DE69613660D1 - Energiesparende Phasenregelkreisschaltung - Google Patents
Energiesparende PhasenregelkreisschaltungInfo
- Publication number
- DE69613660D1 DE69613660D1 DE69613660T DE69613660T DE69613660D1 DE 69613660 D1 DE69613660 D1 DE 69613660D1 DE 69613660 T DE69613660 T DE 69613660T DE 69613660 T DE69613660 T DE 69613660T DE 69613660 D1 DE69613660 D1 DE 69613660D1
- Authority
- DE
- Germany
- Prior art keywords
- energy saving
- locked loop
- phase locked
- loop circuit
- saving phase
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
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
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1072—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the charge pump, e.g. changing the gain
-
- 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
-
- 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
- H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7311247A JP2845185B2 (ja) | 1995-11-29 | 1995-11-29 | Pll回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69613660D1 true DE69613660D1 (de) | 2001-08-09 |
DE69613660T2 DE69613660T2 (de) | 2002-05-08 |
Family
ID=18014866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69613660T Expired - Fee Related DE69613660T2 (de) | 1995-11-29 | 1996-11-25 | Energiesparende Phasenregelkreisschaltung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5783972A (de) |
EP (1) | EP0777333B1 (de) |
JP (1) | JP2845185B2 (de) |
DE (1) | DE69613660T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69728635D1 (de) * | 1996-12-31 | 2004-05-19 | Koninkl Philips Electronics Nv | Ladungspumpenschaltung für die Frequenzregelschleife eines Frequenzsynthetisierers |
US5936968A (en) * | 1997-05-28 | 1999-08-10 | Sarnoff Corporation | Method and apparatus for multiplexing complete MPEG transport streams from multiple sources using a PLL coupled to both the PCR and the transport encoder clock |
US6373912B1 (en) * | 1997-06-16 | 2002-04-16 | Legerity, Inc. | Phase-locked loop arrangement with fast lock mode |
JP3024614B2 (ja) * | 1997-10-24 | 2000-03-21 | 日本電気株式会社 | ばらつき補償技術による半導体集積回路 |
KR100261964B1 (ko) * | 1997-11-21 | 2000-07-15 | 김영환 | 전하펌프회로 |
US5939949A (en) * | 1998-03-16 | 1999-08-17 | National Semiconductor Corporation | Self-adjusting startup control for charge pump current source in phase locked loop |
KR100280452B1 (ko) * | 1998-03-17 | 2001-02-01 | 김영환 | 위상동기루프장치 |
WO2000002317A1 (en) * | 1998-07-01 | 2000-01-13 | Conexant Systems, Inc. | Method and apparatus for adjusting phase offset in a phase locked loop |
US6313707B1 (en) * | 1998-11-09 | 2001-11-06 | Agere Systems Guardian Corp. | Digital phase-locked loop with pulse controlled charge pump |
DE19934723A1 (de) | 1999-07-23 | 2001-02-01 | Infineon Technologies Ag | Steuerbare Stromquellenschaltung und hiermit ausgestatteter Phasenregelkreis |
JP3360667B2 (ja) * | 1999-12-01 | 2002-12-24 | 日本電気株式会社 | 位相同期ループの同期方法、位相同期ループ及び該位相同期ループを備えた半導体装置 |
JP3397193B2 (ja) * | 2000-01-06 | 2003-04-14 | 日本電気株式会社 | クロック生成装置 |
US6265947B1 (en) * | 2000-01-11 | 2001-07-24 | Ericsson Inc. | Power conserving phase-locked loop and method |
