CN109150177A - 一种带加抖机制的小数分频实现方法 - Google Patents
一种带加抖机制的小数分频实现方法 Download PDFInfo
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- CN109150177A CN109150177A CN201810668105.2A CN201810668105A CN109150177A CN 109150177 A CN109150177 A CN 109150177A CN 201810668105 A CN201810668105 A CN 201810668105A CN 109150177 A CN109150177 A CN 109150177A
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- frequency division
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000013139 quantization Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 238000003786 synthesis reaction Methods 0.000 abstract description 8
- 230000004304 visual acuity Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
Classifications
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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
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Abstract
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CN201810668105.2A CN109150177B (zh) | 2018-06-26 | 2018-06-26 | 一种带加抖机制的小数分频实现方法 |
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CN201810668105.2A CN109150177B (zh) | 2018-06-26 | 2018-06-26 | 一种带加抖机制的小数分频实现方法 |
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CN109150177A true CN109150177A (zh) | 2019-01-04 |
CN109150177B CN109150177B (zh) | 2022-07-19 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (10)
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US5781044A (en) * | 1994-05-12 | 1998-07-14 | Northern Telecom Limited | Delta-sigma fractional-N frequency synthesizer and frequency discriminator suitable for use therein |
US20100039182A1 (en) * | 2008-01-10 | 2010-02-18 | The Regents Of The University Of California | Adaptive noise cancellation for fractional-n phase locked loop |
CN101953076A (zh) * | 2008-02-26 | 2011-01-19 | 高通股份有限公司 | 分数n锁相环路中的δ-σ调制器时钟抖动 |
CN103107806A (zh) * | 2011-11-14 | 2013-05-15 | 孙茂友 | 一种低杂谱Sigma-Delta小数-N锁相环 |
CN103178834A (zh) * | 2013-03-07 | 2013-06-26 | 上海山景集成电路股份有限公司 | 小数分频系统 |
CN104467860A (zh) * | 2014-11-09 | 2015-03-25 | 上海工程技术大学 | 一种级联过采样模数调制器 |
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 |
CN107612546A (zh) * | 2017-08-29 | 2018-01-19 | 电子科技大学 | 一种基于神经网络的锁相环电路 |
CN108063621A (zh) * | 2017-12-01 | 2018-05-22 | 宁波芯路通讯科技有限公司 | 可变架构的sigma-delta数据转换器 |
-
2018
- 2018-06-26 CN CN201810668105.2A patent/CN109150177B/zh active Active
Patent Citations (10)
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---|---|---|---|---|
US5781044A (en) * | 1994-05-12 | 1998-07-14 | Northern Telecom Limited | Delta-sigma fractional-N frequency synthesizer and frequency discriminator suitable for use therein |
US20100039182A1 (en) * | 2008-01-10 | 2010-02-18 | The Regents Of The University Of California | Adaptive noise cancellation for fractional-n phase locked loop |
CN101953076A (zh) * | 2008-02-26 | 2011-01-19 | 高通股份有限公司 | 分数n锁相环路中的δ-σ调制器时钟抖动 |
CN103107806A (zh) * | 2011-11-14 | 2013-05-15 | 孙茂友 | 一种低杂谱Sigma-Delta小数-N锁相环 |
CN103178834A (zh) * | 2013-03-07 | 2013-06-26 | 上海山景集成电路股份有限公司 | 小数分频系统 |
CN104467860A (zh) * | 2014-11-09 | 2015-03-25 | 上海工程技术大学 | 一种级联过采样模数调制器 |
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 |
CN107612546A (zh) * | 2017-08-29 | 2018-01-19 | 电子科技大学 | 一种基于神经网络的锁相环电路 |
CN108063621A (zh) * | 2017-12-01 | 2018-05-22 | 宁波芯路通讯科技有限公司 | 可变架构的sigma-delta数据转换器 |
Non-Patent Citations (3)
Title |
---|
曹纯 等: "一种LFSR加抖的三阶Σ-Δ调制器设计", 《无线电通信技术》 * |
来新泉 等: "一种3阶Mash结构的Σ-Δ音频数模转换器", 《电子学报》 * |
浦寿杰 等: "三阶1-1-1级联Σ-Δ调制器的设计及仿真", 《微电子学》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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Address after: 311422 4th floor, building 9, Yinhu innovation center, 9 Fuxian Road, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou xiongmai integrated circuit technology Co.,Ltd. Address before: 311422 4th floor, building 9, Yinhu innovation center, 9 Fuxian Road, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU XIONGMAI INTEGRATED CIRCUIT TECHNOLOGY CO.,LTD. |
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Denomination of invention: A Realization Method of Fractional Frequency Division with Dithering Mechanism Effective date of registration: 20221211 Granted publication date: 20220719 Pledgee: Hangzhou Fuyang Sub branch of Zheshang Bank Co.,Ltd. Pledgor: Hangzhou xiongmai integrated circuit technology Co.,Ltd. Registration number: Y2022330003571 |
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Address after: 311422 4th floor, building 9, Yinhu innovation center, 9 Fuxian Road, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinmai Microelectronics Co.,Ltd. Address before: 311422 4th floor, building 9, Yinhu innovation center, 9 Fuxian Road, Yinhu street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou xiongmai integrated circuit technology Co.,Ltd. |