CN107682010B - 基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 - Google Patents
基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 Download PDFInfo
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- CN107682010B CN107682010B CN201711086508.8A CN201711086508A CN107682010B CN 107682010 B CN107682010 B CN 107682010B CN 201711086508 A CN201711086508 A CN 201711086508A CN 107682010 B CN107682010 B CN 107682010B
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- 230000009747 swallowing Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000013461 design Methods 0.000 claims description 5
- 230000009191 jumping Effects 0.000 claims description 5
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- 238000012986 modification Methods 0.000 description 2
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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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- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
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Priority Applications (1)
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CN201711086508.8A CN107682010B (zh) | 2017-11-07 | 2017-11-07 | 基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 |
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CN201711086508.8A CN107682010B (zh) | 2017-11-07 | 2017-11-07 | 基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 |
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CN107682010A CN107682010A (zh) | 2018-02-09 |
CN107682010B true CN107682010B (zh) | 2024-06-04 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109995365B (zh) * | 2019-03-06 | 2020-09-01 | 杭州城芯科技有限公司 | 一种基于开关电容阵列温度补偿电路的频率综合器 |
CN109995346B (zh) * | 2019-03-06 | 2020-08-04 | 杭州城芯科技有限公司 | 一种基于时钟吞咽电路的高频时钟同步电路 |
CN111224664A (zh) * | 2020-01-17 | 2020-06-02 | 核芯互联科技(青岛)有限公司 | SoC内置高精度高速振荡器的数字校准方法及装置 |
CN112468143A (zh) * | 2020-11-30 | 2021-03-09 | 武汉大学 | 一种可控环路带宽的小数分频频率合成器 |
Citations (5)
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CN1433152A (zh) * | 2002-01-18 | 2003-07-30 | 诺基亚有限公司 | 具有正弦波发生器的小数分频合成器 |
CN101800536A (zh) * | 2009-02-11 | 2010-08-11 | 中国科学院电子学研究所 | 用于脉冲吞咽式分频器稳定性的脉冲展宽器及方法 |
CN102035537A (zh) * | 2010-12-09 | 2011-04-27 | 东南大学 | 一种低功耗可编程分频器 |
CN104702278A (zh) * | 2013-12-10 | 2015-06-10 | 炬芯(珠海)科技有限公司 | 一种频率校准方法及装置 |
CN207460136U (zh) * | 2017-11-07 | 2018-06-05 | 杭州城芯科技有限公司 | 基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 |
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2017
- 2017-11-07 CN CN201711086508.8A patent/CN107682010B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1433152A (zh) * | 2002-01-18 | 2003-07-30 | 诺基亚有限公司 | 具有正弦波发生器的小数分频合成器 |
CN101800536A (zh) * | 2009-02-11 | 2010-08-11 | 中国科学院电子学研究所 | 用于脉冲吞咽式分频器稳定性的脉冲展宽器及方法 |
CN102035537A (zh) * | 2010-12-09 | 2011-04-27 | 东南大学 | 一种低功耗可编程分频器 |
CN104702278A (zh) * | 2013-12-10 | 2015-06-10 | 炬芯(珠海)科技有限公司 | 一种频率校准方法及装置 |
CN207460136U (zh) * | 2017-11-07 | 2018-06-05 | 杭州城芯科技有限公司 | 基于脉冲吞咽多模分频器的低功耗全数字的快速自动频率校准电路 |
Non-Patent Citations (1)
Title |
---|
超外差接收机中频率综合器核心电路设计;罗寅;《中国优秀硕士学位论文全文数据库信息科技辑》(第2期);第3-4章 * |
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Inventor after: Li Haoming Inventor after: Li Guoru Inventor after: Wang Tengjia Inventor after: Zhou Suping Inventor after: Wang Xiaofeng Inventor after: Shen Yupeng Inventor after: Chen Xubin Inventor before: Li Haoming Inventor before: Li Guoru Inventor before: Liu Jiarui Inventor before: Wang Tengjia Inventor before: Zhou Suping Inventor before: Wang Xiaofeng Inventor before: Shen Yupeng Inventor before: Chen Xubin |
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