WO2008146433A1 - スペクトラム拡散制御pll回路及びそのスタートアップ方法 - Google Patents
スペクトラム拡散制御pll回路及びそのスタートアップ方法 Download PDFInfo
- Publication number
- WO2008146433A1 WO2008146433A1 PCT/JP2008/000639 JP2008000639W WO2008146433A1 WO 2008146433 A1 WO2008146433 A1 WO 2008146433A1 JP 2008000639 W JP2008000639 W JP 2008000639W WO 2008146433 A1 WO2008146433 A1 WO 2008146433A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spread spectrum
- pll circuit
- spectrum control
- circuit
- control pll
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000001228 spectrum Methods 0.000 title 1
Classifications
-
- 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
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
- H03L7/0895—Details of the current generators
- H03L7/0898—Details of the current generators the source or sink current values being variable
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- 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
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
-
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/595,008 US7986175B2 (en) | 2007-05-30 | 2008-03-18 | Spread spectrum control PLL circuit and its start-up method |
JP2009516160A JP4630381B2 (ja) | 2007-05-30 | 2008-03-18 | スペクトラム拡散制御pll回路及びそのスタートアップ方法 |
CN2008800153917A CN101682296B (zh) | 2007-05-30 | 2008-03-18 | 扩展频谱控制锁相环电路及其启动方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007143261 | 2007-05-30 | ||
JP2007-143261 | 2007-05-30 | ||
JP2007-294371 | 2007-11-13 | ||
JP2007294371 | 2007-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008146433A1 true WO2008146433A1 (ja) | 2008-12-04 |
Family
ID=40074711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/000639 WO2008146433A1 (ja) | 2007-05-30 | 2008-03-18 | スペクトラム拡散制御pll回路及びそのスタートアップ方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7986175B2 (ja) |
JP (1) | JP4630381B2 (ja) |
CN (1) | CN101682296B (ja) |
WO (1) | WO2008146433A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110051779A1 (en) * | 2009-08-27 | 2011-03-03 | Ipgoal Microelectronics (Sichuan) Co., Ltd. | Spread spectrum clock generating circuit |
JP2016063442A (ja) * | 2014-09-19 | 2016-04-25 | 三菱電機株式会社 | 位相同期回路 |
CN112514318A (zh) * | 2018-05-29 | 2021-03-16 | 斯威特科技有限公司 | 用于多频带毫米波5g通信的宽频带锁相环 |
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US7965117B2 (en) * | 2009-05-06 | 2011-06-21 | Freescale Semiconductor, Inc. | Charge pump for phase locked loop |
TW201104382A (en) * | 2009-07-27 | 2011-02-01 | Univ Nat Taiwan | Spread spectrum clock generator with programmable spread spectrum |
JP2011107750A (ja) * | 2009-11-12 | 2011-06-02 | Renesas Electronics Corp | 半導体集積回路装置 |
JP5491969B2 (ja) * | 2010-05-31 | 2014-05-14 | ローム株式会社 | トランスミッタ、インタフェイス装置、車載通信システム |
JP2012039496A (ja) * | 2010-08-10 | 2012-02-23 | Sony Corp | クロック生成回路および電子機器 |
US8436686B2 (en) * | 2010-09-20 | 2013-05-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and apparatus for efficient time slicing |
TWI446141B (zh) * | 2010-11-09 | 2014-07-21 | Nuvoton Technology Corp | 時脈校正方法與裝置以及電子裝置 |
KR101738875B1 (ko) * | 2011-02-16 | 2017-05-24 | 삼성디스플레이 주식회사 | 코오스 로킹 검출기 및 이를 포함하는 지연 로킹 루프 |
US9401722B2 (en) * | 2011-06-20 | 2016-07-26 | Texas Instruments Incorporated | Autoconfigurable phase-locked loop which automatically maintains a constant damping factor and adjusts the loop bandwidth to a constant ratio of the reference frequency |
EP2761787B1 (en) * | 2011-09-30 | 2017-06-07 | Intel Corporation | Apparatus and method for performing spread-spectrum clock control |
