NO300990B1 - Signalgenerator for signal med selekterbar frekvens, samt fremgangsmåte - Google Patents

Signalgenerator for signal med selekterbar frekvens, samt fremgangsmåte Download PDF

Info

Publication number
NO300990B1
NO300990B1 NO920639A NO920639A NO300990B1 NO 300990 B1 NO300990 B1 NO 300990B1 NO 920639 A NO920639 A NO 920639A NO 920639 A NO920639 A NO 920639A NO 300990 B1 NO300990 B1 NO 300990B1
Authority
NO
Norway
Prior art keywords
frequency
signal
phase
value
dividing
Prior art date
Application number
NO920639A
Other languages
English (en)
Norwegian (no)
Other versions
NO920639D0 (no
NO920639L (no
Inventor
Peter Magnus Petersson
Krister Ingemar Ripstrand
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO920639D0 publication Critical patent/NO920639D0/no
Publication of NO920639L publication Critical patent/NO920639L/no
Publication of NO300990B1 publication Critical patent/NO300990B1/no

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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NO920639A 1991-02-20 1992-02-18 Signalgenerator for signal med selekterbar frekvens, samt fremgangsmåte NO300990B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/658,038 US5140284A (en) 1991-02-20 1991-02-20 Broad band frequency synthesizer for quick frequency retuning

Publications (3)

Publication Number Publication Date
NO920639D0 NO920639D0 (no) 1992-02-18
NO920639L NO920639L (no) 1992-08-21
NO300990B1 true NO300990B1 (no) 1997-08-25

Family

ID=24639660

Family Applications (1)

Application Number Title Priority Date Filing Date
NO920639A NO300990B1 (no) 1991-02-20 1992-02-18 Signalgenerator for signal med selekterbar frekvens, samt fremgangsmåte

Country Status (5)

