TW419899B - Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof - Google Patents

Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof Download PDF

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Publication number
TW419899B
TW419899B TW088105786A TW88105786A TW419899B TW 419899 B TW419899 B TW 419899B TW 088105786 A TW088105786 A TW 088105786A TW 88105786 A TW88105786 A TW 88105786A TW 419899 B TW419899 B TW 419899B
Authority
TW
Taiwan
Prior art keywords
circuit
current
output
signal
transistor
Prior art date
Application number
TW088105786A
Other languages
English (en)
Chinese (zh)
Inventor
Chang-Ku Hwang
Masaru Kokubo
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of TW419899B publication Critical patent/TW419899B/zh

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • 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
    • 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
    • H03L7/0893—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 the up-down pulses controlling at least two source current generators or at least two sink current generators connected to different points 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
    • 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
    • H03L7/0896—Details of the current generators the current generators being controlled by differential up-down pulses

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Dram (AREA)
TW088105786A 1998-04-13 1999-04-12 Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof TW419899B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10142398A JP4167747B2 (ja) 1998-04-13 1998-04-13 周波数可変発振回路及びそれを用いた位相同期回路

Publications (1)

Publication Number Publication Date
TW419899B true TW419899B (en) 2001-01-21

Family

ID=14300311

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088105786A TW419899B (en) 1998-04-13 1999-04-12 Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof

Country Status (4)

Country Link
US (2) US6215364B1 (enExample)
JP (1) JP4167747B2 (enExample)
KR (1) KR100616066B1 (enExample)
TW (1) TW419899B (enExample)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
US7714555B2 (en) 2006-06-06 2010-05-11 Realtek Semiconductor Corp. Switching regulation device and related method with over-current protection
US8067988B2 (en) 2009-02-20 2011-11-29 Sunplus Technology Co., Ltd. Low jitter and wide-range frequency synthesizer for low voltage operation
CN101820282B (zh) * 2009-02-27 2013-05-01 凌阳科技股份有限公司 低抖动、宽操作频带及适合低电压操作的频率合成系统

