HK57797A - Continuously adaptive phase locked loop synthesizer - Google Patents

Continuously adaptive phase locked loop synthesizer

Info

Publication number
HK57797A
HK57797A HK57797A HK57797A HK57797A HK 57797 A HK57797 A HK 57797A HK 57797 A HK57797 A HK 57797A HK 57797 A HK57797 A HK 57797A HK 57797 A HK57797 A HK 57797A
Authority
HK
Hong Kong
Prior art keywords
pulse width
loop filter
locked loop
phase locked
filter
Prior art date
Application number
HK57797A
Other languages
English (en)
Inventor
Alexander W Hietala
Steven F Gillig
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of HK57797A publication Critical patent/HK57797A/xx

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
    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
HK57797A 1988-11-30 1997-05-01 Continuously adaptive phase locked loop synthesizer HK57797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/278,052 US4885553A (en) 1988-11-30 1988-11-30 Continuously adaptive phase locked loop synthesizer

Publications (1)

Publication Number Publication Date
HK57797A true HK57797A (en) 1997-05-09

Family

ID=23063492

Family Applications (1)

Application Number Title Priority Date Filing Date
HK57797A HK57797A (en) 1988-11-30 1997-05-01 Continuously adaptive phase locked loop synthesizer

Country Status (13)

Country Link
US (1) US4885553A (fr)
EP (1) EP0371790B1 (fr)
JP (1) JP2546725B2 (fr)
AT (1) ATE120317T1 (fr)
AU (1) AU617571B2 (fr)
CA (1) CA1328301C (fr)
DE (1) DE68921852T2 (fr)
DK (1) DK176490A (fr)
ES (1) ES2069597T3 (fr)
HK (1) HK57797A (fr)
IE (1) IE62092B1 (fr)
MX (1) MX166683B (fr)
WO (1) WO1990006629A1 (fr)

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US4983978A (en) * 1989-03-21 1991-01-08 United Technologies Corporation Multi-frequency comb generator for radar and the like
JPH0783260B2 (ja) * 1989-07-18 1995-09-06 ナカミチ株式会社 クロック形成回路
US5218313A (en) * 1989-08-25 1993-06-08 Anritsu Corporation Frequency synthesizer for implementing generator of highly pure signals and circuit devices, such as VCO, PLL and SG used therein
US5254955A (en) * 1989-08-25 1993-10-19 Anritsu Corporation Advanced phase locked loop circuit
US5122763A (en) * 1989-08-25 1992-06-16 Anritsu Corporation Frequency snythesizer for implementing generator of highly pure signals and circuit devices, such as vcq, bll and sg, used therein
US5726288A (en) * 1989-11-13 1998-03-10 Massachusetts Institute Of Technology Localization and characterization of the Wilms' tumor gene
WO1991007509A1 (fr) * 1989-11-13 1991-05-30 Massachusetts Institute Of Technology Localisation et caracterisation du gene tumoral de wilms
US5093628A (en) * 1990-02-26 1992-03-03 Digital Equipment Corporation Of Canada, Ltd. Current-pulse integrating circuit and phase-locked loop
FR2670343B1 (fr) * 1990-12-10 2003-07-04 Aerospatiale Procede de synchronisation de deux suites d'impulsions numeriques s et rf a haute frequence et dispositif pour la mise en óoeuvre du procede.
US5055803A (en) * 1990-12-14 1991-10-08 Motorola, Inc. Parameter tolerant PLL synthesizer
DE4104040C2 (de) * 1991-02-09 2002-08-14 Thomson Brandt Gmbh Verfahren zum Abgleich und Betrieb einer Schaltungsanordnung sowie Schaltungsanordnung zur Durchführung des Verfahrens
JP2788797B2 (ja) * 1991-06-13 1998-08-20 日本電気株式会社 位相同期ループ回路
US5142246A (en) * 1991-06-19 1992-08-25 Telefonaktiebolaget L M Ericsson Multi-loop controlled VCO
US5146187A (en) * 1991-07-01 1992-09-08 Ericsson Ge Mobile Communications Inc. Synthesizer loop filter for scanning receivers
US5438703A (en) * 1991-11-18 1995-08-01 Motorola, Inc. Radio with reduced frequency pull
US5313503A (en) * 1992-06-25 1994-05-17 International Business Machines Corporation Programmable high speed digital phase locked loop
US5315623A (en) * 1992-08-04 1994-05-24 Ford Motor Company Dual mode phase-locked loop
US5371480A (en) * 1992-12-04 1994-12-06 Telefonaktiebolaget L M Ericsson Step controlled signal generator
US5317285A (en) * 1993-02-26 1994-05-31 Motorola, Inc. Frequency synthesizer employing a continuously adaptive phase detector and method
DE4497810T1 (de) * 1993-10-14 1995-12-21 Ericsson Ge Mobile Communicat Adaptiver Bandbreiten-Empfänger
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
US5424689A (en) * 1993-12-22 1995-06-13 Motorola, Inc. Filtering device for use in a phase locked loop controller
US5680076A (en) * 1996-01-05 1997-10-21 International Business Machines Corporation Phase-lock indicator circuit with phase-only detection
US5656977A (en) * 1996-01-05 1997-08-12 International Business Machines Corporation Frequency-lock indicator circuit with frequency-only detection
US6064273A (en) * 1998-06-04 2000-05-16 Adc Telecommunications Phase-locked loop having filter with wide and narrow bandwidth modes
DE10251695A1 (de) 2002-11-06 2004-05-27 Infineon Technologies Ag Stromquellenschaltung zur Erzeugung eines rauscharmen Stroms
US6894463B2 (en) * 2002-11-14 2005-05-17 Fyre Storm, Inc. Switching power converter controller configured to provide load shedding

