CN1213537C - 有在参考信号的中心检测相位误差的电路的同步电路 - Google Patents
有在参考信号的中心检测相位误差的电路的同步电路 Download PDFInfo
- Publication number
- CN1213537C CN1213537C CNB981226809A CN98122680A CN1213537C CN 1213537 C CN1213537 C CN 1213537C CN B981226809 A CNB981226809 A CN B981226809A CN 98122680 A CN98122680 A CN 98122680A CN 1213537 C CN1213537 C CN 1213537C
- Authority
- CN
- China
- Prior art keywords
- signal
- reference signal
- value
- edge
- phase error
- 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 - Fee Related
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 36
- 230000004044 response Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 abstract description 25
- 238000001914 filtration Methods 0.000 description 9
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- 230000008859 change Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
- H03L7/099—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
- H03L7/0994—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 an accumulator
-
- 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
- H03L7/091—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 using a sampling device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronizing For Television (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP318235/97 | 1997-11-19 | ||
JP09318235A JP3094976B2 (ja) | 1997-11-19 | 1997-11-19 | 同期回路 |
JP318235/1997 | 1997-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1218332A CN1218332A (zh) | 1999-06-02 |
CN1213537C true CN1213537C (zh) | 2005-08-03 |
Family
ID=18096945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981226809A Expired - Fee Related CN1213537C (zh) | 1997-11-19 | 1998-11-19 | 有在参考信号的中心检测相位误差的电路的同步电路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6304118B1 (zh) |
JP (1) | JP3094976B2 (zh) |
KR (1) | KR100307881B1 (zh) |
CN (1) | CN1213537C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6389548B1 (en) * | 1999-04-12 | 2002-05-14 | Liam Bowles | Pulse run-length measurement for HF data signal by dividing accumulated phase difference between first and second zero-crossings by single-cycle range using multiple cycle range sawtooth waveform |
JP3404369B2 (ja) * | 2000-09-26 | 2003-05-06 | エヌイーシーマイクロシステム株式会社 | Dll回路 |
KR20020078344A (ko) * | 2001-04-09 | 2002-10-18 | 엘지전자 주식회사 | 동기 신호 추출 회로 |
EP1459447B1 (en) * | 2001-11-30 | 2006-03-08 | Koninklijke Philips Electronics N.V. | Bit-detection arrangement and apparatus for reproducing information |
US8306176B2 (en) * | 2002-06-19 | 2012-11-06 | Texas Instruments Incorporated | Fine-grained gear-shifting of a digital phase-locked loop (PLL) |
US7990224B2 (en) * | 2007-04-27 | 2011-08-02 | Atmel Corporation | Dual reference phase tracking phase-locked loop |
EP3217558B1 (en) * | 2016-03-11 | 2020-05-13 | Socionext Inc. | Timing-difference measurement |
CN107196652B (zh) * | 2017-05-23 | 2020-11-13 | 深圳智微电子科技有限公司 | 一种基于脉冲中心的同步锁相方法 |
US10581421B2 (en) * | 2017-11-06 | 2020-03-03 | Qorvo Us, Inc. | Phase detector |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4802009A (en) * | 1987-07-13 | 1989-01-31 | Rca Licensing Corporation | Digitally controlled phase locked loop system |
DE69204144T2 (de) * | 1991-11-25 | 1996-03-21 | Philips Electronics Nv | Phasenregelschleife mit Frequenzabweichungsdetektor und Decodierschaltung mit einer solchen Phasenregelschleife. |
US5727038A (en) * | 1996-09-06 | 1998-03-10 | Motorola, Inc. | Phase locked loop using digital loop filter and digitally controlled oscillator |
-
1997
- 1997-11-19 JP JP09318235A patent/JP3094976B2/ja not_active Expired - Fee Related
-
1998
- 1998-11-16 US US09/192,920 patent/US6304118B1/en not_active Expired - Fee Related
- 1998-11-19 KR KR1019980049752A patent/KR100307881B1/ko not_active IP Right Cessation
- 1998-11-19 CN CNB981226809A patent/CN1213537C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100307881B1 (ko) | 2001-10-20 |
JPH11154861A (ja) | 1999-06-08 |
KR19990045418A (ko) | 1999-06-25 |
CN1218332A (zh) | 1999-06-02 |
JP3094976B2 (ja) | 2000-10-03 |
US6304118B1 (en) | 2001-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: NEC ELECTRONICS TAIWAN LTD. Free format text: FORMER OWNER: NIPPON ELECTRIC CO., LTD. Effective date: 20030328 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030328 Address after: Kawasaki, Kanagawa, Japan Applicant after: NEC Corp. Address before: Tokyo, Japan Applicant before: NEC Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: RENESAS KANSAI CO., LTD. Free format text: FORMER NAME: NEC CORP. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Kawasaki City, Kanagawa Prefecture, Japan Patentee after: Renesas Electronics Corporation Address before: Kawasaki City, Kanagawa Prefecture, Japan Patentee before: NEC Corp. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050803 Termination date: 20131119 |