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TW346706B - Phase-locked loop device - Google Patents

Phase-locked loop device

Info

Publication number
TW346706B
TW346706B TW086105704A TW86105704A TW346706B TW 346706 B TW346706 B TW 346706B TW 086105704 A TW086105704 A TW 086105704A TW 86105704 A TW86105704 A TW 86105704A TW 346706 B TW346706 B TW 346706B
Authority
TW
Taiwan
Prior art keywords
phase comparator
phase
pulse
locked loop
loop device
Prior art date
Application number
TW086105704A
Other languages
English (en)
Inventor
Hidenori Konno
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of TW346706B publication Critical patent/TW346706B/zh

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
    • H03L7/08—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
    • 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
    • H03L7/0895—Details of the current generators
    • 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
    • H03L7/0802—Details of the phase-locked loop the loop being adapted for reducing power consumption
    • 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • 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
    • H03L7/199—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 with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
TW086105704A 1997-02-05 1997-04-30 Phase-locked loop device TW346706B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9022760A JPH10224212A (ja) 1997-02-05 1997-02-05 フェイズロックループ回路

Publications (1)

Publication Number Publication Date
TW346706B true TW346706B (en) 1998-12-01

Family

ID=12091646

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086105704A TW346706B (en) 1997-02-05 1997-04-30 Phase-locked loop device

Country Status (6)

Country Link
US (1) US5933031A (zh)
JP (1) JPH10224212A (zh)
KR (1) KR19980069826A (zh)
CN (1) CN1190291A (zh)
DE (1) DE19738556A1 (zh)
TW (1) TW346706B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3515382B2 (ja) * 1997-09-30 2004-04-05 株式会社東芝 チャージポンプ
US6072337A (en) 1998-12-18 2000-06-06 Cypress Semiconductor Corp. Phase detector
US6777995B1 (en) * 1999-02-26 2004-08-17 Micron Technology, Inc. Interlaced delay-locked loops for controlling memory-circuit timing
US6304147B1 (en) 2000-03-27 2001-10-16 Koninklijke Philips Electronics N.V. Method and circuit for reduced power consumption in a charge pump circuit
US6590427B2 (en) * 2001-01-03 2003-07-08 Seagate Technology Llc Phase frequency detector circuit having reduced dead band
US6466100B2 (en) 2001-01-08 2002-10-15 International Business Machines Corporation Linear voltage controlled oscillator transconductor with gain compensation
KR100502675B1 (ko) * 2001-12-12 2005-07-22 주식회사 하이닉스반도체 레지스터 제어형 지연고정루프회로
TW516439U (en) * 2001-12-13 2003-01-01 Jian-Wei Jung Liquid flow controlling device capable of housing needle
US7439816B1 (en) 2005-09-28 2008-10-21 Cypress Semiconductor Corporation Phase-locked loop fast lock circuit and method
US20070153949A1 (en) * 2005-12-29 2007-07-05 Mediatek Incorporation PLL apparatus with power saving mode and method for implementing the same
US7728675B1 (en) 2006-03-31 2010-06-01 Cypress Semiconductor Corporation Fast lock circuit for a phase lock loop
US7573342B2 (en) 2007-07-20 2009-08-11 Infineon Technologies Ag VCO pre-compensation
US8791732B2 (en) * 2011-05-09 2014-07-29 Mediatek Inc. Phase locked loop
US8536915B1 (en) * 2012-07-02 2013-09-17 Qualcomm Incorporated Low-noise and low-reference spur frequency multiplying delay lock-loop

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63240215A (ja) * 1987-03-27 1988-10-05 Mitsubishi Electric Corp Ｐｌｌ回路
US5159205A (en) * 1990-10-24 1992-10-27 Burr-Brown Corporation Timing generator circuit including adjustable tapped delay line within phase lock loop to control timing of signals in the tapped delay line
KR100303703B1 (ko) * 1993-03-10 2001-11-22 클라크 3세 존 엠. 자기조정한계를지니는데이타신호비교기
US5359297A (en) * 1993-10-28 1994-10-25 Motorola, Inc. VCO power-up circuit for PLL and method thereof
US5465075A (en) * 1994-01-03 1995-11-07 Texas Instruments Incorporated Phase-locked loop circuit with minimum output jitter and maximum frequency stability
US5523723A (en) * 1995-05-17 1996-06-04 Vlsi Technology, Inc. Low noise low voltage phase lock loop

Also Published As

Publication number Publication date
CN1190291A (zh) 1998-08-12
JPH10224212A (ja) 1998-08-21
DE19738556A1 (de) 1998-08-06
KR19980069826A (ko) 1998-10-26
US5933031A (en) 1999-08-03

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