CN100566173C - 使用可进行高精度频率调制的谱扩散方式的时钟发生电路 - Google Patents
使用可进行高精度频率调制的谱扩散方式的时钟发生电路 Download PDFInfo
- Publication number
- CN100566173C CN100566173C CNB2004100597911A CN200410059791A CN100566173C CN 100566173 C CN100566173 C CN 100566173C CN B2004100597911 A CNB2004100597911 A CN B2004100597911A CN 200410059791 A CN200410059791 A CN 200410059791A CN 100566173 C CN100566173 C CN 100566173C
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- Prior art keywords
- clock signal
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- 238000001228 spectrum Methods 0.000 title claims abstract description 34
- 238000009792 diffusion process Methods 0.000 title claims abstract description 29
- 230000009471 action Effects 0.000 claims abstract description 33
- 230000000052 comparative effect Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 208000032365 Electromagnetic interference Diseases 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0816—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter and the frequency- or phase-detection arrangement being connected to a common input
-
- 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
- H03L7/0996—Selecting a signal among the plurality of phase-shifted signals produced by the 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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
-
- 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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
- H03L7/235—Nested phase locked loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Pulse Circuits (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003178416A JP4660076B2 (ja) | 2003-06-23 | 2003-06-23 | クロック発生回路 |
JP178416/03 | 2003-06-23 | ||
JP178416/2003 | 2003-06-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1574641A CN1574641A (zh) | 2005-02-02 |
CN100566173C true CN100566173C (zh) | 2009-12-02 |
Family
ID=33516311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100597911A Expired - Fee Related CN100566173C (zh) | 2003-06-23 | 2004-06-23 | 使用可进行高精度频率调制的谱扩散方式的时钟发生电路 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20040257124A1 (zh) |
JP (1) | JP4660076B2 (zh) |
KR (1) | KR100629285B1 (zh) |
CN (1) | CN100566173C (zh) |
TW (1) | TWI243548B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104113283A (zh) * | 2013-04-22 | 2014-10-22 | 爱思开海力士有限公司 | 倍频器 |
Families Citing this family (51)
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US20060176934A1 (en) * | 2005-02-07 | 2006-08-10 | Inova Semiconductors Gmbh | Serial transmission of data using spread-spectrum modulation for enhancing electromagnetic compatibility |
JP2006319399A (ja) | 2005-05-10 | 2006-11-24 | Nec Electronics Corp | パルス幅変調回路及び多相クロック生成回路 |
KR100663362B1 (ko) * | 2005-05-24 | 2007-01-02 | 삼성전자주식회사 | 반도체 메모리 장치 및 이 장치의 데이터 라이트 및 리드방법 |
JP4252561B2 (ja) * | 2005-06-23 | 2009-04-08 | 富士通マイクロエレクトロニクス株式会社 | クロック発生回路及びクロック発生方法 |
US20070014556A1 (en) * | 2005-07-15 | 2007-01-18 | Truls Persson | Communications devices including integrated digital cameras operating at different frequencies and related methods |
JP2007053685A (ja) * | 2005-08-19 | 2007-03-01 | Nec Electronics Corp | 半導体集積回路装置 |
JP4298688B2 (ja) * | 2005-09-15 | 2009-07-22 | 富士通マイクロエレクトロニクス株式会社 | クロック発生回路及びクロック発生方法 |
KR100743493B1 (ko) | 2006-02-21 | 2007-07-30 | 삼성전자주식회사 | 적응식 지연 고정 루프 |
JP4684919B2 (ja) * | 2006-03-03 | 2011-05-18 | ルネサスエレクトロニクス株式会社 | スペクトラム拡散クロック制御装置及びスペクトラム拡散クロック発生装置 |
WO2007109225A2 (en) * | 2006-03-17 | 2007-09-27 | Gct Semiconductor, Inc. | Clock generator and clock generating method using delay locked loop |
KR100710127B1 (ko) * | 2006-03-17 | 2007-04-20 | 지씨티 세미컨덕터 인코포레이티드 | 지연 동기 루프를 이용한 클록 생성기 및 클록 생성 방법 |
US7498871B2 (en) | 2006-04-19 | 2009-03-03 | Sony Ericsson Mobile Communications Ab | Spectrum spreaders including tunable filters and related devices and methods |
