DE69018023D1 - Phasenverriegelschleife mit variabler Bandbreite. - Google Patents

Phasenverriegelschleife mit variabler Bandbreite.

Info

Publication number
DE69018023D1
DE69018023D1 DE69018023T DE69018023T DE69018023D1 DE 69018023 D1 DE69018023 D1 DE 69018023D1 DE 69018023 T DE69018023 T DE 69018023T DE 69018023 T DE69018023 T DE 69018023T DE 69018023 D1 DE69018023 D1 DE 69018023D1
Authority
DE
Germany
Prior art keywords
generating devices
current generating
bandwidth
variable bandwidth
phase lock
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69018023T
Other languages
English (en)
Other versions
DE69018023T2 (de
Inventor
Paul Wilkinson Dent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69018023D1 publication Critical patent/DE69018023D1/de
Application granted granted Critical
Publication of DE69018023T2 publication Critical patent/DE69018023T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H03L7/1075—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 loop filter, e.g. changing the gain, changing the bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/04—Modifications for maintaining constant the phase-locked loop damping factor when other loop parameters change
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Materials For Medical Uses (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Emergency Lowering Means (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
DE69018023T 1989-11-13 1990-10-17 Phasenverriegelschleife mit variabler Bandbreite. Expired - Lifetime DE69018023T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8903799A SE8903799D0 (sv) 1989-11-13 1989-11-13 Foerfarande och anordning foer att variera slingbandbredden hos en faslaast slinga

Publications (2)

Publication Number Publication Date
DE69018023D1 true DE69018023D1 (de) 1995-04-27
DE69018023T2 DE69018023T2 (de) 1995-07-20

Family

ID=20377454

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018023T Expired - Lifetime DE69018023T2 (de) 1989-11-13 1990-10-17 Phasenverriegelschleife mit variabler Bandbreite.

Country Status (16)

Country Link
US (1) US5095288A (de)
EP (1) EP0429421B1 (de)
JP (1) JP2987202B2 (de)
CN (1) CN1053334A (de)
AT (1) ATE120318T1 (de)
AU (1) AU633658B2 (de)
CA (1) CA2044257C (de)
DE (1) DE69018023T2 (de)
DK (1) DK0429421T3 (de)
ES (1) ES2073009T3 (de)
FI (1) FI105619B (de)
IE (1) IE904019A1 (de)
NO (1) NO177207C (de)
PT (1) PT95866A (de)
SE (1) SE8903799D0 (de)
WO (1) WO1991007823A1 (de)

