit Expired DE3170205D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81110300A EP0081598B1 (de) 1981-12-10 1981-12-10 Digitale Phasen/Frequenzregelschaltung

Publications (1)

Publication Number Publication Date
DE3170205D1 true DE3170205D1 (en) 1985-05-30

Family

ID=8188062

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181110300T Expired DE3170205D1 (en) 1981-12-10 1981-12-10 Digital phase/frequency control circuit

Country Status (4)

Country Link
US (1) US4517529A (en])
EP (1) EP0081598B1 (en])
JP (1) JPS58150331A (en])
DE (1) DE3170205D1 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890072A (en) * 1988-02-03 1989-12-26 Motorola, Inc. Phase locked loop having a fast lock current reduction and clamping circuit
DE3909200C2 (de) * 1989-03-21 1995-02-09 Hella Kg Hueck & Co Einrichtungen zur Taktsignalaufbereitung für eine taktgesteuerte Schaltungsanordnung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701039A (en) * 1968-10-28 1972-10-24 Ibm Random binary data signal frequency and phase compensation circuit
US4138650A (en) * 1972-05-15 1979-02-06 Anderson Scott K Phase lock loop
GB1481786A (en) * 1974-09-13 1977-08-03 Farnell Instr Ltd Frequency control circuits
US3988696A (en) * 1975-11-28 1976-10-26 The Bendix Corporation Phase lock detector for digital frequency synthesizer
JPS5273659A (en) * 1975-12-16 1977-06-20 Sanyo Electric Co Ltd Frequency synthesizer
US4151473A (en) * 1977-11-18 1979-04-24 Harris Corporation Phase detector circuit
DE2856211A1 (de) * 1978-12-27 1980-07-03 Licentia Gmbh Digitale phasenregelschaltung mit einer hilfsschaltung
DE2932049A1 (de) * 1979-08-07 1981-02-12 Rohde & Schwarz Frequenz- und phasengeregelter hochfrequenzoszillator

Also Published As

Publication number Publication date
EP0081598A1 (de) 1983-06-22
JPS58150331A (ja) 1983-09-07
JPH021459B2 (en]) 1990-01-11
EP0081598B1 (de) 1985-04-24
US4517529A (en) 1985-05-14

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee