CN1183677C - 带开关－电容电阻的pll环路滤波器 - Google Patents

带开关－电容电阻的pll环路滤波器 Download PDF

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Publication number
CN1183677C
CN1183677C CN00813738.2A CN00813738A CN1183677C CN 1183677 C CN1183677 C CN 1183677C CN 00813738 A CN00813738 A CN 00813738A CN 1183677 C CN1183677 C CN 1183677C
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CN
China
Prior art keywords
phase
circuit
locked loop
voltage
capacitor
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Expired - Fee Related
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CN00813738.2A
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English (en)
Chinese (zh)
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CN1377521A (zh
Inventor
N·克莱默
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Ericsson Inc
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Ericsson Inc
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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
    • H03L7/085—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
    • H03L7/085—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

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
CN00813738.2A 1999-10-01 2000-09-21 带开关－电容电阻的pll环路滤波器 Expired - Fee Related CN1183677C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/410308 1999-10-01
US09/410,308 US6420917B1 (en) 1999-10-01 1999-10-01 PLL loop filter with switched-capacitor resistor

Publications (2)

Publication Number Publication Date
CN1377521A CN1377521A (zh) 2002-10-30
CN1183677C true CN1183677C (zh) 2005-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN00813738.2A Expired - Fee Related CN1183677C (zh) 1999-10-01 2000-09-21 带开关－电容电阻的pll环路滤波器

Country Status (8)

Country Link
US (1) US6420917B1 (enExample)
EP (1) EP1216508B1 (enExample)
JP (1) JP2003517755A (enExample)
CN (1) CN1183677C (enExample)
AT (1) ATE284092T1 (enExample)
AU (1) AU4027301A (enExample)
DE (1) DE60016432T2 (enExample)
WO (1) WO2001026230A1 (enExample)

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US8593188B2 (en) 2012-02-20 2013-11-26 Texas Instruments Incorporated Apparatus to remove the loop filter resistor noise in charge-pump PLL
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CN102751964B (zh) * 2012-07-30 2015-02-11 无锡中科微电子工业技术研究院有限责任公司 一种可变阶数全集成环路滤波器
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US10254739B2 (en) 2012-09-28 2019-04-09 Mevion Medical Systems, Inc. Coil positioning system
JP6246216B2 (ja) 2012-09-28 2017-12-13 メビオン・メディカル・システムズ・インコーポレーテッド 粒子治療の制御
US9723705B2 (en) 2012-09-28 2017-08-01 Mevion Medical Systems, Inc. Controlling intensity of a particle beam
US9185789B2 (en) 2012-09-28 2015-11-10 Mevion Medical Systems, Inc. Magnetic shims to alter magnetic fields
CN108770178B (zh) 2012-09-28 2021-04-16 迈胜医疗设备有限公司 磁场再生器
WO2014052721A1 (en) 2012-09-28 2014-04-03 Mevion Medical Systems, Inc. Control system for a particle accelerator
US8927950B2 (en) 2012-09-28 2015-01-06 Mevion Medical Systems, Inc. Focusing a particle beam
EP3581242B1 (en) 2012-09-28 2022-04-06 Mevion Medical Systems, Inc. Adjusting energy of a particle beam
US9024684B2 (en) 2013-03-15 2015-05-05 Qualcomm Incorporated Area-efficient PLL with a low-noise low-power loop filter
US8791656B1 (en) 2013-05-31 2014-07-29 Mevion Medical Systems, Inc. Active return system
US9730308B2 (en) 2013-06-12 2017-08-08 Mevion Medical Systems, Inc. Particle accelerator that produces charged particles having variable energies
WO2015048468A1 (en) 2013-09-27 2015-04-02 Mevion Medical Systems, Inc. Particle beam scanning
US10675487B2 (en) 2013-12-20 2020-06-09 Mevion Medical Systems, Inc. Energy degrader enabling high-speed energy switching
US9962560B2 (en) 2013-12-20 2018-05-08 Mevion Medical Systems, Inc. Collimator and energy degrader
US9661736B2 (en) 2014-02-20 2017-05-23 Mevion Medical Systems, Inc. Scanning system for a particle therapy system
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US10786689B2 (en) 2015-11-10 2020-09-29 Mevion Medical Systems, Inc. Adaptive aperture
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Also Published As

Publication number Publication date
ATE284092T1 (de) 2004-12-15
EP1216508B1 (en) 2004-12-01
JP2003517755A (ja) 2003-05-27
DE60016432T2 (de) 2005-12-15
WO2001026230A1 (en) 2001-04-12
CN1377521A (zh) 2002-10-30
AU4027301A (en) 2001-05-10
EP1216508A1 (en) 2002-06-26
DE60016432D1 (de) 2005-01-05
US6420917B1 (en) 2002-07-16

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Termination date: 20180921