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DE3912837A1 (de) * 1989-04-19 1990-10-25 Thomson Brandt Gmbh Regelschaltung
EP0840456A3 (de) * 1990-10-22 1999-08-25 NEC Corporation Frequenzsynthetisierer mit PLL, der einen Frequenzwechsel des Ausgangs mit hoher Geschwindigkeit ermöglicht
US5369376A (en) * 1991-11-29 1994-11-29 Standard Microsystems, Inc. Programmable phase locked loop circuit and method of programming same
US5315270A (en) * 1992-08-28 1994-05-24 At&T Bell Laboratories Phase-locked loop system with compensation for data-transition-dependent variations in loop gain
US5631920A (en) * 1993-11-29 1997-05-20 Lexmark International, Inc. Spread spectrum clock generator
US5488627A (en) * 1993-11-29 1996-01-30 Lexmark International, Inc. Spread spectrum clock generator and associated method
US5424689A (en) * 1993-12-22 1995-06-13 Motorola, Inc. Filtering device for use in a phase locked loop controller
US5708971A (en) * 1994-01-11 1998-01-13 Ericsson Inc. Two-way paging system and apparatus
US5563552A (en) * 1994-01-28 1996-10-08 International Business Machines Corporation System and method for calibrating damping factor of analog PLL
EP0684701B1 (de) * 1994-05-26 2005-01-12 Matsushita Electric Industrial Co., Ltd. Frequenzsynthesizer
US5513225A (en) * 1994-08-31 1996-04-30 International Business Machines Corporation Resistorless phase locked loop circuit employing direct current injection
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
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
US5592120A (en) * 1994-09-07 1997-01-07 Analog Devices, Inc. Charge pump system
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
US5659587A (en) * 1994-11-23 1997-08-19 Tektronix, Inc. Spread spectrum phase-locked loop clock generator with VCO driven by a symmetrical voltage ramp signal
JP2973858B2 (ja) * 1995-02-17 1999-11-08 日本電気株式会社 周波数分周回路
US6975582B1 (en) 1995-07-12 2005-12-13 Ericsson Inc. Dual mode satellite/cellular terminal
US5663957A (en) * 1995-07-12 1997-09-02 Ericsson Inc. Dual mode satellite/cellular terminal
US6546044B1 (en) 1996-10-11 2003-04-08 Ericsson Inc. Dual-mode radiotelephone apparatus for digital or analog modulation
US5960364A (en) * 1996-11-08 1999-09-28 Ericsson Inc. Satellite/cellular phone using different channel spacings on forward and return links
US5828255A (en) * 1996-11-15 1998-10-27 International Business Machines Corporation Phase locked loop having adaptive jitter reduction
US5834987A (en) * 1997-07-30 1998-11-10 Ercisson Inc. Frequency synthesizer systems and methods for three-point modulation with a DC response
US6236275B1 (en) 1997-10-24 2001-05-22 Ericsson Inc. Digital frequency synthesis by sequential fraction approximations
US6308048B1 (en) 1997-11-19 2001-10-23 Ericsson Inc. Simplified reference frequency distribution in a mobile phone
US6418174B1 (en) * 1999-02-19 2002-07-09 Rf Micro Devices, Inc. Frequency shift key modulator
US6091303A (en) * 1999-04-06 2000-07-18 Ericsson Inc. Method and apparatus for reducing oscillator noise by noise-feedforward
ATE446365T1 (de) 1999-11-18 2009-11-15 Novartis Vaccines & Diagnostic Menschliches fgf-21 gen und genexpressionsprodukte
EP2075255A1 (de) 2000-03-08 2009-07-01 Novartis Vaccines and Diagnostics, Inc. Menschliche FGF-23-Gene und Genexpressionsprodukte
US6741532B1 (en) 2000-10-27 2004-05-25 Cirrus Logic, Inc. Servo circuitry for counting tracks on an optical storage medium
US6580329B2 (en) * 2001-04-11 2003-06-17 Tropian, Inc. PLL bandwidth switching
US6946884B2 (en) 2002-04-25 2005-09-20 Agere Systems Inc. Fractional-N baseband frequency synthesizer in bluetooth applications
FR2845840B1 (fr) * 2002-10-14 2005-09-16 St Microelectronics Sa Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.
JP4220828B2 (ja) * 2003-04-25 2009-02-04 パナソニック株式会社 低域ろ波回路、フィードバックシステムおよび半導体集積回路
US7015735B2 (en) * 2003-12-19 2006-03-21 Renesas Technology Corp. Semiconductor integrated circuit having built-in PLL circuit
US7091759B2 (en) * 2004-06-01 2006-08-15 Skyworks Solutions, Inc. Loop filter integration in phase-locked loops
US7310021B2 (en) * 2005-12-29 2007-12-18 Intel Corporation Phase-locked loop with tunable-transfer function
US7633347B2 (en) * 2007-03-08 2009-12-15 02Micro International Limited Apparatus and method for operating a phase-locked loop circuit
CN103001629B (zh) * 2011-09-08 2015-10-14 上海华虹宏力半导体制造有限公司 自适应可变带宽锁相环
US9473157B2 (en) * 2014-07-24 2016-10-18 Mediatek Inc. Frequency synthesizer with injection pulling/pushing suppression/mitigation and related frequency synthesizing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167711A (en) * 1978-05-26 1979-09-11 Motorola, Inc. Phase detector output stage for phase locked loop
JPS58130631A (ja) * 1982-01-28 1983-08-04 Fujitsu Ltd フエイズロツクドル−プ
US4617711A (en) * 1983-09-26 1986-10-21 Mcminn William D Method and apparatus for repairing automatic transmissions
US4562411A (en) * 1983-12-29 1985-12-31 Rca Corporation Prepositioning circuit for phase lock loop

Also Published As

Publication number Publication date
ES2073009T3 (es) 1995-08-01
NO912566D0 (no) 1991-06-28
CA2044257A1 (en) 1991-05-14
JP2987202B2 (ja) 1999-12-06
NO177207C (no) 1995-08-02
NO912566L (no) 1991-06-28
PT95866A (pt) 1992-07-31
FI105619B (sv) 2000-09-15
JPH04503142A (ja) 1992-06-04
NO177207B (no) 1995-04-24
WO1991007823A1 (en) 1991-05-30
CA2044257C (en) 2000-05-16
EP0429421B1 (de) 1995-03-22
EP0429421A1 (de) 1991-05-29
DE69018023T2 (de) 1995-07-20
DK0429421T3 (da) 1995-07-24
AU633658B2 (en) 1993-02-04
CN1053334A (zh) 1991-07-24
SE8903799D0 (sv) 1989-11-13
US5095288A (en) 1992-03-10
ATE120318T1 (de) 1995-04-15
FI913331A0 (fi) 1991-07-09
IE904019A1 (en) 1991-05-22
AU6746590A (en) 1991-06-13

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