TW205610B - - Google Patents

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Publication number
TW205610B
TW205610B TW080108290A TW80108290A TW205610B TW 205610 B TW205610 B TW 205610B TW 080108290 A TW080108290 A TW 080108290A TW 80108290 A TW80108290 A TW 80108290A TW 205610 B TW205610 B TW 205610B
Authority
TW
Taiwan
Prior art keywords
phase
charge pump
current
amount
locked loop
Prior art date
Application number
TW080108290A
Other languages
English (en)
Chinese (zh)
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Application granted granted Critical
Publication of TW205610B publication Critical patent/TW205610B/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
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • 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
    • 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
    • H03L7/0898—Details of the current generators the source or sink current values being variable
    • 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)
TW080108290A 1991-08-21 1991-10-21 TW205610B (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/748,136 US5208546A (en) 1991-08-21 1991-08-21 Adaptive charge pump for phase-locked loops

Publications (1)

Publication Number Publication Date
TW205610B true TW205610B (enExample) 1993-05-11

Family

ID=25008180

Family Applications (1)

Application Number Title Priority Date Filing Date
TW080108290A TW205610B (enExample) 1991-08-21 1991-10-21

Country Status (3)

Country Link
US (1) US5208546A (enExample)
EP (1) EP0528651A3 (enExample)
TW (1) TW205610B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415394B (zh) * 2010-04-13 2013-11-11 Elite Semiconductor Esmt 鎖相迴路電路及其操作方法