CN103222356B (zh) * | 2011-11-14 | 2016-01-13 | 联发科技股份有限公司 | 执行芯片级别上减少电磁干扰的方法及对应装置 |
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CN102868399B (zh) * | 2012-10-11 | 2015-01-21 | 广州润芯信息技术有限公司 | 锁相环频率综合器和锁相环失锁检测及调节方法 |
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JP6159221B2 (ja) * | 2013-10-17 | 2017-07-05 | 株式会社東芝 | Cdr回路、および、シリアル通信インターフェイス回路 |
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CN104734696B (zh) * | 2013-12-24 | 2017-11-03 | 上海东软载波微电子有限公司 | 锁相环频率校准电路及方法 |
US9484939B2 (en) * | 2014-05-16 | 2016-11-01 | Lattice Semiconductor Corporation | Techniques for fractional-N phase locked loops |
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US9356609B1 (en) | 2014-12-19 | 2016-05-31 | Telefonaktiebolaget L M Ericsson (Publ) | Phase switching PLL and calibration method |
JP2016174199A (ja) * | 2015-03-16 | 2016-09-29 | 株式会社東芝 | 位相同期回路 |
FR3044098B1 (fr) * | 2015-11-19 | 2017-12-22 | St Microelectronics Sa | Procede et dispositif de mesure de la frequence d'un signal |
US9634561B1 (en) | 2016-01-07 | 2017-04-25 | Freescale Semiconductor, Inc. | Programmable charge pump |
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US10291386B2 (en) | 2017-09-29 | 2019-05-14 | Cavium, Llc | Serializer/deserializer (SerDes) lanes with lane-by-lane datarate independence |
US10447253B2 (en) | 2017-12-13 | 2019-10-15 | Megachips Corporation | High performance PLL based on PVT independent stable oscillator |
CN110289853B (zh) * | 2019-07-19 | 2024-05-14 | 加特兰微电子科技(上海)有限公司 | 振荡器、锁相环以及雷达系统 |
CN113452348A (zh) * | 2020-03-25 | 2021-09-28 | 矽恩微电子(厦门)有限公司 | 展频时脉产生系统 |
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JP2006197308A (ja) * | 2005-01-14 | 2006-07-27 | Renesas Technology Corp | クロック生成方法とクロック生成回路 |
JP2007049277A (ja) * | 2005-08-08 | 2007-02-22 | Renesas Technology Corp | 位相同期回路およびそれを用いた半導体集積回路装置 |
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2008
- 2008-03-18 JP JP2009516160A patent/JP4630381B2/ja not_active Expired - Fee Related
- 2008-03-18 US US12/595,008 patent/US7986175B2/en active Active
- 2008-03-18 WO PCT/JP2008/000639 patent/WO2008146433A1/ja active Application Filing
- 2008-03-18 CN CN2008800153917A patent/CN101682296B/zh not_active Expired - Fee Related
Patent Citations (2)
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JP2006197308A (ja) * | 2005-01-14 | 2006-07-27 | Renesas Technology Corp | クロック生成方法とクロック生成回路 |
JP2007049277A (ja) * | 2005-08-08 | 2007-02-22 | Renesas Technology Corp | 位相同期回路およびそれを用いた半導体集積回路装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110051779A1 (en) * | 2009-08-27 | 2011-03-03 | Ipgoal Microelectronics (Sichuan) Co., Ltd. | Spread spectrum clock generating circuit |
US8406271B2 (en) * | 2009-08-27 | 2013-03-26 | IPGoal Microelectronics(SiChuan) Co., Ltd | Spread spectrum clock generating circuit |
JP2016063442A (ja) * | 2014-09-19 | 2016-04-25 | 三菱電機株式会社 | 位相同期回路 |
CN112514318A (zh) * | 2018-05-29 | 2021-03-16 | 斯威特科技有限公司 | 用于多频带毫米波5g通信的宽频带锁相环 |
JP2021525480A (ja) * | 2018-05-29 | 2021-09-24 | スウィフトリンク テクノロジーズ インコーポレイテッド | 多重帯域ミリメートル波5g通信のための広帯域位相ロックループ |
JP7305680B2 (ja) | 2018-05-29 | 2023-07-10 | スウィフトリンク テクノロジーズ インコーポレイテッド | 多重帯域ミリメートル波5g通信のための広帯域位相ロックループ |
Also Published As
Publication number | Publication date |
---|---|
US20100127739A1 (en) | 2010-05-27 |
JPWO2008146433A1 (ja) | 2010-08-19 |
CN101682296B (zh) | 2012-05-02 |
CN101682296A (zh) | 2010-03-24 |
US7986175B2 (en) | 2011-07-26 |
JP4630381B2 (ja) | 2011-02-09 |
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