CN105049039A - 一种用于杂散抑制的小数分频电路 - Google Patents
一种用于杂散抑制的小数分频电路 Download PDFInfo
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- CN105049039A CN105049039A CN201510394907.5A CN201510394907A CN105049039A CN 105049039 A CN105049039 A CN 105049039A CN 201510394907 A CN201510394907 A CN 201510394907A CN 105049039 A CN105049039 A CN 105049039A
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- clock signal
- frequency
- fractional
- frequency division
- division circuit
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- 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
- H03L7/1974—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 fractional frequency division
- H03L7/1976—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 fractional frequency division using a phase accumulator for controlling the counter or frequency divider
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- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510394907.5A CN105049039B (zh) | 2015-07-08 | 2015-07-08 | 一种用于杂散抑制的小数分频电路 |
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| CN201510394907.5A CN105049039B (zh) | 2015-07-08 | 2015-07-08 | 一种用于杂散抑制的小数分频电路 |
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| Publication Number | Publication Date |
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| CN105049039A true CN105049039A (zh) | 2015-11-11 |
| CN105049039B CN105049039B (zh) | 2017-12-01 |
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| CN201510394907.5A Active CN105049039B (zh) | 2015-07-08 | 2015-07-08 | 一种用于杂散抑制的小数分频电路 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650877A (zh) * | 2016-11-25 | 2017-05-10 | 华东师范大学 | 最大化输出循环长度的输出反馈型增量总和调制器 |
| 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 |
| CN108566200A (zh) * | 2018-04-27 | 2018-09-21 | 上海顺久电子科技有限公司 | 一种分频器控制器电路、锁相环及芯片 |
| CN109936363A (zh) * | 2019-03-06 | 2019-06-25 | 北京中创锐科信息技术有限公司 | 宽带小数分频锁相环系统及其杂散优化方法 |
| CN110190847A (zh) * | 2019-04-26 | 2019-08-30 | 西安邮电大学 | 一种应用于频率合成器的小数n分频电路及方法 |
| CN112039500A (zh) * | 2020-07-30 | 2020-12-04 | 博流智能科技(南京)有限公司 | 无线通信芯片、时钟信号发生电路及减小时钟谐波杂散的方法 |
| WO2020244158A1 (en) * | 2019-06-05 | 2020-12-10 | Shenzhen GOODIX Technology Co., Ltd. | Fractional divider for modulated phase-lock loop circuits |
| WO2021120836A1 (zh) * | 2019-12-20 | 2021-06-24 | 中兴通讯股份有限公司 | 一种频率合成器、频率合成方法、电子设备及存储介质 |
| CN113037282A (zh) * | 2021-02-25 | 2021-06-25 | 西安交通大学 | 一种基于电压均值的小数分频参考采样频率合成器 |
| CN114448525A (zh) * | 2021-12-28 | 2022-05-06 | 成都天贸科技有限公司 | 一种s频段扩频信号模拟源 |
| WO2023165216A1 (zh) * | 2022-03-03 | 2023-09-07 | 加特兰微电子科技(上海)有限公司 | 锁相环、雷达系统及随机化fmcw信号初始相位的方法 |
Citations (4)
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| US20050216780A1 (en) * | 2004-03-29 | 2005-09-29 | Samsung Electronics Co., Ltd. | Clock signal generator circuit for serial bus communication |
| US20110050301A1 (en) * | 2009-08-25 | 2011-03-03 | Perrott Michael H | Phase Locked Loop Circuitry Having Switched Resistor Loop Filter Circuitry, and Methods of Operating Same |
| CN103155415A (zh) * | 2011-06-15 | 2013-06-12 | 旭化成微电子株式会社 | 分数-n频率合成器中用于消除环路增益改变时的相位跃变的消除系统 |
