CN113557667A - 一种锁相环 - Google Patents

一种锁相环 Download PDF

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Publication number
CN113557667A
CN113557667A CN201980093897.8A CN201980093897A CN113557667A CN 113557667 A CN113557667 A CN 113557667A CN 201980093897 A CN201980093897 A CN 201980093897A CN 113557667 A CN113557667 A CN 113557667A
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China
Prior art keywords
tube
bias
transistor
coupled
voltage
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CN201980093897.8A
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CN113557667B (zh
Inventor
李炜
周唯祎
周盛华
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H03L7/089—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
    • 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
    • H03L7/0898—Details of the current generators the source or sink current values being variable

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

本申请公开了一种锁相环，涉及芯片技术领域，能够解决电荷泵的非理想特性时功耗大、噪声大以及电荷泵电路结构复杂的问题。锁相环包括电荷泵，电荷泵包括一对电流源，两条差分路径，电荷泵还包括第一开关管和第二开关管，第一开关管和第二开关管分别被设置在两条差分路径上，电荷泵还包括第一辅助管和第二辅助管，第一辅助管的栅极被耦合至第一开关管的栅极，第二辅助管的栅极被耦合至第二开关管的栅极，第一辅助管的第一端被耦合至第一电流源，第一辅助管的第二端被耦合至第二开关管的第二端，第二辅助管的第一端被耦合至第一电流源，第一辅助管的第二端被耦合至第一开关管的第二端。本申请实施例用于抑制电荷泵的非理想因素。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201980093897.8A 2019-05-23 2019-05-23 一种锁相环 Active CN113557667B (zh)

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PCT/CN2019/088214 WO2020232726A1 (zh) 2019-05-23 2019-05-23 一种锁相环

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CN113557667A true CN113557667A (zh) 2021-10-26
CN113557667B CN113557667B (zh) 2024-06-04

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CN (1) CN113557667B (zh)
WO (1) WO2020232726A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114759777A (zh) * 2022-06-16 2022-07-15 西安博瑞集信电子科技有限公司 一种消除电荷泵电流毛刺的电路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112653327B (zh) * 2020-12-24 2022-07-01 重庆邮电大学 一种宽锁定范围低电流失配的电荷泵

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US20030107419A1 (en) * 2001-12-06 2003-06-12 Kwang-Il Park Charge pump circuit for reducing jitter
US20050184774A1 (en) * 2004-02-02 2005-08-25 Masao Kaizuka Charge pump
CN101488710A (zh) * 2008-10-22 2009-07-22 成都国腾电子技术股份有限公司 一种电荷泵电路
CN101855831A (zh) * 2007-11-13 2010-10-06 高通股份有限公司 快速切换低噪声电荷泵
CN102075183A (zh) * 2009-11-24 2011-05-25 中国科学院微电子研究所 一种全集成自偏置快速锁定的锁相环频率综合器
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CN202617095U (zh) * 2012-05-10 2012-12-19 东南大学 一种低电流失配的锁相环电荷泵电路
CN103346784A (zh) * 2013-06-18 2013-10-09 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
CN204425321U (zh) * 2015-03-26 2015-06-24 成都爱洁隆信息技术有限公司 一种用于小数分频锁相环中集成dac的电荷泵
US20150200588A1 (en) * 2014-01-16 2015-07-16 Qualcomm Incorporated Low-power, self-biasing-capable charge pump with current matching capabilities
CN204928798U (zh) * 2015-06-30 2015-12-30 武汉科技大学 一种动态充放电电流匹配电荷泵电路
CN105281753A (zh) * 2015-10-22 2016-01-27 天津大学 适用于延迟锁相环的高性能电荷泵
CN105490677A (zh) * 2014-09-19 2016-04-13 中芯国际集成电路制造(上海)有限公司 源端开关的电荷泵、锁相环电路及抑制馈通效应的方法
CN107210748A (zh) * 2015-02-10 2017-09-26 高通股份有限公司 自偏置电荷泵
CN107634758A (zh) * 2017-09-15 2018-01-26 北京华大九天软件有限公司 一种锁相环低噪声源端开关电荷泵
CN108075772A (zh) * 2016-11-18 2018-05-25 意法半导体国际有限公司 具有去耦积分和比例路径的锁相环
CN109167599A (zh) * 2018-08-06 2019-01-08 重庆邮电大学 一种用于锁相环的快速响应电荷泵电路

