JP2022098601A - 位相同期回路 - Google Patents
位相同期回路 Download PDFInfo
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- JP2022098601A JP2022098601A JP2020212080A JP2020212080A JP2022098601A JP 2022098601 A JP2022098601 A JP 2022098601A JP 2020212080 A JP2020212080 A JP 2020212080A JP 2020212080 A JP2020212080 A JP 2020212080A JP 2022098601 A JP2022098601 A JP 2022098601A
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- JP
- Japan
- Prior art keywords
- phase
- signal
- circuit
- locked loop
- charge pump
- Prior art date
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- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 238000003306 harvesting Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 101100350613 Arabidopsis thaliana PLL1 gene Proteins 0.000 abstract 1
- 239000013256 coordination polymer Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 17
- 230000010355 oscillation Effects 0.000 description 9
- 101100082028 Arabidopsis thaliana PLL2 gene Proteins 0.000 description 7
- 101100350628 Arabidopsis thaliana PLL3 gene Proteins 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 101100296075 Arabidopsis thaliana PLL4 gene Proteins 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- H03L7/099—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
- H03L7/099—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
- H03L7/08—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
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector 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
- H03L7/0802—Details of the phase-locked loop the loop being adapted for reducing power consumption
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- 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
-
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
PFD:位相周波数比較回路
DZPFD:デッドゾーン位相周波数比較回路
PGN:パルス発生回路
CP、CP0:チャージポンプ回路
Filter:ループフィルタ回路
DIV:分周回路
VCO:電圧制御発振回路
DFF:ディレイフリップフロップ
MUX1,MUX2,MUX3:マルチプレクサ
Claims (5)
- 位相比較器と、
パルス生成回路と、
チャージポンプ回路と、
ループフィルタ回路と、
電圧制御発振器と、を含み、
前記位相比較器は、
受信した基準クロックに同期して第一のレベルをサンプリングし、
帰還クロックにより前記第一のレベルと異なる第二のレベルに初期化される第一の信号を生成し、
前記パルス生成回路は、
前記基準クロックに基づいて、第二の信号を生成し、
前記第一の信号と前記第二の信号を前記チャージポンプ回路と前記ループフィルタ回路を通して制御電圧として前記電圧制御発振器に入力することにより、前記帰還クロックである前記電圧制御発振器の出力信号の位相が所定の値に制御される、位相同期回路。 - 請求項1において、
前記位相比較器は、ディレイフリップフロップを含み、
前記ディレイフリップフロップは、
前記基準クロックが入力されるクロック端子と、
前記第一のレベルの電源電位が入力される入力端子と、
前記チャージポンプ回路へ前記第一の信号を出力する出力端子と、
前記電圧制御発振器の前記出力信号が前記帰還クロックとして入力されるリセット端子と、を有する、位相同期回路。 - 請求項2において、
前記基準クロックは、リング発振器の出力クロックである、位相同期回路。 - 請求項3において、
前記位相同期回路と前記リング発振器とは、半導体チップに形成される、位相同期回路。 - 請求項4において、
前記半導体チップにはエナジーハーベスト向けの半導体製品が構成されている、位相同期回路。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020212080A JP7561602B2 (ja) | 2020-12-22 | 2020-12-22 | 位相同期回路 |
US17/540,938 US11545986B2 (en) | 2020-12-22 | 2021-12-02 | Phase locking circuit |
CN202111542672.1A CN114665873A (zh) | 2020-12-22 | 2021-12-16 | 锁相电路 |
Applications Claiming Priority (1)
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JP2020212080A JP7561602B2 (ja) | 2020-12-22 | 2020-12-22 | 位相同期回路 |
Publications (2)
Publication Number | Publication Date |
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JP2022098601A true JP2022098601A (ja) | 2022-07-04 |
JP7561602B2 JP7561602B2 (ja) | 2024-10-04 |
Family
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JP2020212080A Active JP7561602B2 (ja) | 2020-12-22 | 2020-12-22 | 位相同期回路 |
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US (1) | US11545986B2 (ja) |
JP (1) | JP7561602B2 (ja) |
CN (1) | CN114665873A (ja) |
