KR101024796B1 - Pll 장치 - Google Patents
Pll 장치 Download PDFInfo
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- KR101024796B1 KR101024796B1 KR1020087023791A KR20087023791A KR101024796B1 KR 101024796 B1 KR101024796 B1 KR 101024796B1 KR 1020087023791 A KR1020087023791 A KR 1020087023791A KR 20087023791 A KR20087023791 A KR 20087023791A KR 101024796 B1 KR101024796 B1 KR 101024796B1
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- phase difference
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- 230000005856 abnormality Effects 0.000 description 3
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- 238000001514 detection method Methods 0.000 description 3
- 229910052792 caesium Inorganic materials 0.000 description 2
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- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
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- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/091—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 using a sampling device
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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
-
- 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
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
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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
- H03L7/16—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
- H03L7/183—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 a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
- H03L7/185—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 a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop
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- 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
- H03L2207/12—Indirect frequency synthesis using a mixer in the phase-locked loop
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- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (5)
- 공급된 제어 전압에 따른 주파수의 주파수 신호를 발진하는 전압 제어 발진부와,외부로부터의 기준 주파수 신호의 위상과 전압 제어 발진부로부터의 주파수 신호의 위상과의 위상차를 취출하고, 이 위상차에 관한 데이터를 디지털값으로서 구하는 위상차 데이터 작성 수단과,상기 위상차에 관한 데이터에 기초하여 제어 전압을 생성하기 위한 제어 전압용 신호를 출력하는 출력 수단과,상기 제어 전압용 신호에 기초하여 제어 전압을 전압 제어 발진부에 공급하는 아날로그 회로와,상기 위상차에 관한 데이터가 기억되어 있는 기억부와,외부로부터의 기준 주파수 신호의 신호 레벨을 감시하기 위한 감시 수단과,상기 감시 수단에서 감시된 신호 레벨이 설정 범위 내일 때에는, 위상차 데이터 작성 수단에 의해 작성된 위상차에 관한 데이터를 출력 수단에 공급하고, 감시 수단에서 감시된 신호 레벨이 설정 레벨 설정 범위로부터 벗어나 있을 때에는, 상기 기억부에 기억되어 있는 위상차에 관한 데이터를 출력 수단에 공급하는 절환 수단을 구비하며,상기 위상차 데이터 작성 수단은,전압 제어 발진부로부터의 주파수 신호에 기초하여, 외부로부터의 기준 주파수 신호를 샘플링하여 그 샘플링값을 디지털 신호로서 출력하는 아날로그/디지털 변환부와,상기 디지털 신호를 직교 변환부에 의해 직교 변환 처리하여, 상기 주파수 신호와 표준 신호의 위상차에 상당하는 위상의 벡터를 복소 표시하였을 때의 실수 부분 및 허수 부분을 취출하는 직교 변환부와,상기 직교 변환부에서 얻어진 상기 실수 부분 및 허수 부분의 각 시계열 데이터에 기초하여 벡터의 각속도를 연산하는 각속도 연산부를 구비하며,상기 위상차에 관한 데이터는, 각속도 연산부에서 연산된, 상기 위상차의 변화분에 대응하는 벡터의 각속도인 것을 특징으로 하는 PLL 장치.
- 제1항에 있어서,상기 신호 레벨이 설정 범위 내일 때에는, 위상차 데이터 작성 수단에 의해 작성된 위상차에 관한 데이터는, 출력 수단에 공급됨과 함께 기억부에 기억되며, 이렇게 하여 기억부에는 최신의 위상차에 관한 데이터가 축적되고, 상기 신호 레벨이 설정 레벨 설정 범위로부터 벗어나 있을 때에는 기억부에 축적된 데이터가 출력부에 공급되는 것을 특징으로 하는 PLL 장치.
- 삭제
- 제1항에 있어서,상기 위상차에 관한 데이터는, 외부로부터의 기준 주파수 신호의 위상과 전압 제어 발진부로부터의 주파수 신호의 위상의 위상차에 상당하는 데이터인 것을 특징으로 하는 PLL 장치.
