WO2009069246A1 - 位相比較器、ｐｌｌ回路、情報再生処理装置、光ディスク再生装置及び磁気ディスク再生装置 - Google Patents

位相比較器、ｐｌｌ回路、情報再生処理装置、光ディスク再生装置及び磁気ディスク再生装置 Download PDF

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Publication number
WO2009069246A1
WO2009069246A1 PCT/JP2008/002610 JP2008002610W WO2009069246A1 WO 2009069246 A1 WO2009069246 A1 WO 2009069246A1 JP 2008002610 W JP2008002610 W JP 2008002610W WO 2009069246 A1 WO2009069246 A1 WO 2009069246A1
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WO
WIPO (PCT)
Prior art keywords
reference value
rising
trailing
phase error
sample data
Prior art date
Application number
PCT/JP2008/002610
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English (en)
French (fr)
Inventor
Akira Yamamoto
Yoshinori Shirakawa
Kouji Okamoto
Hiroki Mouri
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/515,337 priority Critical patent/US20110095786A1/en
Priority to JP2009510219A priority patent/JPWO2009069246A1/ja
Publication of WO2009069246A1 publication Critical patent/WO2009069246A1/ja

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
    • G11B20/10425—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by counting out-of-lock events of a PLL
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

　再生データに同期したクロックを抽出する同期クロック抽出回路に使用する位相比較器において、ゼロクロス検出部７０１は、再生データから、立ち上がりクロス検出信号と、立ち下がりクロス検出信号と、連続する３つのサンプルデータである３つの位相誤差候補とを出力する。立ち上がり及び立ち下がり基準値保持部７０３、７０４は立ち上がり基準値及び立ち下がり基準値を出力する。位相誤差算出部７０２は、前記立ち上がり又は立ち下がりクロス検出信号を受けた時、ゼロクロスサンプルデータを含む３つのサンプルデータのうち、前記立ち上がり又は立ち下がり基準値との絶対差が最小のサンプルデータを位相誤差として出力する。この位相誤差は、次の位相誤差算出時の立ち上がり又は立ち下がり基準値として前記立ち上がり又は立ち下がり基準値保持部７０３、７０４に保持される。従って、広いキャプチャレンジが実現される。
PCT/JP2008/002610 2007-11-26 2008-09-22 位相比較器、ｐｌｌ回路、情報再生処理装置、光ディスク再生装置及び磁気ディスク再生装置 WO2009069246A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/515,337 US20110095786A1 (en) 2007-11-26 2008-09-22 Phase comparator, pll circuit, information reproduction processing device, optical disk playback device and magnetic disk playback device
JP2009510219A JPWO2009069246A1 (ja) 2007-11-26 2008-09-22 位相比較器、ｐｌｌ回路、情報再生処理装置、光ディスク再生装置及び磁気ディスク再生装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-304310 2007-11-26
JP2007304310 2007-11-26

Publications (1)

Publication Number Publication Date
WO2009069246A1 true WO2009069246A1 (ja) 2009-06-04

Family

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Application Number Title Priority Date Filing Date
PCT/JP2008/002610 WO2009069246A1 (ja) 2007-11-26 2008-09-22 位相比較器、ｐｌｌ回路、情報再生処理装置、光ディスク再生装置及び磁気ディスク再生装置

Country Status (4)

Country Link
US (1) US20110095786A1 (ja)
JP (1) JPWO2009069246A1 (ja)
CN (1) CN101568967A (ja)
WO (1) WO2009069246A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8508266B2 (en) * 2011-06-30 2013-08-13 Broadcom Corporation Digital phase locked loop circuits with multiple digital feedback loops
CN102594543B (zh) * 2012-03-23 2014-12-10 清华大学深圳研究生院 应用于dPMR标准的4FSK码元同步器
TWI556584B (zh) * 2015-03-26 2016-11-01 威盛電子股份有限公司 相位偵測裝置以及相位調整方法
US10955302B2 (en) * 2018-10-12 2021-03-23 Deere & Company Torque determination system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000200467A (ja) * 1999-01-07 2000-07-18 Matsushita Electric Ind Co Ltd デジタルフェ―ズロックドル―プ回路
JP2000285605A (ja) * 1999-03-29 2000-10-13 Matsushita Electric Ind Co Ltd 周波数検出型位相同期回路
JP2002358734A (ja) * 2001-05-31 2002-12-13 Fujitsu Ltd データ再生装置に用いられるクロック調整装置、オフセット検出装置及びデータ再生装置
WO2005027122A1 (ja) * 2003-09-09 2005-03-24 Matsushita Electric Industrial Co., Ltd. 位相誤差検出回路及び同期クロック抽出回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01296733A (ja) * 1988-05-25 1989-11-30 Toshiba Corp ディジタル形位相同期回路
JPH1031869A (ja) * 1996-07-16 1998-02-03 Pioneer Electron Corp 再生装置
JPH10107623A (ja) * 1996-10-01 1998-04-24 Sony Corp 変換装置および方法、並びに、ｐｌｌ演算装置および方法
US6104682A (en) * 1998-07-23 2000-08-15 Matsushita Electric Industrial Co., Ltd. Disk apparatus having a data reproducing system using a digital PLL
JP3597433B2 (ja) * 1999-12-20 2004-12-08 富士通株式会社 データ再生システムにおけるクロック調整装置及び光ディスク装置
JP2002216434A (ja) * 2001-01-17 2002-08-02 Sharp Corp 位相補正回路及びそれを用いたディスク再生装置
JP2002358736A (ja) * 2001-05-31 2002-12-13 Fujitsu Ltd データ再生装置に用いられるクロック調整装置
JPWO2007010994A1 (ja) * 2005-07-20 2009-02-05 パナソニック株式会社 デジタル信号再生装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000200467A (ja) * 1999-01-07 2000-07-18 Matsushita Electric Ind Co Ltd デジタルフェ―ズロックドル―プ回路
JP2000285605A (ja) * 1999-03-29 2000-10-13 Matsushita Electric Ind Co Ltd 周波数検出型位相同期回路
JP2002358734A (ja) * 2001-05-31 2002-12-13 Fujitsu Ltd データ再生装置に用いられるクロック調整装置、オフセット検出装置及びデータ再生装置
WO2005027122A1 (ja) * 2003-09-09 2005-03-24 Matsushita Electric Industrial Co., Ltd. 位相誤差検出回路及び同期クロック抽出回路

Also Published As

Publication number Publication date
CN101568967A (zh) 2009-10-28
US20110095786A1 (en) 2011-04-28
JPWO2009069246A1 (ja) 2011-04-07

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