JP4667196B2 - 位相調整回路 - Google Patents
位相調整回路 Download PDFInfo
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- JP4667196B2 JP4667196B2 JP2005297742A JP2005297742A JP4667196B2 JP 4667196 B2 JP4667196 B2 JP 4667196B2 JP 2005297742 A JP2005297742 A JP 2005297742A JP 2005297742 A JP2005297742 A JP 2005297742A JP 4667196 B2 JP4667196 B2 JP 4667196B2
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- 230000003111 delayed effect Effects 0.000 claims description 35
- 230000001934 delay Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- 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
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- 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
- H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0816—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter and the frequency- or phase-detection arrangement being connected to a common input
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/0033—Correction by delay
- H04L7/0037—Delay of clock signal
-
- 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
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Pulse Circuits (AREA)
Description
図1は、第1の実施形態に係る位相調整回路の構成を示す。本位相調整回路は、クロック信号CLKを遅延させて遅延クロック信号Rclkを生成する遅延線10Aと、データ信号Dataと遅延クロック信号Rclkとの位相を比較する位相比較器20と、位相比較器20の比較結果に基づいて制御信号SSx(xは添字)を出力する遅延制御部30と、クロック信号CLKの周波数に基づいて制御信号RSx(xは添字)を出力する遅延制御部40Aとを備えている。データ信号Dataは、図示しないラッチ回路において、本位相調整回路から出力された遅延クロック信号Rclkでサンプリングされる。
図4は、第2の実施形態に係る位相調整回路の構成を示す。本位相調整回路は、図1に示した位相調整回路における遅延制御部40Aに代えて、遅延制御部40Bを備えている。
図5は、参考例に係る位相調整回路の構成を示す。本位相調整回路は、図1に示した位相調整回路における遅延線10A及び遅延制御部40Aに代えて、遅延線10B及び遅延制御部40Cを備えている。
図7は、別の参考例に係る位相調整回路の構成を示す。本位相調整回路は、図5に示した位相調整回路における遅延制御部40Cに代えて、遅延制御部40Dを備えている。
11,13,15 遅延ユニット
12 接続制御部(第1の接続制御部)
14 遅延ユニット群
20 位相比較器
30 遅延制御部(第1の遅延制御部)
40A,40B,40C,40D 遅延制御部(第2の遅延制御部)
110 遅延調整部
131 接続制御部(第2の接続制御部)
403 デジタル遅延線
405 電圧制御遅延回路
413 デジタル制御発振器
416 電圧制御発振器
Claims (2)
- 離散的にデータ信号とクロック信号との位相を調整する位相調整回路であって、
前記クロック信号を遅延させて遅延クロック信号を生成する遅延線と、
前記データ信号と前記遅延クロック信号との位相を比較する位相比較器と、
前記位相比較器の比較結果に基づいて、第1の遅延制御信号を出力する第1の遅延制御部と、
ループフィルタを通さずに検知した前記クロック信号の周波数に基づいて、デジタル信号である第2の遅延制御信号を出力する第2の遅延制御部とを備え、
前記遅延線は、
入力された信号を遅延させて出力する複数の遅延ユニットと、
前記第1及び第2の遅延制御信号のいずれか一方に基づいて、前記複数の遅延ユニットの直列接続段数を切り替える接続制御部とを有し、
前記第1及び第2の遅延制御信号に基づいて、前記クロック信号に対する前記遅延クロック信号の遅延量を決定するものであり、
前記複数の遅延ユニットのそれぞれは、
前記第1及び第2の遅延制御信号の他方に基づいて、信号遅延量を調整する遅延調整部を有するものであり、
前記遅延調整部は、
並列接続された複数の負荷を有し、
前記第1及び第2の遅延制御信号の他方に基づいて、前記複数の負荷の接続の有無を、他の前記遅延調整部と同時に切り替えるものである
ことを特徴とする位相調整回路。 - 離散的にデータ信号とクロック信号との位相を調整する位相調整回路であって、
前記クロック信号を遅延させて遅延クロック信号を生成する遅延線と、
前記データ信号と前記遅延クロック信号との位相を比較する位相比較器と、
前記位相比較器の比較結果に基づいて、第1の遅延制御信号を出力する第1の遅延制御部と、
前記クロック信号の周波数に基づいて、デジタル信号である第2の遅延制御信号を出力する第2の遅延制御部とを備え、
前記遅延線は、
入力された信号を遅延させて出力する複数の遅延ユニットを有する複数の遅延ユニット群と、
前記第1及び第2の遅延制御信号のいずれか一方に基づいて、前記複数の遅延ユニット群の直列接続段数を切り替える第1の接続制御部とを有し、
前記第1及び第2の遅延制御信号に基づいて、前記クロック信号に対する前記遅延クロック信号の遅延量を決定するものであり、
前記複数の遅延ユニットのそれぞれは、
前記第1及び第2の遅延制御信号の他方に基づいて、前記遅延ユニット群における複数の遅延ユニットの並列接続段数を同時に切り替える第2の接続制御部を有する
ことを特徴とする位相調整回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005297742A JP4667196B2 (ja) | 2005-10-12 | 2005-10-12 | 位相調整回路 |
US11/513,023 US7782103B2 (en) | 2005-10-12 | 2006-08-31 | Phase adjustment circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005297742A JP4667196B2 (ja) | 2005-10-12 | 2005-10-12 | 位相調整回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007110323A JP2007110323A (ja) | 2007-04-26 |
JP4667196B2 true JP4667196B2 (ja) | 2011-04-06 |
Family
ID=37910563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005297742A Expired - Fee Related JP4667196B2 (ja) | 2005-10-12 | 2005-10-12 | 位相調整回路 |
Country Status (2)
Country | Link |
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US (1) | US7782103B2 (ja) |
