DK1025645T3 - Modificeret tredje ordens faselåst sløjfe - Google Patents

Modificeret tredje ordens faselåst sløjfe

Info

Publication number
DK1025645T3
DK1025645T3 DK98953757T DK98953757T DK1025645T3 DK 1025645 T3 DK1025645 T3 DK 1025645T3 DK 98953757 T DK98953757 T DK 98953757T DK 98953757 T DK98953757 T DK 98953757T DK 1025645 T3 DK1025645 T3 DK 1025645T3
Authority
DK
Denmark
Prior art keywords
integrator
loop filter
generates
pump
locked loop
Prior art date
Application number
DK98953757T
Other languages
English (en)
Inventor
James W Everitt
David S Nack
James Parker
Original Assignee
Level One Communications 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 Level One Communications Inc filed Critical Level One Communications Inc
Application granted granted Critical
Publication of DK1025645T3 publication Critical patent/DK1025645T3/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
    • H03L7/08—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
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in 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
    • H03L7/08—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
    • H03L7/0893—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 the up-down pulses controlling at least two source current generators or at least two sink current generators connected to different points in 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1072—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the charge pump, e.g. changing the gain

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DK98953757T 1997-10-21 1998-10-20 Modificeret tredje ordens faselåst sløjfe DK1025645T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/954,914 US6188739B1 (en) 1997-10-21 1997-10-21 Modified third order phase-locked loop
PCT/US1998/022138 WO1999021283A1 (en) 1997-10-21 1998-10-20 Modified third order phase-locked loop

Publications (1)

Publication Number Publication Date
DK1025645T3 true DK1025645T3 (da) 2002-04-02

Family

ID=25496106

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98953757T DK1025645T3 (da) 1997-10-21 1998-10-20 Modificeret tredje ordens faselåst sløjfe

Country Status (9)

Country Link
US (1) US6188739B1 (da)
EP (1) EP1025645B1 (da)
AT (1) ATE211325T1 (da)
AU (1) AU1104399A (da)
DE (1) DE69803091T2 (da)
DK (1) DK1025645T3 (da)
ES (1) ES2169931T3 (da)
PT (1) PT1025645E (da)
WO (1) WO1999021283A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100281972B1 (ko) * 1997-12-23 2001-02-15 김진찬 고정도디지털처리위상동기루프장치및방법
US6389092B1 (en) * 1999-08-11 2002-05-14 Newport Communications, Inc. Stable phase locked loop having separated pole
US6526113B1 (en) * 1999-08-11 2003-02-25 Broadcom Corporation GM cell based control loops
US6993106B1 (en) 1999-08-11 2006-01-31 Broadcom Corporation Fast acquisition phase locked loop using a current DAC
US6292061B1 (en) * 2000-05-01 2001-09-18 Sandcraft, Inc. Low-voltage CMOS phase-locked loop (PLL) for high-performance microprocessor clock generation
US6642799B2 (en) * 2000-11-01 2003-11-04 Primarian, Inc. Phase lock loop destress circuit
US7123065B1 (en) * 2003-06-27 2006-10-17 Cypress Semiconductor Corp. Method of improving lock acquisition times in systems with a narrow frequency range
US10056911B2 (en) * 2015-12-21 2018-08-21 Texas Instruments Incorporated Continuous coarse-tuned phase locked loop

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740671A (en) 1972-04-06 1973-06-19 Nasa Filter for third-order phase-locked loops
US5034748A (en) 1973-12-03 1991-07-23 The United States Of America As Represented By The Secretary Of The Navy Narrow band automatic phase control tracking circuitry
US4129748A (en) 1975-09-10 1978-12-12 Idr, Inc. Phase locked loop for providing continuous clock phase correction
JPH0752838B2 (ja) 1985-03-20 1995-06-05 株式会社日立製作所 集積回路
JPS6315530A (ja) 1986-07-08 1988-01-22 Sumitomo Electric Ind Ltd デイジタル位相同期ル−プ
US4712223A (en) 1986-10-09 1987-12-08 Rockwell International Corporation Linear all-digital phase locked loop
US4733197A (en) 1987-02-19 1988-03-22 Northern Telecom Limited Extended range phaselocked loop
NL8702424A (nl) 1987-10-12 1989-05-01 Philips Nv Oscillatorschakeling met een faseregellus.
US4855683A (en) 1987-11-18 1989-08-08 Bell Communications Research, Inc. Digital phase locked loop with bounded jitter
JPH01296733A (ja) 1988-05-25 1989-11-30 Toshiba Corp ディジタル形位相同期回路
US5008637A (en) 1989-11-15 1991-04-16 Level One Communications, Inc. Fully integrated charge pump phase locked loop
US5057794A (en) 1991-02-26 1991-10-15 Level One Communications, Inc. Phase-locked loop with pattern controlled bandwidth circuit
GB9415185D0 (en) 1994-07-28 1994-09-21 Thomson Consumer Electronics Fast acting control system

Also Published As

Publication number Publication date
ES2169931T3 (es) 2002-07-16
WO1999021283A1 (en) 1999-04-29
US6188739B1 (en) 2001-02-13
EP1025645A1 (en) 2000-08-09
PT1025645E (pt) 2002-06-28
ATE211325T1 (de) 2002-01-15
DE69803091D1 (de) 2002-01-31
EP1025645B1 (en) 2001-12-19
DE69803091T2 (de) 2002-08-22
AU1104399A (en) 1999-05-10

Similar Documents

Publication Publication Date Title
CA2019778C (en) Charge pump circuit
WO2005002069A3 (en) Fast lock phase lock loop and method thereof
WO2002060062A8 (en) Phase-locked loop with conditioned charge pump output
KR20010041772A (ko) 위상 검출기
JP2003299347A (ja) Ｐｗｍスイッチングレギュレータ制御回路、ｐｗｍスイッチングレギュレータ及び電子機器
DK1025645T3 (da) Modificeret tredje ordens faselåst sløjfe
ATE388541T1 (de) Fraktional-n-frequenzsynthesizer mit fraktional- kompensationsverfahren
AU1094199A (en) Phase-locked loop and method for automatically locking to a variable input frequency
TW346706B (en) Phase-locked loop device
JP2003133949A5 (da)
AU2003283779A8 (en) Circuit arrangement for operating a high pressure discharge lamp
NO914419L (no) Automatisk stroemstyrekrets
DE60305697D1 (de) Pll-schaltung
US6278304B1 (en) Look-ahead enabling charge pump in phase-locked loop circuits
DE60100896D1 (de) Phasenregelschleife mit gebrochenem teilverhältnis
TW331055B (en) Phase locked loop having DC level capture circuit
TW362277B (en) Charge pump for a semiconductor substrate
JPS6010794A (ja) 半導体レ−ザ駆動回路
JP2837593B2 (ja) 位相ロックループ回路
KR960036335A (ko) 클램프회로를 이용한 위상검출기
KR100680476B1 (ko) 차동 주파수 전류 변환기를 구비한 위상고정루프
WO2003088462A3 (en) Dc-to-dc converter providing stable operation
JPS6399611A (ja) のこぎり波発生回路
TW274163B (en) A phase locked loop timing generator
JPS56166606A (en) Constant-amplitude oscillator