CN101677244B - 用于pll/dll的高输出阻抗电荷泵 - Google Patents

用于pll/dll的高输出阻抗电荷泵 Download PDF

Info

Publication number
CN101677244B
CN101677244B CN200910204669.1A CN200910204669A CN101677244B CN 101677244 B CN101677244 B CN 101677244B CN 200910204669 A CN200910204669 A CN 200910204669A CN 101677244 B CN101677244 B CN 101677244B
Authority
CN
China
Prior art keywords
pull
charge pump
circuit
transistor
current
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN200910204669.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN101677244A (zh
Inventor
迪特尔·黑勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Examine Vincent Zhi Cai Management Co
Original Assignee
Examine Vincent Zhi Cai Management Co
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 Examine Vincent Zhi Cai Management Co filed Critical Examine Vincent Zhi Cai Management Co
Publication of CN101677244A publication Critical patent/CN101677244A/zh
Application granted granted Critical
Publication of CN101677244B publication Critical patent/CN101677244B/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089Details 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
    • H03L7/0891Details 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
    • H03L7/0895Details of the current generators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/081Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/081Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0816Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093Details 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Dc-Dc Converters (AREA)
CN200910204669.1A 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵 Expired - Lifetime CN101677244B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52895803P 2003-12-11 2003-12-11
US60/528,958 2003-12-11
CN200480037036A CN100593908C (zh) 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN200480037036A Division CN100593908C (zh) 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵

Publications (2)

Publication Number Publication Date
CN101677244A CN101677244A (zh) 2010-03-24
CN101677244B true CN101677244B (zh) 2017-08-04

Family

ID=34676868

Family Applications (2)

Application Number Title Priority Date Filing Date
CN200910204669.1A Expired - Lifetime CN101677244B (zh) 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵
CN200480037036A Expired - Lifetime CN100593908C (zh) 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN200480037036A Expired - Lifetime CN100593908C (zh) 2003-12-11 2004-12-10 用于pll/dll的高输出阻抗电荷泵

Country Status (6)