Country Link
US (1) US5140284A (fi)
EP (1) EP0500516B1 (fi)
EG (1) EG19498A (fi)
FI (1) FI107480B (fi)
NO (1) NO300990B1 (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89432C (fi) * 1991-06-26 1993-09-27 Nokia Mobile Phones Ltd Genering av en klockfrekvens i ett smart card graenssnitt
FR2681994B1 (fr) * 1991-09-26 1994-09-30 Alcatel Telspace Dispositif de transmission numerique comportant un recepteur a demodulation coherente realisee directement en hyperfrequence.
JP3241079B2 (ja) * 1992-02-24 2001-12-25 株式会社日立製作所 ディジタル位相同期回路
US5371480A (en) * 1992-12-04 1994-12-06 Telefonaktiebolaget L M Ericsson Step controlled signal generator
FI95520C (fi) * 1992-12-29 1996-02-12 Nokia Telecommunications Oy Menetelmä signaalin vaiheen lukitsemiseksi adaptoituvasti referenssisignaalin vaiheeseen ja referenssisignaalin taajuuteen adaptoituva vaihelukko
US5585754A (en) * 1993-04-02 1996-12-17 Nec Corporation Integrated digital circuit
DE4324527A1 (de) * 1993-07-21 1995-01-26 Siemens Ag Anordnung zur Frequenzaufbereitung für zwei Frequenzbänder
CA2130871C (en) * 1993-11-05 1999-09-28 John M. Alder Method and apparatus for a phase-locked loop circuit with holdover mode
US5457428A (en) * 1993-12-09 1995-10-10 At&T Corp. Method and apparatus for the reduction of time interval error in a phase locked loop circuit
JP3256422B2 (ja) * 1995-10-23 2002-02-12 日本電気株式会社 周波数シンセサイザ
US5703537A (en) * 1996-07-03 1997-12-30 Microclock Incorporated Phase-locked loop clock circuit for generation of audio sampling clock signals from video reference signals
US6417703B1 (en) * 1996-09-25 2002-07-09 Anritsu Company Frequency synthesizer using a ratio sum topology
EP0903860A1 (en) * 1997-09-17 1999-03-24 Matsushita Electric Industrial Co., Ltd. PLL frequency synthesizer
US6154508A (en) * 1998-03-23 2000-11-28 Vlsi Technology, Inc. Method and system for rapidly achieving synchronization between digital communications systems
US6084448A (en) * 1998-06-17 2000-07-04 Ericsson Inc. Adaptive divider control for a phase lock loop circuit
US6140882A (en) * 1998-11-23 2000-10-31 Tropian, Inc. Phase lock loop enabling smooth loop bandwidth switching
NZ338098A (en) * 1999-09-29 2001-06-29 Tait Electronics Ltd Frequency synthesizer with phase locked loop (PLL) with two frequency dividers
TW496975B (en) * 2001-03-02 2002-08-01 Ind Tech Res Inst Planar lightwave circuit interleaver
JP3928519B2 (ja) * 2002-08-21 2007-06-13 ソニー株式会社 ディジタル信号伝送システムおよび方法、並びに受信装置および方法
JP4546716B2 (ja) * 2003-11-10 2010-09-15 シャープ株式会社 Ｐｌｌクロック信号生成回路
US7242230B2 (en) * 2004-02-25 2007-07-10 Analog Devices, Inc. Microprocessor with power saving clock
US7747237B2 (en) * 2004-04-09 2010-06-29 Skyworks Solutions, Inc. High agility frequency synthesizer phase-locked loop
KR100940622B1 (ko) * 2007-06-25 2010-02-05 주식회사 동부하이텍 주파수 합성기
US20100150288A1 (en) * 2008-12-17 2010-06-17 Miao Zhu Synchronization of Low Noise Local Oscillator using Network Connection
KR101297413B1 (ko) * 2012-02-24 2013-08-19 고려대학교 산학협력단 적응형 클럭 생성 장치 및 방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107612A (en) * 1976-05-05 1978-08-15 Frederick Electronics Corporation Phase locked loop exciter generator for high frequency transmitter
US4034310A (en) * 1977-01-05 1977-07-05 Coe Thomas F Phase-locked loop oscillator
JPS53130911A (en) * 1977-04-20 1978-11-15 Matsushita Electric Ind Co Ltd Pll synthesizer
GB2024546B (en) * 1978-05-26 1982-12-22 Racal Group Services Ltd Frequency synthesisers
DD140826A1 (de) * 1978-12-15 1980-03-26 Uwe Buehn Frequenzsyntheseanordnung
FR2510287B1 (fr) * 1981-07-24 1985-01-04 Thomson Csf Synthetiseur de frequence a large bande relative
US4528521A (en) * 1984-02-09 1985-07-09 At&T Information Systems Inc. Precision control frequency synthesizer having an unstable, variable frequency input signal
US4668922A (en) * 1985-07-17 1987-05-26 Hughes Aircraft Company Fast phase-lock frequency synthesizer
CA1282464C (en) * 1985-10-23 1991-04-02 Masanori Ienaka Phase-locked oscillator
JPS63238714A (ja) * 1986-11-26 1988-10-04 Hitachi Ltd クロック供給システム
EP0278140A1 (en) * 1987-02-12 1988-08-17 Hewlett-Packard Limited Clock signal generation
US4868513A (en) * 1987-09-11 1989-09-19 Amdahl Corporation Phase-locked loop with redundant reference input
US4926141A (en) * 1989-05-01 1990-05-15 Motorola, Inc. Frequency synthesizer with improved automatic control of loop bandwidth selection
US4901033A (en) * 1989-05-01 1990-02-13 Motorola, Inc. Frequency synthesizer with dynamically programmable frequency range of selected loop bandwith

Also Published As

Publication number Publication date
FI920715A0 (fi) 1992-02-19
NO920639D0 (no) 1992-02-18
EP0500516A3 (en) 1993-04-21
US5140284A (en) 1992-08-18
EP0500516A2 (en) 1992-08-26
EG19498A (en) 1995-09-30
FI920715A (fi) 1992-08-21
FI107480B (fi) 2001-08-15
EP0500516B1 (en) 1999-10-06
NO920639L (no) 1992-08-21

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Free format text: LAPSED IN AUGUST 2002