CN102882520B - 基于sigma-delta锁相环的时钟分频装置和方法 - Google Patents
基于sigma-delta锁相环的时钟分频装置和方法 Download PDFInfo
- Publication number
- CN102882520B CN102882520B CN201210372151.0A CN201210372151A CN102882520B CN 102882520 B CN102882520 B CN 102882520B CN 201210372151 A CN201210372151 A CN 201210372151A CN 102882520 B CN102882520 B CN 102882520B
- Authority
- CN
- China
- Prior art keywords
- frequency
- sigma
- delta modulator
- clock
- frequency dividing
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210372151.0A CN102882520B (zh) | 2012-09-28 | 2012-09-28 | 基于sigma-delta锁相环的时钟分频装置和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210372151.0A CN102882520B (zh) | 2012-09-28 | 2012-09-28 | 基于sigma-delta锁相环的时钟分频装置和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102882520A CN102882520A (zh) | 2013-01-16 |
CN102882520B true CN102882520B (zh) | 2015-09-02 |
Family
ID=47483707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210372151.0A Active CN102882520B (zh) | 2012-09-28 | 2012-09-28 | 基于sigma-delta锁相环的时钟分频装置和方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102882520B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103152034B (zh) * | 2013-02-26 | 2017-02-08 | 中国电子科技集团公司第四十一研究所 | 一种小数分频锁相环电路及分频比控制方法 |
CN103248360B (zh) * | 2013-05-16 | 2016-02-17 | 中国电子科技集团公司第四十一研究所 | 一种小数分频锁相环电路及直流调频方法 |
US9280928B2 (en) * | 2013-10-17 | 2016-03-08 | Sct Technology, Ltd. | Apparatus and method for driving LED display |
CN105429638A (zh) * | 2014-09-17 | 2016-03-23 | 常熟市荣兴化纺有限责任公司 | 低相位噪声的集成化小数微波频率合成器 |
CN104378108B (zh) * | 2014-12-04 | 2017-10-03 | 龙迅半导体(合肥)股份有限公司 | 一种时钟信号输出方法和电路 |
CN106849946A (zh) * | 2016-12-13 | 2017-06-13 | 航天恒星科技有限公司 | 一种小数分频频率综合器及小数分频方法 |
CN107248862A (zh) * | 2017-06-09 | 2017-10-13 | 芯海科技(深圳)股份有限公司 | 一种小数分频降低频率抖动电路及方法 |
CN110061735B (zh) * | 2019-04-22 | 2022-09-23 | 小华半导体有限公司 | 小数分频电路及采用该电路的接口时钟分频电路 |
CN110635803B (zh) * | 2019-10-07 | 2024-06-14 | 珠海一微半导体股份有限公司 | 一种基于电平宽度提取的锁相加速电路及锁相环*** |
CN111120121B (zh) * | 2019-12-25 | 2022-04-05 | 潍柴动力股份有限公司 | 频率驱动控制方法、装置、发动机控制器及存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1685616A (zh) * | 2002-06-20 | 2005-10-19 | 诺基亚有限公司 | 分数n频率合成器内的数字增量求和调制器 |
CN103001631A (zh) * | 2011-09-16 | 2013-03-27 | 英飞凌科技奥地利有限公司 | 小数n锁相环路 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005060470A1 (de) * | 2005-12-17 | 2007-06-21 | Atmel Germany Gmbh | PLL-Frequenzgenerator |
-
2012
- 2012-09-28 CN CN201210372151.0A patent/CN102882520B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1685616A (zh) * | 2002-06-20 | 2005-10-19 | 诺基亚有限公司 | 分数n频率合成器内的数字增量求和调制器 |
CN103001631A (zh) * | 2011-09-16 | 2013-03-27 | 英飞凌科技奥地利有限公司 | 小数n锁相环路 |
Also Published As
Publication number | Publication date |
---|---|
CN102882520A (zh) | 2013-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102882520B (zh) | 基于sigma-delta锁相环的时钟分频装置和方法 | |
US9851696B2 (en) | Circuit, a time-to-digital converter, an integrated circuit, a transmitter, a receiver and a transceiver | |
US7973606B2 (en) | Fractional-N frequency synthesizer and method thereof | |
KR101664634B1 (ko) | 주파수 신호 생성 시스템 및 디스플레이 장치 | |
US8054114B2 (en) | Fractional-N phase-locked loop | |
CN101958710A (zh) | 锁相环电路和通信装置 | |
CN101694998A (zh) | 一种锁定***及方法 | |
CN102210103A (zh) | 利用σ-δ调制器控制的分频器进行的频率变换 | |
KR20130132305A (ko) | 분수 분주형 주파수 합성기의 광범위 멀티-모듈러스 분할기 | |
CN101420294B (zh) | 一种时钟锁相环控制方法及装置 | |
CN101371439A (zh) | 相位比较电路及使用该相位比较电路的pll频率合成器 | |
CN105375922A (zh) | 一种用于微型原子钟的微波信号源 | |
CN103718463A (zh) | 高线性相位频率检测器 | |
KR20160132446A (ko) | 주파수 합성기 | |
KR20060128124A (ko) | 광대역 주파수 합성기 | |
CN102158227B (zh) | 非整数n型锁相回路 | |
CN110506394B (zh) | 频率产生器 | |
US20010038314A1 (en) | Frequency synthesizer | |
WO2012143970A1 (ja) | 周波数シンセサイザ | |
CN100353673C (zh) | 锁相环频率合成器 | |
JP2016066972A (ja) | Pll回路、集積回路装置、電子機器及び移動体 | |
CN116667846B (zh) | 频率综合电路 | |
CN220022782U (zh) | 一种锁相环频率综合器和电子设备 | |
CN219875717U (zh) | 一种振荡器电路、频率产生单元及微处理芯片 | |
CN108306636B (zh) | 一种非连续微波探询信号的产生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Lei Inventor after: Liu Yang Inventor after: Ma Hongxiang Inventor after: Yang Yanhong Inventor before: Liu Cheng Inventor before: Yang Lei Inventor before: Liu Yang Inventor before: Ma Hongxiang Inventor before: Yang Yanhong |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100080, Beijing, Suzhou Street, Haidian District No. 20, building 2, on the north side of the four floor Patentee after: Zhaoxun Hengda Technology Co., Ltd Address before: 100080, Beijing, Suzhou Street, Haidian District No. 20, building 2, on the north side of the four floor Patentee before: MEGAHUNT MICROELECTRONIC TECH. (BEIJING) Co.,Ltd. |