JP (1) | JP4667196B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9019734B2 (en) * | 2007-07-31 | 2015-04-28 | Rockwell Automation Technologies, Inc. | Solid state switch gate firing with phase shift delay line |
JP2009177778A (ja) * | 2008-01-25 | 2009-08-06 | Elpida Memory Inc | Dll回路及びこれを用いた半導体装置、並びに、dll回路の制御方法 |
US8427457B2 (en) * | 2008-02-22 | 2013-04-23 | Himax Technologies Limited | Display driver and built-in-phase-calibration circuit thereof |
JP5198166B2 (ja) * | 2008-06-27 | 2013-05-15 | 富士通セミコンダクター株式会社 | デジタルdll回路及び半導体装置 |
WO2011077563A1 (ja) * | 2009-12-25 | 2011-06-30 | キヤノン株式会社 | 情報処理装置又は情報処理方法 |
KR20150026361A (ko) * | 2013-09-02 | 2015-03-11 | 삼성전자주식회사 | 클럭 데이터 회복 장치 및 이를 포함하는 디스플레이 장치 |
US9443572B2 (en) * | 2014-06-06 | 2016-09-13 | Qualcomm Incorporated | Programmable power for a memory interface |
US9337817B2 (en) * | 2014-06-17 | 2016-05-10 | Via Alliance Semiconductor Co., Ltd. | Hold-time optimization circuit and receiver with the same |
US10110223B2 (en) | 2016-07-06 | 2018-10-23 | Via Alliance Semiconductor Co., Ltd. | Single ended-to-differential converter |
US10211818B2 (en) * | 2016-07-06 | 2019-02-19 | Via Alliance Semiconductor Co., Ltd. | Interpolator |
US9628091B1 (en) * | 2016-07-06 | 2017-04-18 | Via Alliance Semiconductor Co., Ltd. | Phase detector for clock data recovery circuit |
US10177949B2 (en) * | 2016-08-30 | 2019-01-08 | The United States Of America As Represented By The Secretary Of The Air Force | Coherent phase-synchronizing circuit |
US9893878B1 (en) * | 2017-03-15 | 2018-02-13 | Oracle International Corporation | On-chip jitter measurement for clock circuits |
US10819260B2 (en) | 2018-12-07 | 2020-10-27 | Rockwell Automation Technologies, Inc | Frequency and load balance compensated, gate firing phase shift delay line |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114219A (ja) * | 1997-06-13 | 1999-01-06 | Oki Electric Ind Co Ltd | 電圧制御遅延回路、直接位相制御型電圧制御発振器、クロック/データ再生回路及びクロック/データ再生装置 |
JPH1174783A (ja) * | 1997-06-18 | 1999-03-16 | Mitsubishi Electric Corp | 内部クロック信号発生回路、および同期型半導体記憶装置 |
JP2003203481A (ja) * | 2001-11-07 | 2003-07-18 | Samsung Electronics Co Ltd | Casレイテンシを利用してロッキングレゾリューション調節が可能な遅延同期ループ回路 |
JP2003308133A (ja) * | 2002-02-18 | 2003-10-31 | Matsushita Electric Ind Co Ltd | 多相クロック伝送回路及び多相クロック伝送方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3705647B2 (ja) | 1996-03-19 | 2005-10-12 | 富士通株式会社 | 遅延回路および制御信号発生回路 |
JP2970845B2 (ja) | 1997-09-03 | 1999-11-02 | 日本電気株式会社 | ディジタルdll回路 |
JP2001084763A (ja) | 1999-09-08 | 2001-03-30 | Mitsubishi Electric Corp | クロック発生回路およびそれを具備した半導体記憶装置 |
US6794912B2 (en) * | 2002-02-18 | 2004-09-21 | Matsushita Electric Industrial Co., Ltd. | Multi-phase clock transmission circuit and method |
JP4031671B2 (ja) * | 2002-06-11 | 2008-01-09 | 松下電器産業株式会社 | クロックリカバリ回路 |
-
2005
- 2005-10-12 JP JP2005297742A patent/JP4667196B2/ja not_active Expired - Fee Related
-
2006
- 2006-08-31 US US11/513,023 patent/US7782103B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114219A (ja) * | 1997-06-13 | 1999-01-06 | Oki Electric Ind Co Ltd | 電圧制御遅延回路、直接位相制御型電圧制御発振器、クロック/データ再生回路及びクロック/データ再生装置 |
JPH1174783A (ja) * | 1997-06-18 | 1999-03-16 | Mitsubishi Electric Corp | 内部クロック信号発生回路、および同期型半導体記憶装置 |
JP2003203481A (ja) * | 2001-11-07 | 2003-07-18 | Samsung Electronics Co Ltd | Casレイテンシを利用してロッキングレゾリューション調節が可能な遅延同期ループ回路 |
JP2003308133A (ja) * | 2002-02-18 | 2003-10-31 | Matsushita Electric Ind Co Ltd | 多相クロック伝送回路及び多相クロック伝送方法 |
Also Published As
Publication number | Publication date |
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US7782103B2 (en) | 2010-08-24 |
JP2007110323A (ja) | 2007-04-26 |
US20070080728A1 (en) | 2007-04-12 |
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