| CN104467826A (zh) * | 2014-12-18 | 2015-03-25 | 中国电子科技集团公司第五十四研究所 | 一种带加抖整形的△∑小数频率综合器 |
-
2015
- 2015-07-08 CN CN201510394907.5A patent/CN105049039B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050216780A1 (en) * | 2004-03-29 | 2005-09-29 | Samsung Electronics Co., Ltd. | Clock signal generator circuit for serial bus communication |
| US20110050301A1 (en) * | 2009-08-25 | 2011-03-03 | Perrott Michael H | Phase Locked Loop Circuitry Having Switched Resistor Loop Filter Circuitry, and Methods of Operating Same |
| CN103155415A (zh) * | 2011-06-15 | 2013-06-12 | 旭化成微电子株式会社 | 分数-n频率合成器中用于消除环路增益改变时的相位跃变的消除系统 |
| CN104467826A (zh) * | 2014-12-18 | 2015-03-25 | 中国电子科技集团公司第五十四研究所 | 一种带加抖整形的△∑小数频率综合器 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650877B (zh) * | 2016-11-25 | 2019-08-23 | 华东师范大学 | 最大化输出循环长度的输出反馈型增量总和调制器 |
| CN106650877A (zh) * | 2016-11-25 | 2017-05-10 | 华东师范大学 | 最大化输出循环长度的输出反馈型增量总和调制器 |
| 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 |
| CN108566200A (zh) * | 2018-04-27 | 2018-09-21 | 上海顺久电子科技有限公司 | 一种分频器控制器电路、锁相环及芯片 |
| CN109936363A (zh) * | 2019-03-06 | 2019-06-25 | 北京中创锐科信息技术有限公司 | 宽带小数分频锁相环系统及其杂散优化方法 |
| CN109936363B (zh) * | 2019-03-06 | 2023-08-04 | 北京中创锐科信息技术有限公司 | 宽带小数分频锁相环系统及其杂散优化方法 |
| CN110190847B (zh) * | 2019-04-26 | 2023-06-02 | 西安邮电大学 | 一种应用于频率合成器的小数n分频电路及方法 |
| CN110190847A (zh) * | 2019-04-26 | 2019-08-30 | 西安邮电大学 | 一种应用于频率合成器的小数n分频电路及方法 |
| WO2020244158A1 (en) * | 2019-06-05 | 2020-12-10 | Shenzhen GOODIX Technology Co., Ltd. | Fractional divider for modulated phase-lock loop circuits |
| US10879916B1 (en) | 2019-06-05 | 2020-12-29 | Shenzhen GOODIX Technology Co., Ltd. | Fractional divider for modulated phase-lock loop circuits |
| WO2021120836A1 (zh) * | 2019-12-20 | 2021-06-24 | 中兴通讯股份有限公司 | 一种频率合成器、频率合成方法、电子设备及存储介质 |
| CN112039500A (zh) * | 2020-07-30 | 2020-12-04 | 博流智能科技(南京)有限公司 | 无线通信芯片、时钟信号发生电路及减小时钟谐波杂散的方法 |
| CN113037282A (zh) * | 2021-02-25 | 2021-06-25 | 西安交通大学 | 一种基于电压均值的小数分频参考采样频率合成器 |
| CN114448525A (zh) * | 2021-12-28 | 2022-05-06 | 成都天贸科技有限公司 | 一种s频段扩频信号模拟源 |
| WO2023165216A1 (zh) * | 2022-03-03 | 2023-09-07 | 加特兰微电子科技(上海)有限公司 | 锁相环、雷达系统及随机化fmcw信号初始相位的方法 |
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| Publication number | Publication date |
|---|---|
| CN105049039B (zh) | 2017-12-01 |
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Effective date of registration: 20190225 Address after: 266555 Xiangjiang 98, Huangdao District, Qingdao City, Shandong Province Patentee after: China Electronics Technology Instrument and Meter Co., Ltd. Address before: 266555 No. 98 Xiangjiang Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: The 41st Institute of CETC |
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Address after: 266555 Xiangjiang 98, Huangdao District, Qingdao City, Shandong Province Patentee after: CLP kesiyi Technology Co.,Ltd. Address before: 266555 Xiangjiang 98, Huangdao District, Qingdao City, Shandong Province Patentee before: CHINA ELECTRONIC TECHNOLOGY INSTRUMENTS Co.,Ltd. |