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Publication number Priority date Publication date Assignee Title
US3909735A (en) * 1974-04-04 1975-09-30 Ncr Co Slow switch for bandwidth change in phase-locked loop
BE855466A (fr) * 1976-06-08 1977-10-03 Adams Brian Roger Agencements engendrant des signaux
GB2015277B (en) * 1977-11-30 1982-09-29 Plessey Co Ltd Frequency synthesizer
US4156855A (en) * 1978-01-26 1979-05-29 Rca Corporation Phase-locked loop with variable gain and bandwidth
NO790496L (no) * 1978-02-27 1979-08-28 Schlumberger Technology Corp Fremgangsmaate og apparat for demodulering av signaler i et system for logging under boring
GB1603616A (en) * 1978-05-24 1981-11-25 Gen Electric Co Ltd Electric oscillator circuit arrangements
DE2943510C2 (de) * 1979-10-27 1983-03-31 Rohde & Schwarz GmbH & Co KG, 8000 München Phasengeregelter Hochfrequenzoszillator
US4365211A (en) * 1980-10-31 1982-12-21 Westinghouse Electric Corp. Phase-locked loop with initialization loop
DE3135000A1 (de) * 1981-09-04 1983-05-26 Aeg Telefunken Nachrichten Regelverstaerker fuer einen phasenregelkreis
US4459559A (en) * 1981-11-30 1984-07-10 Rca Corporation Phase frequency detector using shift register
US4454604A (en) * 1982-04-02 1984-06-12 Motorola Inc. Virtual time base direct synchronizer and method therefor
US4745371A (en) * 1985-08-02 1988-05-17 Libera Developments Limited Phase-locked digital synthesizer
US4745372A (en) * 1985-10-17 1988-05-17 Matsushita Electric Industrial Co., Ltd. Phase-locked-loop circuit having a charge pump
DE8530144U1 (fr) * 1985-10-24 1987-12-23 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel, De
GB2183946A (en) * 1985-12-06 1987-06-10 Plessey Co Plc Frequency synthesiser
JPH0787362B2 (ja) * 1986-03-17 1995-09-20 日本電気株式会社 位相同期ル−プ
US4654859A (en) * 1986-04-09 1987-03-31 Racal Data Communications Inc. Frequency synthesizer for frequency hopping communication system
US4752749A (en) * 1986-12-22 1988-06-21 Rockwell International Corporation Fast response tuner
FR2624323B1 (fr) * 1987-12-03 1994-03-25 Institut Francais Petrole Dispositif pour asservir un signal, en frequence et en phase, a celle d'un signal impose

Also Published As

Publication number Publication date
MX166683B (es) 1993-01-27
AU4759090A (en) 1990-06-26
IE62092B1 (en) 1992-12-14
JPH02189028A (ja) 1990-07-25
JP2546725B2 (ja) 1996-10-23
CA1328301C (fr) 1994-04-05
DE68921852D1 (de) 1995-04-27
WO1990006629A1 (fr) 1990-06-14
DK176490D0 (da) 1990-07-24
ATE120317T1 (de) 1995-04-15
EP0371790A2 (fr) 1990-06-06
EP0371790A3 (en) 1990-08-22
IE893224L (en) 1990-05-30
DK176490A (da) 1990-07-24
US4885553A (en) 1989-12-05
EP0371790B1 (fr) 1995-03-22
DE68921852T2 (de) 1995-11-09
ES2069597T3 (es) 1995-05-16
AU617571B2 (en) 1991-11-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)