Country Link
US (9) US7176733B2 (enExample)
EP (2) EP3512102B1 (enExample)
JP (2) JP4914219B2 (enExample)
KR (3) KR100968296B1 (enExample)
CN (2) CN101677244B (enExample)
WO (1) WO2005057791A1 (enExample)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100968296B1 (ko) * 2003-12-11 2010-07-07 모사이드 테크놀로지스, 인코포레이티드 Pll/dll의 고출력 임피던스 충전 펌프
JP4249042B2 (ja) * 2004-01-22 2009-04-02 三菱電機株式会社 差動チャージポンプ用オフセットキャンセル装置
US7382178B2 (en) * 2004-07-09 2008-06-03 Mosaid Technologies Corporation Systems and methods for minimizing static leakage of an integrated circuit
US7102400B1 (en) * 2004-08-30 2006-09-05 Sitel Semiconductor B.V. Phase locked loop charge pump and method of operation
US7236018B1 (en) * 2004-09-08 2007-06-26 Altera Corporation Programmable low-voltage differential signaling output driver
US7141936B2 (en) * 2004-11-10 2006-11-28 Xerox Corporation Driving circuit for light emitting diode
US7750695B2 (en) * 2004-12-13 2010-07-06 Mosaid Technologies Incorporated Phase-locked loop circuitry using charge pumps with current mirror circuitry
US7190201B2 (en) 2005-02-03 2007-03-13 Mosaid Technologies, Inc. Method and apparatus for initializing a delay locked loop
WO2007000712A1 (en) * 2005-06-29 2007-01-04 Nxp B.V. Synchronization scheme with adaptive reference frequency correction
US7567133B2 (en) * 2006-04-06 2009-07-28 Mosaid Technologies Corporation Phase-locked loop filter capacitance with a drag current
JP2007295180A (ja) * 2006-04-24 2007-11-08 Kawasaki Microelectronics Kk チャージポンプ回路、それを用いたpll回路及びdll回路
KR100843200B1 (ko) * 2006-08-22 2008-07-02 삼성전자주식회사 전류 부스팅 회로를 구비하는 적응적 대역폭 위상 고정루프 장치
US7915933B2 (en) * 2006-11-30 2011-03-29 Mosaid Technologies Incorporated Circuit for clamping current in a charge pump
TWI415393B (zh) 2007-01-30 2013-11-11 Mosaid Technologies Inc 延遲鎖定迴路/鎖相迴路中之相移
US7511580B2 (en) * 2007-03-25 2009-03-31 Smartech Worldwide Limited Charge pump circuit with dynamic current biasing for phase locked loop
US20080303565A1 (en) * 2007-06-08 2008-12-11 Yen-Hsun Hsu Dll circuit and related method for avoiding stuck state and harmonic locking utilizing a frequency divider and an inverter
US7583116B2 (en) * 2007-08-03 2009-09-01 International Business Machines Corporation High output resistance, wide swing charge pump
US7701270B2 (en) * 2007-08-03 2010-04-20 International Business Machines Corporation Structure for a high output resistance, wide swing charge pump
US7771115B2 (en) * 2007-08-16 2010-08-10 Micron Technology, Inc. Temperature sensor circuit, device, system, and method
US7977984B1 (en) * 2007-10-13 2011-07-12 Altera Corporation High-speed charge pump circuits
US8018269B2 (en) 2007-11-13 2011-09-13 Qualcomm Incorporated Fast-switching low-noise charge pump
JP5092770B2 (ja) * 2008-01-29 2012-12-05 富士通セミコンダクター株式会社 位相ロックループ回路及び遅延ロックループ回路
US7705649B1 (en) * 2008-04-03 2010-04-27 National Semiconductor Corporation Duty cycle correction circuit with small duty error and wide frequency range
CN101488710B (zh) * 2008-10-22 2012-06-13 成都国腾电子技术股份有限公司 一种电荷泵电路
JP2010239554A (ja) * 2009-03-31 2010-10-21 Nec Corp チャージポンプ、周波数シンセサイザ、及び、制御方法
US7965117B2 (en) * 2009-05-06 2011-06-21 Freescale Semiconductor, Inc. Charge pump for phase locked loop
