CN1135684A - 数字锁相环中计算分频比的方法和装置 - Google Patents
数字锁相环中计算分频比的方法和装置 Download PDFInfo
- Publication number
- CN1135684A CN1135684A CN96103913A CN96103913A CN1135684A CN 1135684 A CN1135684 A CN 1135684A CN 96103913 A CN96103913 A CN 96103913A CN 96103913 A CN96103913 A CN 96103913A CN 1135684 A CN1135684 A CN 1135684A
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- China
- Prior art keywords
- error signal
- divisor
- comparator
- feedback
- wide threshold
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims description 32
- 230000010355 oscillation Effects 0.000 claims abstract description 36
- 230000000052 comparative effect Effects 0.000 claims description 30
- 230000002349 favourable effect Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
-
- 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
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
-
- 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
-
- 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
- H03L7/1972—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 for reducing the locking time interval
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S331/00—Oscillators
- Y10S331/02—Phase locked loop having lock indicating or detecting means
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/399,006 US5486792A (en) | 1995-03-06 | 1995-03-06 | Method and apparatus for calculating a divider in a digital phase lock loop |
US399,006 | 1995-03-06 | ||
US399006 | 1995-03-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1135684A true CN1135684A (zh) | 1996-11-13 |
CN1068741C CN1068741C (zh) | 2001-07-18 |
Family
ID=23577724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96103913A Expired - Fee Related CN1068741C (zh) | 1995-03-06 | 1996-03-05 | 数字锁相环中计算分频比的方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5486792A (zh) |
EP (1) | EP0731564A3 (zh) |
JP (1) | JP3850063B2 (zh) |
KR (1) | KR100396926B1 (zh) |
CN (1) | CN1068741C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1318212C (zh) * | 2004-07-30 | 2007-05-30 | 深圳市东方宇之光电子科技有限公司 | 用于激光照排机中校正图像几何误差的方法及装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2891149B2 (ja) * | 1995-11-20 | 1999-05-17 | 日本電気株式会社 | 位相制御ループ方式 |
JP2924765B2 (ja) * | 1996-02-29 | 1999-07-26 | 日本電気株式会社 | ディジタルサンプリング型位相同期回路 |
US5663992A (en) * | 1996-03-14 | 1997-09-02 | Trimble Navigation Limited | Method and apparatus for correction of GPS carrier phase measurement |
US5907253A (en) * | 1997-11-24 | 1999-05-25 | National Semiconductor Corporation | Fractional-N phase-lock loop with delay line loop having self-calibrating fractional delay element |
US6125158A (en) * | 1997-12-23 | 2000-09-26 | Nortel Networks Corporation | Phase locked loop and multi-stage phase comparator |
US6566967B1 (en) * | 2002-02-26 | 2003-05-20 | Applied Micro Circuits Corporation | Configurable triple phase-locked loop circuit and method |
US8284886B2 (en) * | 2003-01-17 | 2012-10-09 | Texas Instruments Incorporated | Radio frequency built-in self test for quality monitoring of local oscillator and transmitter |
US6803827B1 (en) * | 2003-04-09 | 2004-10-12 | Analog Devices, Inc. | Frequency acquisition system |
JP2007521698A (ja) * | 2003-11-04 | 2007-08-02 | トムソン ライセンシング | スプレッドスペクトルシステムのためのインテリジェントコードトラッキング |
GB2409383B (en) | 2003-12-17 | 2006-06-21 | Wolfson Ltd | Clock synchroniser |
US7053719B2 (en) * | 2004-03-11 | 2006-05-30 | Agilent Technologies, Inc. | Controlling a voltage controlled oscillator in a bang-bang phase locked loop |
DE102004030841A1 (de) * | 2004-06-25 | 2006-01-26 | Siemens Ag | Verringerung der Einschwingzeit und Kompensation von Phasenfeldern von auf Phasenregelkreisen basierenden Frequenzsynthesizern |
US7583152B2 (en) * | 2008-01-04 | 2009-09-01 | Qualcomm Incorporated | Phase-locked loop with self-correcting phase-to-digital transfer function |
JP5463246B2 (ja) * | 2010-09-01 | 2014-04-09 | 株式会社日立製作所 | 位相同期回路、cdr回路及び受信回路 |
CN103404031B (zh) * | 2010-12-01 | 2016-01-20 | 爱立信(中国)通信有限公司 | 锁相环控制电压确定 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07120942B2 (ja) * | 1985-11-27 | 1995-12-20 | 株式会社日立製作所 | Pll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 |
US4827225A (en) * | 1988-06-13 | 1989-05-02 | Unisys Corporation | Fast locking phase-locked loop utilizing frequency estimation |
US5371480A (en) * | 1992-12-04 | 1994-12-06 | Telefonaktiebolaget L M Ericsson | Step controlled signal generator |
JP3033654B2 (ja) * | 1993-08-23 | 2000-04-17 | 日本電気株式会社 | Pll周波数シンセサイザ |
-
1995
- 1995-03-06 US US08/399,006 patent/US5486792A/en not_active Expired - Lifetime
-
1996
- 1996-02-29 EP EP96103054A patent/EP0731564A3/en not_active Withdrawn
- 1996-03-04 JP JP07329796A patent/JP3850063B2/ja not_active Expired - Fee Related
- 1996-03-05 CN CN96103913A patent/CN1068741C/zh not_active Expired - Fee Related
- 1996-03-06 KR KR1019960005749A patent/KR100396926B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1318212C (zh) * | 2004-07-30 | 2007-05-30 | 深圳市东方宇之光电子科技有限公司 | 用于激光照排机中校正图像几何误差的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1068741C (zh) | 2001-07-18 |
JPH08265140A (ja) | 1996-10-11 |
JP3850063B2 (ja) | 2006-11-29 |
US5486792A (en) | 1996-01-23 |
EP0731564A2 (en) | 1996-09-11 |
KR100396926B1 (ko) | 2003-11-17 |
KR960036402A (ko) | 1996-10-28 |
EP0731564A3 (en) | 1996-12-04 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: FREEDOM SEMICONDUCTORS CO. Free format text: FORMER OWNER: MOTOROLA, INC. Effective date: 20040813 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040813 Address after: Texas in the United States Patentee after: FreeScale Semiconductor Address before: Illinois USA Patentee before: Motorola, Inc. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010718 Termination date: 20120305 |