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CN102130681B (zh) * 2010-01-19 2015-08-19 深圳艾科创新微电子有限公司 一种差分锁相环
CN102347760B (zh) * 2010-07-27 2014-03-12 中兴通讯股份有限公司南京分公司 一种电荷泵及应用该电荷泵的锁相环
US8461886B1 (en) * 2010-10-20 2013-06-11 Marvell International Ltd. Circuit and circuit method for reduction of PFD noise contribution for ADPLL
US9225348B2 (en) * 2014-01-10 2015-12-29 International Business Machines Corporation Prediction based digital control for fractional-N PLLs

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6222402B1 (en) * 1998-09-04 2001-04-24 International Business Machines Corporation Differential charge-pump with improved linearity
US20030107419A1 (en) * 2001-12-06 2003-06-12 Kwang-Il Park Charge pump circuit for reducing jitter
US20050184774A1 (en) * 2004-02-02 2005-08-25 Masao Kaizuka Charge pump
CN101855831A (zh) * 2007-11-13 2010-10-06 高通股份有限公司 快速切换低噪声电荷泵
CN101488710A (zh) * 2008-10-22 2009-07-22 成都国腾电子技术股份有限公司 一种电荷泵电路
CN102075183A (zh) * 2009-11-24 2011-05-25 中国科学院微电子研究所 一种全集成自偏置快速锁定的锁相环频率综合器
CN202167988U (zh) * 2011-06-10 2012-03-14 安凯(广州)微电子技术有限公司 一种用于锁相环的电荷泵电路
CN202617095U (zh) * 2012-05-10 2012-12-19 东南大学 一种低电流失配的锁相环电荷泵电路
CN103346784A (zh) * 2013-06-18 2013-10-09 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
US20150200588A1 (en) * 2014-01-16 2015-07-16 Qualcomm Incorporated Low-power, self-biasing-capable charge pump with current matching capabilities
CN105490677A (zh) * 2014-09-19 2016-04-13 中芯国际集成电路制造(上海)有限公司 源端开关的电荷泵、锁相环电路及抑制馈通效应的方法
CN107210748A (zh) * 2015-02-10 2017-09-26 高通股份有限公司 自偏置电荷泵
CN204425321U (zh) * 2015-03-26 2015-06-24 成都爱洁隆信息技术有限公司 一种用于小数分频锁相环中集成dac的电荷泵
CN204928798U (zh) * 2015-06-30 2015-12-30 武汉科技大学 一种动态充放电电流匹配电荷泵电路
CN105281753A (zh) * 2015-10-22 2016-01-27 天津大学 适用于延迟锁相环的高性能电荷泵
CN108075772A (zh) * 2016-11-18 2018-05-25 意法半导体国际有限公司 具有去耦积分和比例路径的锁相环
CN207652415U (zh) * 2016-11-18 2018-07-24 意法半导体国际有限公司 电路与锁相环
CN107634758A (zh) * 2017-09-15 2018-01-26 北京华大九天软件有限公司 一种锁相环低噪声源端开关电荷泵
CN109167599A (zh) * 2018-08-06 2019-01-08 重庆邮电大学 一种用于锁相环的快速响应电荷泵电路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114759777A (zh) * 2022-06-16 2022-07-15 西安博瑞集信电子科技有限公司 一种消除电荷泵电流毛刺的电路
CN114759777B (zh) * 2022-06-16 2022-09-20 西安博瑞集信电子科技有限公司 一种消除电荷泵电流毛刺的电路

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WO2020232726A1 (zh) 2020-11-26
EP3961929A1 (en) 2022-03-02
CN113557667B (zh) 2024-06-04
EP3961929A4 (en) 2022-07-27

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