US7683690B2 (en) | 2006-10-30 | 2010-03-23 | Nec Electronics Corporation | Multiphase clock generation circuit |
KR100834398B1 (ko) | 2007-01-10 | 2008-06-04 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 및 그의 구동방법 |
US7675332B1 (en) * | 2007-01-31 | 2010-03-09 | Altera Corporation | Fractional delay-locked loops |
JP4772733B2 (ja) * | 2007-04-13 | 2011-09-14 | 株式会社東芝 | Dll回路 |
JP5090083B2 (ja) | 2007-06-29 | 2012-12-05 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
KR100844960B1 (ko) * | 2007-12-04 | 2008-07-09 | 인하대학교 산학협력단 | 확산 스펙트럼 클럭 생성기 |
JP4562787B2 (ja) | 2008-07-30 | 2010-10-13 | ルネサスエレクトロニクス株式会社 | Pll回路 |
JP4703696B2 (ja) * | 2008-08-29 | 2011-06-15 | 株式会社東芝 | Dll回路 |
KR100980405B1 (ko) * | 2008-10-13 | 2010-09-07 | 주식회사 하이닉스반도체 | Dll 회로 |
US7847643B2 (en) | 2008-11-07 | 2010-12-07 | Infineon Technologies Ag | Circuit with multiphase oscillator |
DE102008057445B4 (de) * | 2008-11-14 | 2020-10-08 | Phoenix Contact Gmbh & Co. Kg | Feldbussystem mit Spread-Spektrum |
JP5494911B2 (ja) * | 2009-02-16 | 2014-05-21 | 日本電気株式会社 | リングオシレータ |
JP5298953B2 (ja) * | 2009-03-02 | 2013-09-25 | 日本テキサス・インスツルメンツ株式会社 | ディザ処理型クロック発生器 |
DE102009001370B4 (de) * | 2009-03-06 | 2018-08-23 | Robert Bosch Gmbh | Empfangseinrichtung zum Aufnehmen von Stromsignalen, Schaltungsanordnung mit einer Empfangseinrichtung und Verfahren zum Übertragen von Stromsignalen über ein Bussystem |
GB201003703D0 (en) * | 2010-03-05 | 2010-04-21 | Icera Inc | Method and device for sending signals between a radio frequency circuit and a baseband circuit |
JP4666670B2 (ja) * | 2010-06-08 | 2011-04-06 | ルネサスエレクトロニクス株式会社 | 通信装置及びその折り返し試験方法 |
JP5896503B2 (ja) | 2010-08-03 | 2016-03-30 | ザインエレクトロニクス株式会社 | 送信装置、受信装置および送受信システム |
US8368435B2 (en) * | 2010-08-13 | 2013-02-05 | Mindspeed Technologies, Inc. | Method and apparatus for jitter reduction |
JP5598161B2 (ja) * | 2010-08-26 | 2014-10-01 | ヤマハ株式会社 | クロック発生回路 |
US8699642B2 (en) * | 2010-12-22 | 2014-04-15 | Intel Corporation | Platform RFI mitigation |
JP5672092B2 (ja) * | 2011-03-17 | 2015-02-18 | 株式会社リコー | スペクトラム拡散クロック発生回路 |
JP5799536B2 (ja) * | 2011-03-17 | 2015-10-28 | 株式会社リコー | フラクショナルpll回路 |
US8664985B2 (en) * | 2012-02-02 | 2014-03-04 | Mediatek Inc. | Phase frequency detector and charge pump for phase lock loop fast-locking |
US8934598B2 (en) | 2012-04-09 | 2015-01-13 | Mindspeed Technologies, Inc. | Integrated video equalizer and jitter cleaner |
KR102139976B1 (ko) * | 2013-11-25 | 2020-08-03 | 삼성전자주식회사 | 리더 수신기 및 이를 포함하는 리더 송수신 장치 |
JP6612500B2 (ja) * | 2014-12-16 | 2019-11-27 | 株式会社メガチップス | クロック生成回路 |
US9729157B2 (en) | 2015-02-13 | 2017-08-08 | Macom Technology Solutions Holdings, Inc. | Variable clock phase generation method and system |
US9450788B1 (en) | 2015-05-07 | 2016-09-20 | Macom Technology Solutions Holdings, Inc. | Equalizer for high speed serial data links and method of initialization |
CN105163570B (zh) * | 2015-08-13 | 2018-03-23 | 硅谷数模半导体(北京)有限公司 | 抗电磁干扰方法和装置 |
CN108781073B (zh) * | 2016-03-03 | 2022-06-14 | 高通股份有限公司 | 用于稳健的锁相环设计的方法 |
CN107395166B (zh) * | 2017-07-18 | 2020-06-23 | 中国电子科技集团公司第二十四研究所 | 基于延迟锁相的时钟占空比稳定电路 |
US10341082B1 (en) * | 2018-02-27 | 2019-07-02 | Texas Instruments Incorporated | Delay modulated clock division |
US11714127B2 (en) | 2018-06-12 | 2023-08-01 | International Business Machines Corporation | On-chip spread spectrum characterization |
CN110007712B (zh) * | 2019-03-28 | 2020-12-01 | 深圳忆联信息系统有限公司 | 用于降低数字时钟频率误差的方法、装置、计算机设备及存储介质 |
US11438064B2 (en) | 2020-01-10 | 2022-09-06 | Macom Technology Solutions Holdings, Inc. | Optimal equalization partitioning |
US11575437B2 (en) | 2020-01-10 | 2023-02-07 | Macom Technology Solutions Holdings, Inc. | Optimal equalization partitioning |