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JP4167747B2 (ja) * 1998-04-13 2008-10-22 株式会社ルネサステクノロジ 周波数可変発振回路及びそれを用いた位相同期回路
US8132105B1 (en) 2000-10-10 2012-03-06 Koninklijke Philips Electronics, N.V. Control codes for programmable remote supplied in XML format
JP2002176340A (ja) * 2000-12-06 2002-06-21 Toshiba Corp 遅延回路及び電圧制御発振回路
US20020184577A1 (en) * 2001-05-29 2002-12-05 James Chow Precision closed loop delay line for wide frequency data recovery
WO2003017487A1 (en) * 2001-08-16 2003-02-27 Koninklijke Philips Electronics N.V. Ring oscillator stage
JP3808338B2 (ja) * 2001-08-30 2006-08-09 株式会社ルネサステクノロジ 位相同期回路
JP3898694B2 (ja) * 2001-10-02 2007-03-28 株式会社日立製作所 シリアルデータ伝送装置
DE10149769A1 (de) 2001-10-09 2003-04-17 Philips Corp Intellectual Pty Digital schaltbare Stromquelle
US6690242B2 (en) * 2001-12-21 2004-02-10 Texas Instruments Incorporated Delay circuit with current steering output symmetry and supply voltage insensitivity
KR100399585B1 (ko) * 2002-09-12 2003-09-26 (주) 가인테크 상보성 트랜지스터를 이용한 전압 제어 발진기
KR100975990B1 (ko) 2003-03-17 2010-08-13 매그나칩 반도체 유한회사 가변주파수 발진기
US6794918B1 (en) * 2003-03-27 2004-09-21 Applied Micro Circuits Corporation Loop-back clock phase generator
EP1654629B1 (en) * 2003-08-14 2011-01-19 Infineon Technologies AG Modifying clock signals output by an integrated circuit
US6952124B2 (en) * 2003-09-15 2005-10-04 Silicon Bridge, Inc. Phase locked loop circuit with self adjusted tuning hiep the pham
US6946917B2 (en) * 2003-11-25 2005-09-20 Texas Instruments Incorporated Generating an oscillating signal according to a control current
KR100647385B1 (ko) * 2004-01-02 2006-11-17 주식회사 하이닉스반도체 전압 제어 발진기 및 이를 적용한 위상 고정 루프회로
US7161970B2 (en) * 2004-09-10 2007-01-09 Ftd Solutions Pte, Ltd. Spread spectrum clock generator
JP2006303554A (ja) 2005-04-15 2006-11-02 Renesas Technology Corp 論理レベル変換回路及びそれを用いた位相同期回路
KR100646245B1 (ko) 2005-12-26 2006-11-23 엘지전자 주식회사 디지털로 제어되는 주파수 발생기.
DE102006020485B4 (de) * 2006-04-28 2019-07-04 Atmel Corp. Operationsverstärker
JP4991193B2 (ja) 2006-07-04 2012-08-01 株式会社日立製作所 周波数可変発振器
US7737795B2 (en) * 2006-11-30 2010-06-15 Rangan Giri N K Voltage controlled oscillator
KR100839499B1 (ko) * 2006-12-22 2008-06-19 삼성전자주식회사 딜레이 제어 장치 및 방법
TWI358902B (en) * 2007-12-31 2012-02-21 Ind Tech Res Inst Signal delay circuit
CN103098372B (zh) * 2010-08-24 2016-03-02 马维尔国际贸易有限公司 低噪声cmos环型振荡器
US8816782B2 (en) 2011-05-10 2014-08-26 Freescale Semiconductor, Inc. Phase locked loop circuit having a voltage controlled oscillator with improved bandwidth
TWI554037B (zh) * 2015-04-16 2016-10-11 群聯電子股份有限公司 時脈資料回復電路模組、記憶體儲存裝置及相位鎖定方法
CN109104186A (zh) * 2018-06-11 2018-12-28 珠海市微半导体有限公司 一种pll电路及芯片
CN110943737B (zh) * 2018-09-21 2024-04-05 兆易创新科技集团股份有限公司 一种电荷泵系统及非易失存储器
WO2021230872A1 (en) * 2020-05-14 2021-11-18 Google Llc Rendering video having dynamic components
CN111628767B (zh) * 2020-06-24 2022-09-02 展讯通信（上海）有限公司 初始控制电压产生电路
KR102759990B1 (ko) * 2022-06-23 2025-01-23 창신 메모리 테크놀로지즈 아이엔씨 데이터 수신 회로, 데이터 수신 시스템 및 저장 장치
WO2025121135A1 (ja) * 2023-12-07 2025-06-12 ソニーセミコンダクタソリューションズ株式会社 分周回路、発振器、および電子機器

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US5635878A (en) * 1995-10-20 1997-06-03 United Microelectronics Corporation Differential-type voltage-controlled oscillator with low-frequency stability compensation
US5896069A (en) * 1995-12-08 1999-04-20 Cypress Semiconductor Corp. Cross coupled differential oscillator
JP4167747B2 (ja) * 1998-04-13 2008-10-22 株式会社ルネサステクノロジ 周波数可変発振回路及びそれを用いた位相同期回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7714555B2 (en) 2006-06-06 2010-05-11 Realtek Semiconductor Corp. Switching regulation device and related method with over-current protection
US8067988B2 (en) 2009-02-20 2011-11-29 Sunplus Technology Co., Ltd. Low jitter and wide-range frequency synthesizer for low voltage operation
CN101820282B (zh) * 2009-02-27 2013-05-01 凌阳科技股份有限公司 低抖动、宽操作频带及适合低电压操作的频率合成系统

Also Published As

Publication number Publication date
KR100616066B1 (ko) 2006-08-28
JP4167747B2 (ja) 2008-10-22
KR19990083138A (ko) 1999-11-25
US20010002115A1 (en) 2001-05-31
JPH11298302A (ja) 1999-10-29
US6215364B1 (en) 2001-04-10
US6535070B2 (en) 2003-03-18

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