DK453980A - Frekvenssyntentesizer - Google Patents

Frekvenssyntentesizer

Info

Publication number
DK453980A
DK453980A DK453980A DK453980A DK453980A DK 453980 A DK453980 A DK 453980A DK 453980 A DK453980 A DK 453980A DK 453980 A DK453980 A DK 453980A DK 453980 A DK453980 A DK 453980A
Authority
DK
Denmark
Prior art keywords
frequency synthesis
synthesis
frequency
Prior art date
Application number
DK453980A
Other languages
English (en)
Other versions
DK150559C (da
DK150559B (da
Inventor
M J Underhill
R I H Scott
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK453980A publication Critical patent/DK453980A/da
Publication of DK150559B publication Critical patent/DK150559B/da
Application granted granted Critical
Publication of DK150559C publication Critical patent/DK150559C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/662—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by adding or suppressing pulses
DK453980A 1979-10-30 1980-10-27 Frekvenssyntesizer DK150559C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7937487 1979-10-30
GB7937487A GB2062315B (en) 1979-10-30 1979-10-30 Frequency divider

Publications (3)

Publication Number Publication Date
DK453980A true DK453980A (da) 1981-05-01
DK150559B DK150559B (da) 1987-03-23
DK150559C DK150559C (da) 1988-02-22

Family

ID=10508848

Family Applications (1)

Application Number Title Priority Date Filing Date
DK453980A DK150559C (da) 1979-10-30 1980-10-27 Frekvenssyntesizer

Country Status (10)

Country Link
US (1) US4365201A (da)
JP (1) JPS5673930A (da)
AU (1) AU531387B2 (da)
CA (1) CA1155931A (da)
DE (1) DE3040387C2 (da)
DK (1) DK150559C (da)
FR (1) FR2469045A1 (da)
GB (1) GB2062315B (da)
IT (1) IT1194709B (da)
SE (1) SE447617B (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117198A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
GB2117197A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
GB2117199A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
GB2119979A (en) * 1982-04-23 1983-11-23 Citizen Watch Co Ltd Frequency divider
US4518920A (en) * 1982-06-03 1985-05-21 Klimsch/Optronics, Inc. Frequency synthesizer and method
GB2131240A (en) * 1982-11-05 1984-06-13 Philips Electronic Associated Frequency synthesiser
GB2132025B (en) * 1982-11-11 1986-11-19 Polytechnic Marine Limited A receiver for a phase comparison radio navigation system
US4618966A (en) * 1983-06-01 1986-10-21 Cincinnati Electronics Corporation Frequency shift key modulator
JP2561644B2 (ja) * 1983-10-31 1996-12-11 株式会社日立製作所 タイミング信号発生器
JP2511657B2 (ja) * 1986-08-19 1996-07-03 日本無線株式会社 周波数シンセサイザ
GB2196455A (en) * 1986-10-20 1988-04-27 Plessey Co Plc Frequency synthesiser
JPS63196112A (ja) * 1987-02-10 1988-08-15 Japan Radio Co Ltd 周波数シンセサイザ
US5014231A (en) * 1987-11-23 1991-05-07 Hughes Aircraft Company Randomized digital/analog converter direct digital synthesizer
GB2239115A (en) * 1989-12-15 1991-06-19 Philips Electronic Associated Direct dividing frequency synthesiser
DE4001555C2 (de) * 1990-01-20 1997-02-27 Philips Broadcast Television S Digitaler Oszillator
US5166629A (en) * 1991-04-26 1992-11-24 Westinghouse Electric Corp. Direct frequency synthesizer
GB9618069D0 (en) * 1996-08-28 1996-10-09 The Technology Partnership Plc Frequency dividing cicuit
US6510191B2 (en) * 2001-02-09 2003-01-21 Motorola, Inc. Direct digital synthesizer based on delay line with sorted taps
US8294504B2 (en) * 2008-02-27 2012-10-23 Synopsys, Inc. Methods and systems related to a configurable delay counter used with variable frequency clocks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447418A (en) * 1974-03-29 1976-08-25 Mullard Ltd Frequency synthesiser
US3976945A (en) * 1975-09-05 1976-08-24 Hewlett-Packard Company Frequency synthesizer
IT1073456B (it) * 1977-03-09 1985-04-17 Cselt Centro Studi Lab Telecom Generatore controllato di forme d'onda periodiche
US4132871A (en) * 1977-06-22 1979-01-02 Fairchild Camera And Instrument Corporation Digitally synthesized multi-frequency signal generator
US4296407A (en) * 1979-05-14 1981-10-20 Matsushita Electric Industrial Co. Digital frequency synthesizer with frequency divider programmable in response to stored digital control signal

Also Published As

Publication number Publication date
IT8025606A0 (it) 1980-10-27
JPS5673930A (en) 1981-06-19
AU531387B2 (en) 1983-08-18
DE3040387C2 (de) 1983-12-29
JPS6347013B2 (da) 1988-09-20
GB2062315B (en) 1983-06-08
DK150559C (da) 1988-02-22
US4365201A (en) 1982-12-21
DK150559B (da) 1987-03-23
DE3040387A1 (de) 1981-06-11
SE8007512L (sv) 1981-05-01
GB2062315A (en) 1981-05-20
AU6373080A (en) 1981-05-07
IT1194709B (it) 1988-09-22
CA1155931A (en) 1983-10-25
SE447617B (sv) 1986-11-24
FR2469045B1 (da) 1985-04-19
FR2469045A1 (fr) 1981-05-08

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Legal Events

Date Code Title Description
PBP Patent lapsed