US20100308899A1 (en) * 2009-06-04 2010-12-09 Pericom Semiconductor Corp. Dual-Output Triple-Vdd Charge Pump
CN101572481B (zh) * 2009-06-11 2014-03-26 四川和芯微电子股份有限公司 一种电荷泵电路
US8525564B2 (en) * 2010-10-20 2013-09-03 University Of Southern California Charge-based phase locked loop charge pump
US8400199B2 (en) 2010-11-26 2013-03-19 Mediatek Inc. Charge pump, phase frequency detector and charge pump methods
US8378725B2 (en) 2011-03-14 2013-02-19 Freescale Semiconductor, Inc. Adaptive bandwidth phase-locked loop
US8427210B2 (en) * 2011-07-26 2013-04-23 United Microelectronics Corp. Charge pump
US8368442B1 (en) * 2011-08-15 2013-02-05 United Microelectronics Corp. Charge pump
TWI451700B (zh) * 2011-12-05 2014-09-01 Global Unichip Corp 時脈資料回復電路
US8432200B1 (en) 2012-01-05 2013-04-30 Freescale Semiconductor, Inc. Self-tracking adaptive bandwidth phase-locked loop
US8432201B1 (en) * 2012-05-19 2013-04-30 Freescale Semiconductor, Inc. Phase-locked loop (PLL) circuit
TWI499215B (zh) * 2012-10-17 2015-09-01 Mstar Semiconductor Inc 充放電電路以及使用此充放電電路的鎖相迴路電路
US8760202B1 (en) 2013-05-15 2014-06-24 Freescale Semiconductor, Inc. System for generating clock signal
CN103346784B (zh) * 2013-06-18 2016-04-13 成都嘉纳海威科技有限责任公司 一种用于锁相环的匹配型电荷泵电路
CN103368565A (zh) * 2013-07-10 2013-10-23 成都锐成芯微科技有限责任公司 一种限频压控振荡器
KR102081394B1 (ko) * 2013-12-30 2020-02-26 에스케이하이닉스 주식회사 반도체 장치
US20150200588A1 (en) * 2014-01-16 2015-07-16 Qualcomm Incorporated Low-power, self-biasing-capable charge pump with current matching capabilities
TWI547097B (zh) * 2014-07-24 2016-08-21 登豐微電子股份有限公司 延時電路
CN104811189A (zh) * 2015-05-14 2015-07-29 东南大学 一种电荷泵锁相环中的电荷泵电路
US9634561B1 (en) 2016-01-07 2017-04-25 Freescale Semiconductor, Inc. Programmable charge pump
US9991896B2 (en) * 2016-08-09 2018-06-05 Synopsys, Inc. Phase locked loop circuit with charge pump up-down current mismatch adjustment and static phase error reduction
CN108448891A (zh) * 2018-04-23 2018-08-24 电子科技大学 一种基于电荷泵结构的稳压电路
US10496127B1 (en) * 2018-06-04 2019-12-03 Linear Technology Holding Llc Multi-chip timing alignment to a common reference signal
US10623007B1 (en) 2019-01-08 2020-04-14 Apple Inc. Energy-efficient charge pump design for phase-locked loops
US11545984B2 (en) * 2020-06-10 2023-01-03 Sandisk Technologies Llc Charge pump with wide current range
CN114301451A (zh) * 2021-12-31 2022-04-08 合肥市芯海电子科技有限公司 锁相环电路、控制方法、电荷泵及芯片
CN114978158B (zh) * 2022-05-17 2025-10-28 中国科学技术大学 用于锁相环的电荷泵电路
US12308847B2 (en) * 2023-06-21 2025-05-20 International Business Machines Corporation Dual loop charge pump for enhanced reliability and power consumption
US20250317055A1 (en) * 2024-04-04 2025-10-09 Qualcomm Incorporated Duty cycle corrector systematic offset reduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229362B1 (en) * 1998-07-29 2001-05-08 Samsung Electronics, Co. Ltd. Charge pump for adaptively controlling current offset
EP1292033A1 (en) * 2001-09-10 2003-03-12 Nec Corporation Charge pump current compensating circuit
EP1693967A1 (en) * 2003-12-10 2006-08-23 Matsushita Electric Industrial Co., Ltd. Delta-sigma type fraction division pll synthesizer