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JP7561602B2 (ja) * | 2020-12-22 | 2024-10-04 | ルネサスエレクトロニクス株式会社 | 位相同期回路 |
US11757615B2 (en) * | 2021-11-08 | 2023-09-12 | Nvidia Corporation | Wideband phase-locked loop for delay and jitter tracking |
CN115694477B (zh) * | 2022-11-16 | 2023-05-16 | 华南理工大学 | 一种基于小范围死区产生模块架构的亚采样锁相环 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3179382B2 (ja) * | 1997-08-27 | 2001-06-25 | 山形日本電気株式会社 | Pll回路 |
FR2793091B1 (fr) * | 1999-04-30 | 2001-06-08 | France Telecom | Dispositif d'asservissement de frequence |
JP2001195149A (ja) * | 2000-01-17 | 2001-07-19 | Mitsubishi Electric Corp | 内部クロック信号発生回路 |
JP2005012581A (ja) | 2003-06-20 | 2005-01-13 | Renesas Technology Corp | 電圧電流変換回路及びこれを用いたpll回路 |
US7327195B2 (en) * | 2004-08-27 | 2008-02-05 | Matsushita Electric Industrial Co., Ltd. | PLL frequency synthesizer |
JP2008131353A (ja) * | 2006-11-21 | 2008-06-05 | Matsushita Electric Ind Co Ltd | Pllロック検出回路および半導体装置 |
FR2914807B1 (fr) * | 2007-04-06 | 2012-11-16 | Centre Nat Detudes Spatiales Cnes | Dispositif d'extraction d'horloge a asservissement numerique de phase sans reglage externe |
US7548123B2 (en) * | 2007-07-13 | 2009-06-16 | Silicon Laboratories Inc. | Dividerless PLL architecture |
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JP5006417B2 (ja) * | 2010-01-28 | 2012-08-22 | 日本電波工業株式会社 | Pll発振回路 |
JP2012205046A (ja) * | 2011-03-25 | 2012-10-22 | Renesas Electronics Corp | 半導体集積回路およびその動作方法 |
JPWO2012132847A1 (ja) * | 2011-03-31 | 2014-07-28 | 株式会社半導体理工学研究センター | 注入同期型周波数同期発振器 |
WO2014039817A2 (en) | 2012-09-07 | 2014-03-13 | Calhoun Benton H | Low power clock source |
KR102076326B1 (ko) | 2013-05-09 | 2020-02-12 | 삼성전자주식회사 | 위상 로테이팅 위상동기회로 및 그것의 동작 제어방법 |
US8917126B1 (en) * | 2013-12-23 | 2014-12-23 | International Business Machines Corporation | Charge pump operating voltage range control using dynamic biasing |
US9240795B2 (en) * | 2014-01-31 | 2016-01-19 | Silicon Laboratories, Inc. | Apparatus and methods for phase-locked loop oscillator calibration and lock detection |
US9503105B2 (en) * | 2014-10-20 | 2016-11-22 | Texas Instruments Incorporated | Phase frequency detector (PFD) circuit with improved lock time |
JPWO2017149978A1 (ja) | 2016-03-01 | 2018-12-20 | 古野電気株式会社 | 基準信号発生装置及び基準信号発生方法 |
US10418981B2 (en) * | 2017-04-12 | 2019-09-17 | Samsung Electronics Co., Ltd. | System and method for calibrating pulse width and delay |
JP6882094B2 (ja) | 2017-06-23 | 2021-06-02 | 日本無線株式会社 | Pll回路 |
US11063599B2 (en) * | 2019-04-23 | 2021-07-13 | Samsung Electronics Co., Ltd | Apparatus and method for automatic search of sub-sampling phase locked loop (SS-PLL) locking acquisition |
KR20210009924A (ko) * | 2019-07-18 | 2021-01-27 | 삼성전자주식회사 | 서브 샘플링 pll 회로를 포함하는 pll 회로 및 클록 발생기 |
US11411567B2 (en) * | 2020-12-10 | 2022-08-09 | Qualcomm Incorporated | Phase interpolation-based fractional-N sampling phase-locked loop |
JP7561602B2 (ja) * | 2020-12-22 | 2024-10-04 | ルネサスエレクトロニクス株式会社 | 位相同期回路 |
-
2020
- 2020-12-22 JP JP2020212080A patent/JP7561602B2/ja active Active
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2021
- 2021-12-02 US US17/540,938 patent/US11545986B2/en active Active
- 2021-12-16 CN CN202111542672.1A patent/CN114665873A/zh active Pending
Also Published As
Publication number | Publication date |
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US11545986B2 (en) | 2023-01-03 |
US20220200609A1 (en) | 2022-06-23 |
CN114665873A (zh) | 2022-06-24 |
JP7561602B2 (ja) | 2024-10-04 |
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