FR1556495A - - Google Patents

Info

Publication number
FR1556495A
FR1556495A FR1556495DA FR1556495A FR 1556495 A FR1556495 A FR 1556495A FR 1556495D A FR1556495D A FR 1556495DA FR 1556495 A FR1556495 A FR 1556495A
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FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1556495A publication Critical patent/FR1556495A/fr
Expired legal-status Critical Current

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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
    • H03L7/16—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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
FR1556495D 1967-02-11 1968-02-07 Expired FR1556495A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6702110A NL6702110A (fr) 1967-02-11 1967-02-11

Publications (1)

Publication Number Publication Date
FR1556495A true FR1556495A (fr) 1969-02-07

Family

ID=19799276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1556495D Expired FR1556495A (fr) 1967-02-11 1968-02-07

Country Status (10)

Country Link
US (1) US3516007A (fr)
AT (1) AT274894B (fr)
BE (1) BE710610A (fr)
CH (1) CH468124A (fr)
DE (1) DE1616289A1 (fr)
DK (1) DK128389B (fr)
FR (1) FR1556495A (fr)
GB (1) GB1143896A (fr)
NL (1) NL6702110A (fr)
SE (1) SE334395B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177553A1 (fr) * 1972-03-29 1973-11-09 Trt Telecom Radio Electr

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211664A1 (de) * 1972-03-10 1973-09-20 Loewe Opta Gmbh Abstimmeinheit fuer hochfrequenzempfangsgeraete
FR2196549B1 (fr) * 1972-08-16 1978-09-08 Wandel & Goltermann
US3928813A (en) * 1974-09-26 1975-12-23 Hewlett Packard Co Device for synthesizing frequencies which are rational multiples of a fundamental frequency
US3959737A (en) * 1974-11-18 1976-05-25 Engelmann Microwave Co. Frequency synthesizer having fractional frequency divider in phase-locked loop
DE2513948C3 (de) * 1975-03-29 1981-12-17 Wandel & Goltermann Gmbh & Co, 7412 Eningen Stufig einstellbarer Frequenzgenerator mit einer phasengerasteten Regelschleife
US4079329A (en) * 1976-11-11 1978-03-14 Harris Corporation Signal demodulator including data normalization
JPS5914997B2 (ja) * 1978-06-27 1984-04-06 松下電器産業株式会社 電動機の速度制御装置
GB2026268B (en) * 1978-07-22 1982-07-28 Racal Communcations Equipment Frequency synthesizers
US4290028A (en) * 1979-07-30 1981-09-15 International Telephone And Telegraph Corporation High speed phase locked loop frequency synthesizer
DE3025228A1 (de) * 1980-07-03 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Genrator mit nicht ganzzahliger digitaler frequenzeinstellung
US4468632A (en) * 1981-11-30 1984-08-28 Rca Corporation Phase locked loop frequency synthesizer including fractional digital frequency divider
US5077529A (en) * 1989-07-19 1991-12-31 Level One Communications, Inc. Wide bandwidth digital phase locked loop with reduced low frequency intrinsic jitter
DE4200816A1 (de) * 1992-01-15 1993-07-22 Bosch Gmbh Robert Frequenz- und phasenmodulator fuer digitale modulatoren bzw. digitale uebertragung, insbesondere fuer funkuebertragung
US5493243A (en) * 1994-01-04 1996-02-20 Level One Communications, Inc. Digitally controlled first order jitter attentuator using a digital frequency synthesizer
US6249557B1 (en) 1997-03-04 2001-06-19 Level One Communications, Inc. Apparatus and method for performing timing recovery
US5777521A (en) * 1997-08-12 1998-07-07 Motorola Inc. Parallel accumulator fractional-n frequency synthesizer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344361A (en) * 1964-10-28 1967-09-26 Aga Ab Phase controlled oscillator loop including an electronic counter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177553A1 (fr) * 1972-03-29 1973-11-09 Trt Telecom Radio Electr

Also Published As

Publication number Publication date
DK128389B (da) 1974-04-22
SE334395B (fr) 1971-04-26
GB1143896A (en) 1969-02-26
DE1616289A1 (de) 1971-04-01
BE710610A (fr) 1968-08-09
AT274894B (de) 1969-10-10
CH468124A (de) 1969-01-31
US3516007A (en) 1970-06-02
NL6702110A (fr) 1968-08-12

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Legal Events

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ST Notification of lapse