Family Cites Families (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8329511D0 (en) * 1983-11-04 1983-12-07 Inmos Ltd Timing apparatus
KR940011436B1 (ko) 1989-04-19 1994-12-15 가부시끼가이샤 히다찌세이사꾸쇼 자기디스크 기억장치
GB2249443B (en) 1990-10-31 1994-06-08 Gen Electric Co Plc Charge pump circuit
US5233314A (en) * 1992-03-27 1993-08-03 Cyrix Corporation Integrated charge-pump phase-locked loop circuit
US5362990A (en) * 1993-06-02 1994-11-08 Motorola, Inc. Charge pump with a programmable pump current and system
JPH0818414A (ja) * 1994-04-26 1996-01-19 Hitachi Ltd 信号処理用遅延回路
US5796673A (en) 1994-10-06 1998-08-18 Mosaid Technologies Incorporated Delay locked loop implementation in a synchronous dynamic random access memory
US5473283A (en) * 1994-11-07 1995-12-05 National Semiconductor Corporation Cascode switched charge pump circuit
GB2339638B (en) * 1995-04-11 2000-03-22 Int Rectifier Corp Charge pump circuit for high side switch
EP0755120A1 (en) 1995-07-18 1997-01-22 Nec Corporation Phase-locked loop circuit
JP3446425B2 (ja) * 1995-10-20 2003-09-16 三菱電機株式会社 周波数同期回路
JP2845185B2 (ja) * 1995-11-29 1999-01-13 日本電気株式会社 Pll回路
US5604694A (en) * 1996-01-16 1997-02-18 Vlsi Technology, Inc. Charge pump addressing
JPH09331250A (ja) * 1996-06-12 1997-12-22 Fujitsu Ltd チャージポンプ回路及びpll周波数シンセサイザ
EP0837558A1 (en) * 1996-10-18 1998-04-22 Hewlett-Packard Company A CMOS op-amp input stage with constant small signal gain from rail-to-rail
US5831484A (en) 1997-03-18 1998-11-03 International Business Machines Corporation Differential charge pump for phase locked loop circuits
GB2324423B (en) 1997-04-16 1999-07-21 Lsi Logic Corp Charge pump
CA2204089C (en) 1997-04-30 2001-08-07 Mosaid Technologies Incorporated Digital delay locked loop
JPH118553A (ja) * 1997-06-16 1999-01-12 Hitachi Ltd Pll回路及び半導体集積回路
US5933037A (en) * 1997-08-29 1999-08-03 Adaptec, Inc. High speed phase lock loop having constant bandwidth
US5945855A (en) 1997-08-29 1999-08-31 Adaptec, Inc. High speed phase lock loop having high precision charge pump with error cancellation
US6124755A (en) * 1997-09-29 2000-09-26 Intel Corporation Method and apparatus for biasing a charge pump
US5939949A (en) 1998-03-16 1999-08-17 National Semiconductor Corporation Self-adjusting startup control for charge pump current source in phase locked loop
KR19990080026A (ko) * 1998-04-11 1999-11-05 윤종용 위상 동기 루프 회로의 챠지 펌프
US6172571B1 (en) 1998-07-28 2001-01-09 Cypress Semiconductor Corp. Method for reducing static phase offset in a PLL
US6329872B1 (en) 1998-08-14 2001-12-11 Nortel Networks Limited Charge pump circuit for a phase locked loop
US6181210B1 (en) 1998-09-21 2001-01-30 Broadcom Corporation Low offset and low glitch energy charge pump for PLL-based timing recovery systems
US6369624B1 (en) * 1998-11-03 2002-04-09 Altera Corporation Programmable phase shift circuitry
US6163184A (en) 1998-12-09 2000-12-19 Lucent Technologies, Inc. Phase locked loop (PLL) circuit
US20020041196A1 (en) * 1999-02-12 2002-04-11 Paul Demone Delay locked loop
JP2000295098A (ja) 1999-04-06 2000-10-20 Oki Electric Ind Co Ltd フェーズロックループ回路
US6160432A (en) * 1999-04-30 2000-12-12 Conexant Systems, Inc. Source-switched or gate-switched charge pump having cascoded output
DE19939104A1 (de) 1999-08-18 2001-07-19 Infineon Technologies Ag Ladungspumpe
US6201435B1 (en) 1999-08-26 2001-03-13 Taiwan Semiconductor Manufacturing Company Low-power start-up circuit for a reference voltage generator
US6316987B1 (en) * 1999-10-22 2001-11-13 Velio Communications, Inc. Low-power low-jitter variable delay timing circuit
KR100341622B1 (ko) * 1999-12-17 2002-06-22 윤덕용 차동 차지펌프를 이용한 위상동기루프의 필터부
US6278332B1 (en) * 2000-02-15 2001-08-21 Agere Systems Guardian Corp. Charge pump for low-voltage, low-jitter phase locked loops
CN1268060C (zh) * 2000-06-05 2006-08-02 三菱电机株式会社 时钟同步装置
KR100374631B1 (ko) * 2000-06-09 2003-03-04 삼성전자주식회사 전하펌프 회로
US6407600B1 (en) * 2000-06-27 2002-06-18 Intel Corporation Method and apparatus for providing a start-up control voltage
JP4449193B2 (ja) * 2000-08-01 2010-04-14 ソニー株式会社 遅延回路、電圧制御遅延回路、電圧制御発振回路、遅延調整回路、dll回路及びpll回路
US6396334B1 (en) * 2000-08-28 2002-05-28 Marvell International, Ltd. Charge pump for reference voltages in analog to digital converter
FR2813720B1 (fr) * 2000-09-05 2002-12-13 Electricite De France Procede et dispositif de commande d'alimentation
JP4407031B2 (ja) * 2000-09-21 2010-02-03 ソニー株式会社 位相同期ループ回路および遅延同期ループ回路
