DK160030C - Frekvenssynthesizer - Google Patents

Frekvenssynthesizer

Info

Publication number
DK160030C
DK160030C DK074083A DK74083A DK160030C DK 160030 C DK160030 C DK 160030C DK 074083 A DK074083 A DK 074083A DK 74083 A DK74083 A DK 74083A DK 160030 C DK160030 C DK 160030C
Authority
DK
Denmark
Prior art keywords
frequency synthesizer
synthesizer
frequency
Prior art date
Application number
DK074083A
Other languages
Danish (da)
English (en)
Other versions
DK74083A (da
DK74083D0 (da
DK160030B (da
Inventor
Michael James Underhill
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 DK74083D0 publication Critical patent/DK74083D0/da
Publication of DK74083A publication Critical patent/DK74083A/da
Publication of DK160030B publication Critical patent/DK160030B/da
Application granted granted Critical
Publication of DK160030C publication Critical patent/DK160030C/da

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
    • H03L7/197—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
    • H03L7/1976—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 using a phase accumulator for controlling the counter or frequency divider
    • H03L7/1978—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 using a phase accumulator for controlling the counter or frequency divider using a cycle or pulse removing circuit
DK074083A 1982-03-19 1983-02-21 Frekvenssynthesizer DK160030C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8208095 1982-03-19
GB08208095A GB2117198A (en) 1982-03-19 1982-03-19 Frequency synthesiser

Publications (4)

Publication Number Publication Date
DK74083D0 DK74083D0 (da) 1983-02-21
DK74083A DK74083A (da) 1983-09-20
DK160030B DK160030B (da) 1991-01-14
DK160030C true DK160030C (da) 1991-06-03

Family

ID=10529131

Family Applications (1)

Application Number Title Priority Date Filing Date
DK074083A DK160030C (da) 1982-03-19 1983-02-21 Frekvenssynthesizer

Country Status (8)

Country Link
US (1) US4536718A (ja)
EP (1) EP0089719B1 (ja)
JP (1) JPS58170226A (ja)
AU (1) AU559769B2 (ja)
CA (1) CA1193675A (ja)
DE (1) DE3374827D1 (ja)
DK (1) DK160030C (ja)
GB (1) GB2117198A (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117199A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
US4586005A (en) * 1985-07-16 1986-04-29 Hughes Aircraft Company Enhanced analog phase interpolation for Fractional-N frequency synthesis
GB2184617A (en) * 1985-07-30 1987-06-24 Chung Kwan Tsang Fast frequency switching fractional synthesizer
JPS6328131A (ja) * 1986-07-22 1988-02-05 Japan Radio Co Ltd スリツプ位相制御ｐｐｌによる周波数制御装置
US5014231A (en) * 1987-11-23 1991-05-07 Hughes Aircraft Company Randomized digital/analog converter direct digital synthesizer
US5097219A (en) * 1988-12-15 1992-03-17 Mitsubishi Denki Kabushiki Kaisha Pll for controlling frequency deviation of a variable frequency oscillator
US5045813A (en) * 1989-10-19 1991-09-03 Nihon Musen Kabushiki Kaisha Slip phase control PLL
US5109532A (en) * 1990-01-30 1992-04-28 General Instrument Corporation Elimination of phase noise and drift incident to up and down conversion in a broadcast communication system
JP2945545B2 (ja) * 1992-04-02 1999-09-06 三菱電機株式会社 Ｐｌｌ回路装置および位相差検出回路装置
US5317285A (en) * 1993-02-26 1994-05-31 Motorola, Inc. Frequency synthesizer employing a continuously adaptive phase detector and method
US5614431A (en) * 1995-12-20 1997-03-25 International Business Machines Corporation Method of making buried strap trench cell yielding an extended transistor
US5724008A (en) * 1996-05-02 1998-03-03 International Business Machines Corporation Phase-locked loop with charge distribution
US5821816A (en) * 1997-06-12 1998-10-13 Hewlett-Packard Company Integer division variable frequency synthesis apparatus and method
US7477713B2 (en) * 2004-03-02 2009-01-13 International Business Machines Corporation method for providing automatic adaptation to frequency offsets in high speed serial links
EP1820271A2 (en) * 2004-11-26 2007-08-22 Koninklijke Philips Electronics N.V. Jitter reduction circuit and frequency synthesizer.
US8995243B2 (en) 2010-01-15 2015-03-31 Laufer Teknik, Inc. System and method for suppressing jitter in digital data signals including image, video and audio data signals
WO2011088389A1 (en) * 2010-01-15 2011-07-21 Laufer Teknik, Inc. System and method for suppressing jitter

Family Cites Families (10)

* 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
GB1560233A (en) * 1977-02-02 1980-01-30 Marconi Co Ltd Frequency synthesisers
GB2033178B (en) * 1978-11-02 1983-01-26 Plessey Co Ltd Frequency synthesiser arrangement
GB2062315B (en) * 1979-10-30 1983-06-08 Philips Electronic Associated Frequency divider
GB2065395B (en) * 1979-11-29 1983-07-06 Sony Corp Frequency controlled signal generating circuit arrangements
GB2068185B (en) * 1980-01-21 1983-06-22 Philips Electronic Associated Frequency synthesiser of the phase lock loop type
GB2074421B (en) * 1980-04-16 1983-12-07 Philips Electronic Associated Frequency modulator circuit arrangement
GB2097206B (en) * 1981-04-21 1985-03-13 Marconi Co Ltd Frequency synthesisers
US4468632A (en) * 1981-11-30 1984-08-28 Rca Corporation Phase locked loop frequency synthesizer including fractional digital frequency divider

Also Published As

Publication number Publication date
EP0089719A1 (en) 1983-09-28
GB2117198A (en) 1983-10-05
JPH0451098B2 (ja) 1992-08-18
CA1193675A (en) 1985-09-17
DK74083A (da) 1983-09-20
DK74083D0 (da) 1983-02-21
JPS58170226A (ja) 1983-10-06
EP0089719B1 (en) 1987-12-02
DK160030B (da) 1991-01-14
DE3374827D1 (en) 1988-01-14
AU559769B2 (en) 1987-03-19
US4536718A (en) 1985-08-20
AU1256583A (en) 1983-09-22

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Legal Events

Date Code Title Description
PBP Patent lapsed