CN112840570B - 用于锁相环路的环路滤波器 - Google Patents

用于锁相环路的环路滤波器 Download PDF

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Publication number
CN112840570B
CN112840570B CN201980067656.6A CN201980067656A CN112840570B CN 112840570 B CN112840570 B CN 112840570B CN 201980067656 A CN201980067656 A CN 201980067656A CN 112840570 B CN112840570 B CN 112840570B
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CN
China
Prior art keywords
switches
coupled
capacitor
circuit
switch
Prior art date
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Active
Application number
CN201980067656.6A
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English (en)
Chinese (zh)
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CN112840570A (zh
Inventor
克里希纳斯瓦米·纳加拉杰
傅威
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Texas Instruments Inc
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Texas Instruments Inc
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Publication of CN112840570A publication Critical patent/CN112840570A/zh
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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
    • H03L7/08—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
    • 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
    • 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
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CN201980067656.6A 2018-12-23 2019-12-16 用于锁相环路的环路滤波器 Active CN112840570B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/231,568 2018-12-23
US16/231,568 US10784875B2 (en) 2018-12-23 2018-12-23 Loop filter for a phase-locked loop
PCT/US2019/066467 WO2020139593A1 (en) 2018-12-23 2019-12-16 Loop filter for a phase-locked loop

Publications (2)

Publication Number Publication Date
CN112840570A CN112840570A (zh) 2021-05-25
CN112840570B true CN112840570B (zh) 2024-03-08

Family

ID=71097837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980067656.6A Active CN112840570B (zh) 2018-12-23 2019-12-16 用于锁相环路的环路滤波器

Country Status (5)

Country Link
US (1) US10784875B2 (enExample)
EP (1) EP3900191B1 (enExample)
JP (1) JP7507158B2 (enExample)
CN (1) CN112840570B (enExample)
WO (1) WO2020139593A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12355451B1 (en) * 2023-04-28 2025-07-08 Cadence Design Systems, Inc. Phase locked loop filter circuitry

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486534A (zh) * 2001-01-16 2004-03-31 �Ҵ���˾ 具有相位旋转器的锁相环
US9490824B1 (en) * 2016-01-19 2016-11-08 Freescale Semiconductor, Inc. Phase-locked loop with frequency bounding circuit
US9503017B1 (en) * 2009-09-29 2016-11-22 Qorvo Us, Inc. Infrastructure-grade integrated voltage controlled oscillator (VCO) with linear tuning characteristics and low phase noise

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559505A (en) * 1983-01-04 1985-12-17 Motorola, Inc. Frequency synthesizer with improved priority channel switching
JPH09326689A (ja) * 1996-06-03 1997-12-16 Hitachi Ltd クロック発生回路
GB2370167B (en) 2000-12-18 2005-01-05 Texas Instruments Ltd Improvements in or relating to phase locked loops
US20030190005A1 (en) 2002-04-04 2003-10-09 Brian Amick Programmable capacitances for PLL loop and power supply noise filters
DE102004041656B4 (de) * 2004-08-27 2007-11-08 Infineon Technologies Ag Phasenregelkreis und Verfahren zum Abgleichen eines Schleifenfilters
JP2006295343A (ja) * 2005-04-06 2006-10-26 Matsushita Electric Ind Co Ltd スイッチトキャパシタフィルタ及びフィードバックシステム
US8674754B2 (en) * 2007-02-09 2014-03-18 Intel Mobile Communications GmbH Loop filter and phase-locked loop
US7928785B2 (en) * 2007-11-07 2011-04-19 Samsung Electronics Co., Ltd. Loop filter, phase-locked loop, and method of operating the loop filter
US7990225B1 (en) * 2008-07-08 2011-08-02 Marvell International Ltd. Low-jitter phase-locked loop
JP2010278491A (ja) 2009-05-26 2010-12-09 Renesas Electronics Corp 周波数シンセサイザ
US8299826B2 (en) * 2009-08-25 2012-10-30 Sitime Corporation Phase locked loop circuitry having switched resistor loop filter circuitry, and methods of operating same
US8354866B2 (en) 2010-11-25 2013-01-15 Freescale Semiconductor, Inc. PLL start-up circuit
US8836390B2 (en) * 2011-11-30 2014-09-16 Taiwan Semiconductor Manufacturing Company, Ltd. Phase-locked loops that share a loop filter and frequency divider
US8432204B1 (en) 2012-01-06 2013-04-30 Taiwan Semiconductor Manufacturing Co., Ltd. Current-controlled oscillator (CCO) based PLL
JP5811937B2 (ja) 2012-04-16 2015-11-11 株式会社ソシオネクスト Ｐｌｌ回路
US9024684B2 (en) * 2013-03-15 2015-05-05 Qualcomm Incorporated Area-efficient PLL with a low-noise low-power loop filter
CN108377148B (zh) 2018-04-27 2024-03-08 深圳讯达微电子科技有限公司 一种基于开关电容阵列的锁相环环路滤波器及锁相环

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486534A (zh) * 2001-01-16 2004-03-31 �Ҵ���˾ 具有相位旋转器的锁相环
US9503017B1 (en) * 2009-09-29 2016-11-22 Qorvo Us, Inc. Infrastructure-grade integrated voltage controlled oscillator (VCO) with linear tuning characteristics and low phase noise
US9490824B1 (en) * 2016-01-19 2016-11-08 Freescale Semiconductor, Inc. Phase-locked loop with frequency bounding circuit

Also Published As

Publication number Publication date
EP3900191A4 (en) 2022-02-16
JP7507158B2 (ja) 2024-06-27
US10784875B2 (en) 2020-09-22
CN112840570A (zh) 2021-05-25
JP2022516050A (ja) 2022-02-24
US20200204183A1 (en) 2020-06-25
WO2020139593A1 (en) 2020-07-02
EP3900191B1 (en) 2025-07-09
EP3900191A1 (en) 2021-10-27

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