CN1221080C - 平滑的时钟切换方法及时钟系统 - Google Patents
平滑的时钟切换方法及时钟系统 Download PDFInfo
- Publication number
- CN1221080C CN1221080C CN 03147841 CN03147841A CN1221080C CN 1221080 C CN1221080 C CN 1221080C CN 03147841 CN03147841 CN 03147841 CN 03147841 A CN03147841 A CN 03147841A CN 1221080 C CN1221080 C CN 1221080C
- Authority
- CN
- China
- Prior art keywords
- clock
- phase
- deck
- locked loop
- time block
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03147841 CN1221080C (zh) | 2003-06-25 | 2003-06-25 | 平滑的时钟切换方法及时钟系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03147841 CN1221080C (zh) | 2003-06-25 | 2003-06-25 | 平滑的时钟切换方法及时钟系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1484384A CN1484384A (zh) | 2004-03-24 |
CN1221080C true CN1221080C (zh) | 2005-09-28 |
Family
ID=34156176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03147841 Expired - Fee Related CN1221080C (zh) | 2003-06-25 | 2003-06-25 | 平滑的时钟切换方法及时钟系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1221080C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103001789B (zh) * | 2011-09-19 | 2017-09-29 | 中兴通讯股份有限公司 | 时钟倒换方法和装置 |
CN106656392A (zh) * | 2016-12-26 | 2017-05-10 | 广东大普通信技术有限公司 | 一种时钟参考无缝切换的方法及装置 |
CN108418580B (zh) * | 2018-01-24 | 2021-11-26 | 晶晨半导体(上海)股份有限公司 | 一种通过频率计测量中央处理器内部锁相环稳定性的方法 |
-
2003
- 2003-06-25 CN CN 03147841 patent/CN1221080C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1484384A (zh) | 2004-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101098220B (zh) | 一种基于数字锁相环的时钟同步方法及其系统 | |
US8149980B2 (en) | System and method for implementing a phase detector to support a data transmission procedure | |
CN1266873C (zh) | 同步电路 | |
CN1815892A (zh) | 一种检测相位误差并产生控制信号的电路 | |
JP3084151B2 (ja) | 情報処理システム | |
JP2013179671A (ja) | シリアルクロック及びデータリカバリのための信号インタリービング | |
CN1156995C (zh) | 数字通讯系统中可热插拔主备无抖动切换方法及装置 | |
CN1221080C (zh) | 平滑的时钟切换方法及时钟系统 | |
CN1674704A (zh) | 一种在wcdma系统基站内实现时钟冗余备份的方法和装置 | |
CN1230985C (zh) | 具有整形相位误差信号的锁相环及其方法 | |
CN1794618A (zh) | 数字时钟滤波器 | |
WO2007000111A1 (fr) | Dispositif permettant l'alignement d'une phase d'horloge entre un carte d'horloge principale et une carte d'horloge de secours et procede et carte d'horloge correspondants | |
CN100417024C (zh) | 低稳态误差的锁相回路及其校正电路 | |
CN1581715A (zh) | 对同步数字体系设备主备时钟相位进行控制的方法 | |
CN1555168A (zh) | 一种主备同步数字系列设备定时源的无损切换方法 | |
CN100512010C (zh) | 能够消除偏移的锁相环系统 | |
CN101621346A (zh) | 一种具有自适应反馈的源同步接收装置及源同步方法 | |
US20230344615A1 (en) | Circuit and Method for Removing Spread Spectrum | |
CN111756370A (zh) | 半导体装置 | |
CN1187899C (zh) | 用于锁相环中的保持电路的系统和方法 | |
CN1581013A (zh) | 一种防止主备时钟切换时总时钟输出产生毛刺的方法 | |
CN1277363C (zh) | 主备时钟互锁控制方法 | |
US20090058537A1 (en) | PLL lock time reduction | |
CN112910590A (zh) | 一种时钟同步系统及方法 | |
CN1324815C (zh) | 信号相位跟踪网络 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: UT STARCOM COMMUNICATION CO., LTD. Free format text: FORMER OWNER: UTSTARCOM (CHINA) INCORPORATED Effective date: 20121218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100027 CHAOYANG, BEIJING TO: 310053 HANGZHOU, ZHEJIANG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121218 Address after: Hangzhou City, Zhejiang province Binjiang District 310053 Spring Road No. 1576 Leton Technology Park Building No. 3 Patentee after: UT Starcom Communication Co., Ltd. Address before: 100027 Beijing city Dongsishitiao Beihai Manhattan building B block 11 layer Patentee before: UT Sidakang (China) Co., Ltd. |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: UT Starcom Communication Co., Ltd. Document name: Notification to Pay the Fees |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20180625 |
|
CF01 | Termination of patent right due to non-payment of annual fee |