- 제1항에 있어서,상기 출력 수단은, 상기 위상차에 관한 데이터에 대응하는 듀티비로 펄스열을 출력하는 펄스폭 변조부인 것을 특징으로 하는 PLL 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00100614 | 2006-03-31 | ||
JP2006100614A JP4356946B2 (ja) | 2006-03-31 | 2006-03-31 | Pll装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080099867A KR20080099867A (ko) | 2008-11-13 |
KR101024796B1 true KR101024796B1 (ko) | 2011-03-24 |
Family
ID=38563759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087023791A KR101024796B1 (ko) | 2006-03-31 | 2007-03-30 | Pll 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7755436B2 (ko) |
EP (1) | EP2003780B1 (ko) |
JP (1) | JP4356946B2 (ko) |
KR (1) | KR101024796B1 (ko) |
CN (1) | CN101411068B (ko) |
WO (1) | WO2007114501A1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4356947B2 (ja) * | 2006-03-31 | 2009-11-04 | 日本電波工業株式会社 | Pll装置 |
US8386829B2 (en) * | 2009-06-17 | 2013-02-26 | Macronix International Co., Ltd. | Automatic internal trimming calibration method to compensate process variation |
JP5458719B2 (ja) | 2009-07-24 | 2014-04-02 | 日本電気株式会社 | クロック同期システムと通信装置と方法とプログラム |
TWI404341B (zh) * | 2009-12-31 | 2013-08-01 | Realtek Semiconductor Corp | 記憶控制電壓並鎖定頻率訊號之電路、鎖相迴路裝置與其控制方法 |
US8330509B2 (en) * | 2010-04-12 | 2012-12-11 | Intel Mobile Communications GmbH | Suppression of low-frequency noise from phase detector in phase control loop |
KR20150081848A (ko) | 2014-01-07 | 2015-07-15 | 삼성디스플레이 주식회사 | 표시 패널의 구동 전압 발생 방법 및 이를 수행하는 표시 장치 |
US9602113B2 (en) * | 2014-08-27 | 2017-03-21 | Qualcomm Incorporated | Fast frequency throttling and re-locking technique for phase-locked loops |
CN109088633B (zh) * | 2018-09-20 | 2021-12-03 | 郑州云海信息技术有限公司 | 一种脉冲产生器、脉冲产生方法及电子设备 |
CN109584773B (zh) * | 2018-12-24 | 2022-04-01 | 惠科股份有限公司 | 时序控制方法、时序控制芯片和显示装置 |
CN110932719B (zh) * | 2019-11-29 | 2021-11-23 | 深圳市皓文电子有限公司 | 开关电源的时钟信号切换方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2112236A (en) * | 1981-11-03 | 1983-07-13 | Telecommunications Sa | Digital device for clock signal synchronization |
JPH10173642A (ja) | 1996-12-11 | 1998-06-26 | Hitachi Denshi Ltd | クロック同期回路 |
JP2002353807A (ja) | 2001-05-29 | 2002-12-06 | Nec Saitama Ltd | 周波数同期装置および周波数同期制御方法 |
JP2004235858A (ja) | 2003-01-29 | 2004-08-19 | Sony Corp | 位相波形ゲイン制御方法及び位相波形ゲイン制御装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432313A1 (de) | 1984-09-03 | 1986-03-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum synchronisieren eines signals |
US6304620B1 (en) * | 1998-03-20 | 2001-10-16 | Philips Electronics North America Corproation | Sign-cross product automatic frequency control loop |
US6282500B1 (en) | 1998-09-09 | 2001-08-28 | Qualcomm Inc. | Accumulated phase measurement using open-loop phase estimation |
EP1422825B1 (en) * | 2002-11-21 | 2006-02-01 | Sony Ericsson Mobile Communications AB | Oscillator frequency control |
JP2005109551A (ja) | 2003-09-26 | 2005-04-21 | Matsushita Electric Ind Co Ltd | Pll回路 |
JP4356947B2 (ja) * | 2006-03-31 | 2009-11-04 | 日本電波工業株式会社 | Pll装置 |
-
2006
- 2006-03-31 JP JP2006100614A patent/JP4356946B2/ja active Active
-
2007
- 2007-03-20 US US12/225,565 patent/US7755436B2/en active Active
- 2007-03-30 KR KR1020087023791A patent/KR101024796B1/ko active IP Right Grant
- 2007-03-30 WO PCT/JP2007/057693 patent/WO2007114501A1/ja active Application Filing
- 2007-03-30 EP EP07741129A patent/EP2003780B1/en not_active Expired - Fee Related
- 2007-03-30 CN CN2007800109642A patent/CN101411068B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2112236A (en) * | 1981-11-03 | 1983-07-13 | Telecommunications Sa | Digital device for clock signal synchronization |
JPH10173642A (ja) | 1996-12-11 | 1998-06-26 | Hitachi Denshi Ltd | クロック同期回路 |
JP2002353807A (ja) | 2001-05-29 | 2002-12-06 | Nec Saitama Ltd | 周波数同期装置および周波数同期制御方法 |
JP2004235858A (ja) | 2003-01-29 | 2004-08-19 | Sony Corp | 位相波形ゲイン制御方法及び位相波形ゲイン制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4356946B2 (ja) | 2009-11-04 |
US20090146742A1 (en) | 2009-06-11 |
KR20080099867A (ko) | 2008-11-13 |
EP2003780B1 (en) | 2012-10-17 |
WO2007114501A1 (ja) | 2007-10-11 |
CN101411068A (zh) | 2009-04-15 |
US7755436B2 (en) | 2010-07-13 |
EP2003780A1 (en) | 2008-12-17 |
EP2003780A4 (en) | 2010-09-22 |
JP2007274612A (ja) | 2007-10-18 |
CN101411068B (zh) | 2011-08-24 |
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