US6624668B1 (en) 2000-11-08 2003-09-23 Xilinx, Inc. Digitally programmable phase-lock loop for high-speed data communications
US6466070B1 (en) 2000-12-21 2002-10-15 Xilinx, Inc. Low voltage charge pump
JP2002217723A (ja) 2001-01-23 2002-08-02 Mitsubishi Electric Corp 小数点分周方式pll周波数シンセサイザ
AU2002240163A1 (en) 2001-01-26 2002-08-06 John George Maneatis Phase-locked loop with conditioned charge pump output
US6441660B1 (en) 2001-02-02 2002-08-27 Broadcom Corporation High speed, wide bandwidth phase locked loop
US6617936B2 (en) * 2001-02-20 2003-09-09 Velio Communications, Inc. Phase controlled oscillator
JP2002305445A (ja) * 2001-04-06 2002-10-18 Seiko Epson Corp Pll回路
US6466078B1 (en) 2001-05-04 2002-10-15 Cypress Semiconductor Corp. Reduced static phase error CMOS PLL charge pump
US6744277B1 (en) 2001-05-06 2004-06-01 Altera Corporation Programmable current reference circuit
US6512404B2 (en) 2001-05-25 2003-01-28 Infineon Technologies Ag Low voltage charge pump for use in a phase locked loop
US20030038661A1 (en) 2001-07-27 2003-02-27 Ramesh Chokkalingam Apparatus to decrease the spurs level in a phase-locked loop
NL1021440C2 (nl) * 2001-09-28 2004-07-15 Samsung Electronics Co Ltd Vertragingsvergrendelde lus met meervoudige fasen.
US6952126B2 (en) 2001-09-29 2005-10-04 Berkana Wireless, Inc. Charge pump circuit for a PLL
US6636098B1 (en) 2001-12-05 2003-10-21 Rambus Inc. Differential integrator and related circuitry
KR100739998B1 (ko) * 2001-12-20 2007-07-16 매그나칩 반도체 유한회사 전압제어발진기의 자동보정장치를 구비한 위상동기루프
US20040135640A1 (en) 2002-01-28 2004-07-15 Maneatis John G. Phase-locked loop with conditioned charge pump output
US6741110B2 (en) * 2002-05-28 2004-05-25 Lsi Logic Corporation Method and/or circuit for generating precision programmable multiple phase angle clocks
FR2841406A1 (fr) * 2002-06-25 2003-12-26 St Microelectronics Sa Circuit dephaseur variable,interpolateur de phase l'incorporant, et synthetiseur de frequence numerique incorpoant un tel interpolateur
US7382849B1 (en) * 2002-08-24 2008-06-03 Sequoia Communications Charge pump circuit
US6771102B2 (en) 2002-08-30 2004-08-03 Intel Corporation Common mode feedback technique for a low voltage charge pump
US6664829B1 (en) * 2002-09-04 2003-12-16 National Semiconductor Corporation Charge pump using dynamic charge balance compensation circuit and method of operation
US20040066220A1 (en) 2002-10-03 2004-04-08 Chun-Chieh Chen High-speed high-current programmable charge-pump circuit
US6744292B2 (en) * 2002-10-25 2004-06-01 Exar Corporation Loop filter capacitor multiplication in a charge pump circuit
US7158601B1 (en) 2002-10-28 2007-01-02 Cypress Semiconductor Corporation Clock data recovery method and circuit for network communication
US7161436B2 (en) 2002-11-27 2007-01-09 Mediatek Inc. Charge pump structure for reducing capacitance in loop filter of a phase locked loop
JP4059077B2 (ja) 2002-12-26 2008-03-12 ソニー株式会社 チャージポンプ及びそれを用いたpll回路
KR100546344B1 (ko) 2003-07-18 2006-01-26 학교법인고려중앙학원 다중 레벨 전압 전류 변환부를 갖는 위상 고정루프(Phase-Lock-Loop) 및 이를 이용한 클럭위상 동기 방법
US6963232B2 (en) 2003-08-11 2005-11-08 Rambus, Inc. Compensator for leakage through loop filter capacitors in phase-locked loops
US7092689B1 (en) * 2003-09-11 2006-08-15 Xilinx Inc. Charge pump having sampling point adjustment
US7123075B2 (en) 2003-09-26 2006-10-17 Teradyne, Inc. Current mirror compensation using channel length modulation
US6876244B1 (en) 2003-10-16 2005-04-05 Micrel, Incorporated Differential charge pump
JP3795884B2 (ja) 2003-10-17 2006-07-12 Necエレクトロニクス株式会社 Pll回路
KR100968296B1 (ko) * 2003-12-11 2010-07-07 모사이드 테크놀로지스, 인코포레이티드 Pll/dll의 고출력 임피던스 충전 펌프
US7285995B2 (en) 2004-02-02 2007-10-23 Toshiba America Electronic Components, Inc. Charge pump
US6980038B2 (en) 2004-05-06 2005-12-27 International Business Machines Corporation Circuit for compensating charge leakage in a low pass filter capacitor of PLL systems
KR100538702B1 (ko) 2004-08-02 2005-12-23 삼성전자주식회사 업/다운 전류 불균형을 제거한 차지 펌핑 방법 및 이를수행하기 위한 차지 펌프
US7102400B1 (en) 2004-08-30 2006-09-05 Sitel Semiconductor B.V. Phase locked loop charge pump and method of operation
US7167037B2 (en) 2005-06-07 2007-01-23 Northrop Grumman Corporation Charge pump bias network
DE102010013958A1 (de) * 2010-04-06 2011-10-06 Siemens Aktiengesellschaft Differenzverstärker mit einem Rail-to-Rail-Eingangsspannungsbereich

