CN1770633B - 时钟锁相环及时钟锁相的控制方法 - Google Patents
时钟锁相环及时钟锁相的控制方法 Download PDFInfo
- Publication number
- CN1770633B CN1770633B CN 200410086353 CN200410086353A CN1770633B CN 1770633 B CN1770633 B CN 1770633B CN 200410086353 CN200410086353 CN 200410086353 CN 200410086353 A CN200410086353 A CN 200410086353A CN 1770633 B CN1770633 B CN 1770633B
- Authority
- CN
- China
- Prior art keywords
- phase
- clock
- loop
- loop filter
- filter
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000013078 crystal Substances 0.000 claims description 35
- 238000011045 prefiltration Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 25
- 238000005070 sampling Methods 0.000 claims description 23
- 238000004364 calculation method Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
Images
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410086353 CN1770633B (zh) | 2004-10-26 | 2004-10-26 | 时钟锁相环及时钟锁相的控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410086353 CN1770633B (zh) | 2004-10-26 | 2004-10-26 | 时钟锁相环及时钟锁相的控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1770633A CN1770633A (zh) | 2006-05-10 |
CN1770633B true CN1770633B (zh) | 2010-04-14 |
Family
ID=36751685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200410086353 Active CN1770633B (zh) | 2004-10-26 | 2004-10-26 | 时钟锁相环及时钟锁相的控制方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1770633B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103843264A (zh) * | 2011-09-30 | 2014-06-04 | 英特尔公司 | 用于执行扩频时钟控制的装置和方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101083523B (zh) * | 2007-07-27 | 2010-08-11 | 华南理工大学 | 一种实现集成时间戳时钟同步锁相环的方法及装置 |
CN101572543A (zh) * | 2008-05-04 | 2009-11-04 | 华为技术有限公司 | 一种稳定时钟的方法和装置 |
CN102281062B (zh) * | 2010-06-12 | 2014-03-12 | 大唐移动通信设备有限公司 | 一种输出时钟信号的方法和设备 |
CN102315927A (zh) * | 2011-06-30 | 2012-01-11 | 大唐移动通信设备有限公司 | 一种时钟同步装置及方法 |
US8598929B1 (en) * | 2012-10-31 | 2013-12-03 | Intel Mobile Communications GmbH | Bitwidth reduction in loop filters used for digital PLLS |
CN104460312A (zh) * | 2014-12-30 | 2015-03-25 | 四川九洲电器集团有限责任公司 | Gps北斗双模授时方法及系统 |
WO2017152412A1 (zh) * | 2016-03-11 | 2017-09-14 | 华为技术有限公司 | 支持多时钟域时钟传递的设备和方法 |
CN109104187B (zh) * | 2018-09-14 | 2022-09-06 | 中国人民解放军陆军工程大学 | 一种全数字宽带频率综合器 |
CN111222294A (zh) * | 2018-11-23 | 2020-06-02 | 深圳市中兴微电子技术有限公司 | 模拟锁相环锁定状态下参考钟平滑过渡的方法和装置 |
CN117240428A (zh) * | 2023-11-15 | 2023-12-15 | 北京航天晨信科技有限责任公司 | 时钟同步方法、装置、电子设备及计算机可读存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5373255A (en) * | 1993-07-28 | 1994-12-13 | Motorola, Inc. | Low-power, jitter-compensated phase locked loop and method therefor |
US5754437A (en) * | 1996-09-10 | 1998-05-19 | Tektronix, Inc. | Phase measurement apparatus and method |
EP0909036A1 (en) * | 1997-10-07 | 1999-04-14 | Nec Corporation | Phase locked loop circuit |
-
2004
- 2004-10-26 CN CN 200410086353 patent/CN1770633B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5373255A (en) * | 1993-07-28 | 1994-12-13 | Motorola, Inc. | Low-power, jitter-compensated phase locked loop and method therefor |
US5754437A (en) * | 1996-09-10 | 1998-05-19 | Tektronix, Inc. | Phase measurement apparatus and method |
EP0909036A1 (en) * | 1997-10-07 | 1999-04-14 | Nec Corporation | Phase locked loop circuit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103843264A (zh) * | 2011-09-30 | 2014-06-04 | 英特尔公司 | 用于执行扩频时钟控制的装置和方法 |
CN103843264B (zh) * | 2011-09-30 | 2015-11-25 | 英特尔公司 | 用于执行扩频时钟控制的装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1770633A (zh) | 2006-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1770633B (zh) | 时钟锁相环及时钟锁相的控制方法 | |
CN101170399B (zh) | 一种分布式基站中的时钟同步方法及分布式基站 | |
CA2246146C (en) | Direct digital phase synthesis | |
CN101079629B (zh) | 一种实现sdh产品时钟板无缝切换的数字锁相装置 | |
CN101582692A (zh) | 一种提高数字锁相环性能的方法 | |
CN203872160U (zh) | 一种同步处理装置 | |
CN103490775A (zh) | 基于双环结构的时钟数据恢复控制器 | |
CN105516041B (zh) | 一种低信噪比下自适应数字解调系统 | |
CN109379078A (zh) | 一种ii型全数字锁相环的自适应环路滤波方法 | |
CN107566107A (zh) | 一种大频偏全数字载波信号快速精确同步方法和系统 | |
CN212850459U (zh) | 一种基于fpga的高精度数字锁相环系统 | |
CN110247751A (zh) | 正交幅度调制qam信号位同步的方法、装置及存储介质 | |
CN104410409B (zh) | 一种自适应的多时钟产生装置及方法 | |
CN102055469B (zh) | 鉴相器及锁相环电路 | |
CN101534152A (zh) | 一种无线接入网的同步实现方法及装置 | |
CN207150565U (zh) | 一种高速延迟锁相环 | |
CN114221842B (zh) | 一种8psk调制信号的载波射频指纹提取系统及方法 | |
WO2022077987A1 (zh) | 时钟同步电路、控制方法、印刷电路板及通讯设备 | |
CN205092869U (zh) | 一种短波数字通信电台载波同步的科斯塔斯环 | |
CN209134388U (zh) | 射频本振信号校准电路 | |
CN114157294A (zh) | 模拟鉴相器与数字鉴频器合作捕获的低相噪频率合成器 | |
CN106330378B (zh) | 一种智能变电站频域时延优化的时间同步方法 | |
CN106054589B (zh) | 一种导航卫星星间链路设备自适应精准时间建立方法 | |
CN104467832A (zh) | 一种无线通信设备频率综合器 | |
CN109951186A (zh) | 一种基于数字锁相环的扫频信号源 |
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: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110520 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110520 Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210603 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |