IT1125499B - Complesso sintetizzatore di frequenza - Google Patents

Complesso sintetizzatore di frequenza

Info

Publication number
IT1125499B
IT1125499B IT26611/79A IT2661179A IT1125499B IT 1125499 B IT1125499 B IT 1125499B IT 26611/79 A IT26611/79 A IT 26611/79A IT 2661179 A IT2661179 A IT 2661179A IT 1125499 B IT1125499 B IT 1125499B
Authority
IT
Italy
Prior art keywords
complex
frequency synthesizer
synthesizer
frequency
synthesizer complex
Prior art date
Application number
IT26611/79A
Other languages
English (en)
Other versions
IT7926611A0 (it
Inventor
Kumar Das Tapan
Andrew Fryer Martin
Original Assignee
Plessey Handel Investment Ag
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 Plessey Handel Investment Ag filed Critical Plessey Handel Investment Ag
Publication of IT7926611A0 publication Critical patent/IT7926611A0/it
Application granted granted Critical
Publication of IT1125499B publication Critical patent/IT1125499B/it

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
    • H03L7/16—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
    • H03L7/193—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 the frequency divider/counter comprising a commutable pre-divider, e.g. a two modulus divider
IT26611/79A 1978-11-02 1979-10-18 Complesso sintetizzatore di frequenza IT1125499B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7843000A GB2033178B (en) 1978-11-02 1978-11-02 Frequency synthesiser arrangement

Publications (2)

Publication Number Publication Date
IT7926611A0 IT7926611A0 (it) 1979-10-18
IT1125499B true IT1125499B (it) 1986-05-14

Family

ID=10500765

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26611/79A IT1125499B (it) 1978-11-02 1979-10-18 Complesso sintetizzatore di frequenza

Country Status (4)

Country Link
US (1) US4344045A (it)
DE (1) DE2943912A1 (it)
GB (1) GB2033178B (it)
IT (1) IT1125499B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598966B2 (ja) * 1979-04-10 1984-02-28 株式会社東芝 テレビジヨン受像機の制御装置
JPS5718129A (en) * 1980-07-07 1982-01-29 Nec Corp Pulse swallow frequency divider
DE3027828A1 (de) * 1980-07-23 1982-03-04 Deutsche Itt Industries Gmbh, 7800 Freiburg Frequenz/phasenregelschleife
JPS57118444A (en) * 1981-01-14 1982-07-23 Toshiba Corp Processor of transmitted signal
US4472820A (en) * 1981-04-06 1984-09-18 Motorola, Inc. Program swallow counting device using a single synchronous counter for frequency synthesizing
GB2117198A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
US4590602A (en) * 1983-08-18 1986-05-20 General Signal Wide range clock recovery circuit
US4584538A (en) * 1984-06-28 1986-04-22 Motorola, Inc. Modulus control loop
US4573023A (en) * 1984-08-07 1986-02-25 John Fluke Mfg. Co., Inc. Multiple-multiple modulus prescaler for a phase-locked loop
US4902920A (en) * 1988-09-26 1990-02-20 General Signal Corporation Extended range phase detector
AT401986B (de) * 1991-05-14 1997-01-27 Siemens Ag Oesterreich Digitaler phasenregelkreis
US6888580B2 (en) 2001-02-27 2005-05-03 Ati Technologies Inc. Integrated single and dual television tuner having improved fine tuning
EP3618281B1 (en) * 2018-09-03 2023-05-10 IHP GmbH - Innovations for High Performance Microelectronics / Leibniz-Institut für innovative Mikroelektronik Parallel fractional-n phase locked loop circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177553B1 (it) * 1972-03-29 1976-06-11 Trt Telecom Radio Electr
IT1036497B (it) * 1975-07-11 1979-10-30 Indesit Circuito selezionatore di emittente in un ricevitore di segnali
GB1581525A (en) * 1976-08-04 1980-12-17 Plessey Co Ltd Frequency synthesis control system
GB1560233A (en) * 1977-02-02 1980-01-30 Marconi Co Ltd Frequency synthesisers

Also Published As

Publication number Publication date
DE2943912A1 (de) 1980-05-22
GB2033178B (en) 1983-01-26
GB2033178A (en) 1980-05-14
US4344045A (en) 1982-08-10
IT7926611A0 (it) 1979-10-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931029