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229362B1 (en) * 1998-07-29 2001-05-08 Samsung Electronics, Co. Ltd. Charge pump for adaptively controlling current offset
EP1292033A1 (en) * 2001-09-10 2003-03-12 Nec Corporation Charge pump current compensating circuit
EP1693967A1 (en) * 2003-12-10 2006-08-23 Matsushita Electric Industrial Co., Ltd. Delta-sigma type fraction division pll synthesizer

Also Published As

Publication number Publication date
JP5118760B2 (ja) 2013-01-16
CN100593908C (zh) 2010-03-10
USRE47715E1 (en) 2019-11-05
US8222937B2 (en) 2012-07-17
US7408391B2 (en) 2008-08-05
US20110102034A1 (en) 2011-05-05
CN101677244A (zh) 2010-03-24
KR20090115894A (ko) 2009-11-09
US7176733B2 (en) 2007-02-13
US7616035B2 (en) 2009-11-10
KR101099947B1 (ko) 2011-12-28
JP2011182467A (ja) 2011-09-15
KR100968296B1 (ko) 2010-07-07
KR100900864B1 (ko) 2009-06-04
USRE49018E1 (en) 2022-04-05
US7692461B2 (en) 2010-04-06
KR20090028655A (ko) 2009-03-18
US20090121760A1 (en) 2009-05-14
KR20060129251A (ko) 2006-12-15
US8049541B2 (en) 2011-11-01
US20070080729A1 (en) 2007-04-12
US20050162200A1 (en) 2005-07-28
US7893737B2 (en) 2011-02-22
US20100213994A1 (en) 2010-08-26
US20090201058A2 (en) 2009-08-13
EP3512102A1 (en) 2019-07-17
EP1692767A1 (en) 2006-08-23
JP4914219B2 (ja) 2012-04-11
US20080252342A1 (en) 2008-10-16
EP3512102B1 (en) 2021-01-20
US20120098581A1 (en) 2012-04-26
CN1902823A (zh) 2007-01-24
JP2007514348A (ja) 2007-05-31
WO2005057791A1 (en) 2005-06-23
EP1692767A4 (en) 2007-06-06
EP1692767B1 (en) 2019-02-27

Similar Documents

Publication Publication Date Title
CN101677244B (zh) 用于pll/dll的高输出阻抗电荷泵
KR100403694B1 (ko) 보상된지연로크된루프타이밍버니어
US8867685B2 (en) Delay-locked loop with dynamically biased charge pump
US6741110B2 (en) Method and/or circuit for generating precision programmable multiple phase angle clocks
US6882195B2 (en) Signal timing adjustment circuit with external resistor
HK1095015A (en) High output impedance charge pump for pll/dll
HK1095015B (en) High output impedance charge pump for pll/dll

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: Ontario, Canada

Applicant after: MOSAID TECHNOLOGIES Inc.

Address before: Ontario

Applicant before: MOSAID TECHNOLOGIES Inc.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: MOSAID TECH INC TO: CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC.

GR01 Patent grant
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20170804