US10965295B1 (en) * | 2020-05-07 | 2021-03-30 | Shenzhen GOODIX Technology Co., Ltd. | Integer boundary spur mitigation for fractional PLL frequency synthesizers |
US11616529B2 (en) | 2021-02-12 | 2023-03-28 | Macom Technology Solutions Holdings, Inc. | Adaptive cable equalizer |
US11693446B2 (en) | 2021-10-20 | 2023-07-04 | International Business Machines Corporation | On-chip spread spectrum synchronization between spread spectrum sources |
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JPH07107240A (ja) * | 1993-09-29 | 1995-04-21 | Ricoh Co Ltd | 画素クロック発生装置 |
JPH09326692A (ja) * | 1996-06-04 | 1997-12-16 | Texas Instr Japan Ltd | 位相同期ループ回路 |
JP3305587B2 (ja) * | 1996-07-18 | 2002-07-22 | 松下電器産業株式会社 | ディジタル遅延制御クロック発生器及びこのクロック発生器を使用する遅延ロックループ |
US5889436A (en) * | 1996-11-01 | 1999-03-30 | National Semiconductor Corporation | Phase locked loop fractional pulse swallowing frequency synthesizer |
US6377646B1 (en) * | 1997-07-21 | 2002-04-23 | Cypress Semiconductor Corp. | Spread spectrum at phase lock loop (PLL) feedback path |
US6369624B1 (en) * | 1998-11-03 | 2002-04-09 | Altera Corporation | Programmable phase shift circuitry |
US6100735A (en) * | 1998-11-19 | 2000-08-08 | Centillium Communications, Inc. | Segmented dual delay-locked loop for precise variable-phase clock generation |
JP2000165905A (ja) * | 1998-11-27 | 2000-06-16 | Mitsubishi Electric Corp | クロック発生回路 |
US6791379B1 (en) * | 1998-12-07 | 2004-09-14 | Broadcom Corporation | Low jitter high phase resolution PLL-based timing recovery system |
US6292507B1 (en) * | 1999-09-01 | 2001-09-18 | Lexmark International, Inc. | Method and apparatus for compensating a spread spectrum clock generator |
JP3769718B2 (ja) * | 1999-09-13 | 2006-04-26 | ローム株式会社 | 電圧制御発振回路 |
JP2001202153A (ja) * | 2000-01-20 | 2001-07-27 | Matsushita Electric Ind Co Ltd | クロックのスペクトラム拡散回路、集積回路およびクロックのスペクトラム拡散方法 |
JP3772668B2 (ja) * | 2000-11-28 | 2006-05-10 | セイコーエプソン株式会社 | 位相同期ループを用いた発振回路 |
JP2002252559A (ja) * | 2001-02-23 | 2002-09-06 | Rohm Co Ltd | 基準クロック生成システム |
JP3619466B2 (ja) * | 2001-03-27 | 2005-02-09 | 松下電器産業株式会社 | 半導体装置 |
US6642800B2 (en) * | 2002-04-04 | 2003-11-04 | Ati Technologies, Inc. | Spurious-free fractional-N frequency synthesizer with multi-phase network circuit |
-
2003
- 2003-06-23 JP JP2003178416A patent/JP4660076B2/ja not_active Expired - Fee Related
-
2004
- 2004-06-02 TW TW93115736A patent/TWI243548B/zh not_active IP Right Cessation
- 2004-06-22 KR KR20040046561A patent/KR100629285B1/ko not_active IP Right Cessation
- 2004-06-23 CN CNB2004100597911A patent/CN100566173C/zh not_active Expired - Fee Related
- 2004-06-23 US US10/873,309 patent/US20040257124A1/en not_active Abandoned
-
2009
- 2009-02-04 US US12/365,321 patent/US20090141774A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104113283A (zh) * | 2013-04-22 | 2014-10-22 | 爱思开海力士有限公司 | 倍频器 |
CN104113283B (zh) * | 2013-04-22 | 2018-05-04 | 爱思开海力士有限公司 | 倍频器 |
Also Published As
Publication number | Publication date |
---|---|
US20090141774A1 (en) | 2009-06-04 |
JP4660076B2 (ja) | 2011-03-30 |
TWI243548B (en) | 2005-11-11 |
CN1574641A (zh) | 2005-02-02 |
TW200501618A (en) | 2005-01-01 |
JP2005020083A (ja) | 2005-01-20 |
KR100629285B1 (ko) | 2006-09-28 |
US20040257124A1 (en) | 2004-12-23 |
KR20050000335A (ko) | 2005-01-03 |
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Effective date of registration: 20101019 Address after: Kawasaki, Kanagawa, Japan Co-patentee after: Renesas LSI Design Co., Ltd. Patentee after: Renesas Electronics Corporation Address before: Tokyo, Japan, Japan Co-patentee before: Renesas LSI Design Co., Ltd. Patentee before: Renesas Technology Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20140623 |
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EXPY | Termination of patent right or utility model |