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US5448598A (en) * 1993-07-06 1995-09-05 Standard Microsystems Corporation Analog PLL clock recovery circuit and a LAN transceiver employing the same
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JP2682401B2 (ja) * 1993-10-28 1997-11-26 日本電気株式会社 クロック信号発生回路
DE4342344C2 (de) * 1993-12-11 1996-07-25 Telefunken Microelectron Schaltungsanordnung für eine Phasenregelschleife
US5703539A (en) * 1993-12-17 1997-12-30 Motorola, Inc. Apparatus and method for controlling the loop bandwidth of a phase locked loop
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US5646563A (en) * 1994-07-15 1997-07-08 National Semiconductor Corporation Charge pump with near zero offset current
US5513225A (en) * 1994-08-31 1996-04-30 International Business Machines Corporation Resistorless phase locked loop circuit employing direct current injection
US5491439A (en) * 1994-08-31 1996-02-13 International Business Machines Corporation Method and apparatus for reducing jitter in a phase locked loop circuit
US5619161A (en) * 1994-08-31 1997-04-08 International Business Machines Corporation Diffrential charge pump with integrated common mode control
US5495207A (en) * 1994-08-31 1996-02-27 International Business Machines Corporation Differential current controlled oscillator with variable load
US5525932A (en) * 1994-08-31 1996-06-11 International Business Machines Corporation Lock indicator for phase locked loop circuit
US5646564A (en) * 1994-09-02 1997-07-08 Xilinx, Inc. Phase-locked delay loop for clock correction
US5815016A (en) * 1994-09-02 1998-09-29 Xilinx, Inc. Phase-locked delay loop for clock correction
US5479458A (en) * 1994-10-05 1995-12-26 Tanaka; Yoshiaki Digital phase shifter including 1/N for phase detect and subsequent VCO adjust
US5805002A (en) * 1995-01-24 1998-09-08 Ic Works, Inc. Slow transition time phase frequency detector and method
DE19515218A1 (de) * 1995-04-28 1996-10-31 Thomson Brandt Gmbh Verfahren zur Abstimmung einer Oszillatoreinrichtung für wenigstens zwei Abstimmfrequenzen sowie Schaltungsanordnung zur Durchführung des Verfahrens
JP3338748B2 (ja) * 1996-01-30 2002-10-28 日本電気株式会社 Ｐｌｌ周波数シンセサイザ
US5694062A (en) * 1996-02-02 1997-12-02 Lsi Logic Corporation Self-timed phase detector and method
JP2877196B2 (ja) * 1996-03-28 1999-03-31 日本電気株式会社 チャージポンプ回路およびそれを備えた位相同期回路
JP3395818B2 (ja) * 1996-04-19 2003-04-14 ソニー株式会社 Ｐｌｌ回路とそれを用いた信号処理装置
JP3481051B2 (ja) * 1996-06-19 2003-12-22 富士通株式会社 チャージポンプ回路、および、該チャージポンプ回路を有するｐｌｌ回路並びに半導体集積回路
US5663689A (en) * 1996-06-26 1997-09-02 International Business Machines Corporation Method and apparatus for providing a high speed charge pump with low static error
TW363305B (en) * 1996-09-06 1999-07-01 Koninkl Philips Electronics Nv A receiver, a frequency synthesis circuit and a charge pump
KR100224577B1 (ko) * 1996-10-07 1999-10-15 윤종용 위상동기루프의 록 검출장치
US5831484A (en) * 1997-03-18 1998-11-03 International Business Machines Corporation Differential charge pump for phase locked loop circuits
WO2000002317A1 (en) * 1998-07-01 2000-01-13 Conexant Systems, Inc. Method and apparatus for adjusting phase offset in a phase locked loop
US6002273A (en) * 1998-10-05 1999-12-14 Motorola, Inc. Linear low noise phase-frequency detector
US6327319B1 (en) 1998-11-06 2001-12-04 Motorola, Inc. Phase detector with frequency steering
DE19935905A1 (de) * 1999-07-30 2001-02-08 Motorola Inc Elektrisches Filter mit Kondensator und Steuereinheit sowie Verfahren zum Betreiben des Filters
JP2001292060A (ja) * 2000-04-07 2001-10-19 Nec Corp 位相比較装置および位相比較方法
JP4771572B2 (ja) * 2000-04-10 2011-09-14 富士通セミコンダクター株式会社 Ｐｌｌ半導体装置並びにその試験の方法及び装置
EP1292032A4 (en) * 2000-06-05 2003-08-20 Mitsubishi Electric Corp SYNCHRONOUS DEVICE
US6456165B1 (en) 2000-08-18 2002-09-24 International Business Machines Corporation Phase error control for phase-locked loops
DE60041546D1 (de) * 2000-12-28 2009-03-26 Renesas Tech Corp PLL-Schaltung mit reduzierter Einschwingzeit
US7062004B1 (en) * 2001-06-06 2006-06-13 Silicon Image, Inc. Method and apparatus for adaptive control of PLL loop bandwidth
US6657917B2 (en) * 2001-07-02 2003-12-02 Micron Technology, Inc. Selective adjustment of voltage controlled oscillator gain in a phase-locked loop
US6614318B1 (en) * 2001-11-05 2003-09-02 Xilinx, Inc. Voltage controlled oscillator with jitter correction
DE10303939B3 (de) * 2003-01-31 2004-05-13 Infineon Technologies Ag Schaltungsanordnung mit Phasendetektor und Phasenregelschleife mit der Schaltungsanordnung
WO2004075414A1 (en) * 2003-02-14 2004-09-02 Mcdonald James J Iii Circuitry to reduce pll lock acquisition time
US6806742B1 (en) * 2003-05-23 2004-10-19 Standard Microsystems Corporation Phase detector for low power applications
DE102004031913A1 (de) * 2004-06-21 2006-01-05 Atmel Germany Gmbh Ladungspumpe einer Phasenregelschleife mit umschaltbarer Systembandbreite und Verfahren zur Steuerung einer solchen Ladungspumpe
CN1741389B (zh) * 2004-08-26 2014-06-11 瑞昱半导体股份有限公司 具有非线性相位误差反应特性的锁相环
JP2008078995A (ja) * 2006-09-21 2008-04-03 Nec Electronics Corp 移相回路
US7570105B1 (en) * 2007-10-04 2009-08-04 Altera Corporation Variable current charge pump with modular switch circuit
GB0804342D0 (en) * 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Charge transfer in a phase-locked loop
TWI427933B (zh) * 2011-03-18 2014-02-21 Realtek Semiconductor Corp 鎖相迴路及其方法
WO2016109923A1 (en) * 2015-01-05 2016-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and radio network node for compensation for local oscillator pulling or pushing
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415394B (zh) * 2010-04-13 2013-11-11 Elite Semiconductor Esmt 鎖相迴路電路及其操作方法

Also Published As

Publication number Publication date
EP0528651A2 (en) 1993-02-24
EP0528651A3 (en) 1993-09-15
US5208546A (en) 1993-05-04

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