US6304147B1 (en) | 2000-03-27 | 2001-10-16 | Koninklijke Philips Electronics N.V. | Method and circuit for reduced power consumption in a charge pump circuit |
JP2001292060A (ja) * | 2000-04-07 | 2001-10-19 | Nec Corp | 位相比較装置および位相比較方法 |
US6316977B1 (en) | 2000-07-14 | 2001-11-13 | Pmc-Sierra, Inc. | Low charge-injection charge pump |
WO2002060063A1 (en) | 2001-01-26 | 2002-08-01 | True Circuits, Inc. | Self-biasing phase-locked loop system |
JP4138264B2 (ja) * | 2001-03-16 | 2008-08-27 | 富士通株式会社 | Pll周波数シンセサイザ |
US6583675B2 (en) * | 2001-03-20 | 2003-06-24 | Broadcom Corporation | Apparatus and method for phase lock loop gain control using unit current sources |
JP2002290233A (ja) * | 2001-03-27 | 2002-10-04 | Fujitsu Ltd | Pll回路のモード切替方法及びpll回路のモード制御回路 |
US20040135640A1 (en) * | 2002-01-28 | 2004-07-15 | Maneatis John G. | Phase-locked loop with conditioned charge pump output |
US6985708B2 (en) * | 2002-06-12 | 2006-01-10 | Broadcom, Corp. | Linearized fractional-N synthesizer having a gated offset |
US6774732B1 (en) * | 2003-02-14 | 2004-08-10 | Motorola, Inc. | System and method for coarse tuning a phase locked loop (PLL) synthesizer using 2-PI slip detection |
US6930521B2 (en) * | 2003-06-30 | 2005-08-16 | Agilent Technologies, Inc. | Circuit for controlling the performance of an integrated circuit |
US7038552B2 (en) * | 2003-10-07 | 2006-05-02 | Analog Devices, Inc. | Voltage controlled oscillator having improved phase noise |
US7042277B2 (en) * | 2003-10-14 | 2006-05-09 | International Business Machines Corporation | Circuit and method for reducing jitter in a PLL of high speed serial links |
KR100900864B1 (ko) | 2003-12-11 | 2009-06-04 | 모사이드 테크놀로지스, 인코포레이티드 | Pll/dll의 고출력 임피던스 충전 펌프 |
US7750695B2 (en) * | 2004-12-13 | 2010-07-06 | Mosaid Technologies Incorporated | Phase-locked loop circuitry using charge pumps with current mirror circuitry |
US7183862B2 (en) * | 2005-05-25 | 2007-02-27 | Kabushiki Kaisha Toshiba | System and method for phase-locked loop leak compensation |
US7449929B2 (en) * | 2007-02-08 | 2008-11-11 | Motorola, Inc | Automatic bias adjustment for phase-locked loop charge pump |
US7692497B2 (en) * | 2007-02-12 | 2010-04-06 | Analogix Semiconductor, Inc. | PLLS covering wide operating frequency ranges |
KR100907001B1 (ko) * | 2007-07-11 | 2009-07-08 | 주식회사 하이닉스반도체 | Pll 회로 |
CN102255498A (zh) * | 2011-06-28 | 2011-11-23 | 上海宏力半导体制造有限公司 | 电荷泵电路 |
US8664985B2 (en) | 2012-02-02 | 2014-03-04 | Mediatek Inc. | Phase frequency detector and charge pump for phase lock loop fast-locking |
KR102060204B1 (ko) | 2013-06-28 | 2019-12-27 | 솔루엠 (허페이) 세미컨덕터 씨오., 엘티디. | 바이어스 전류의 가변을 이용한 스위칭 방식 전원 장치 |
CN114362747A (zh) * | 2021-12-20 | 2022-04-15 | 北京奕斯伟计算技术有限公司 | 锁相环系统及其电流调节方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8702424A (nl) * | 1987-10-12 | 1989-05-01 | Philips Nv | Oscillatorschakeling met een faseregellus. |
JP3208736B2 (ja) * | 1991-11-08 | 2001-09-17 | ソニー株式会社 | Pll回路 |
US5233314A (en) * | 1992-03-27 | 1993-08-03 | Cyrix Corporation | Integrated charge-pump phase-locked loop circuit |
JPH0685664A (ja) | 1992-09-03 | 1994-03-25 | Nec Ic Microcomput Syst Ltd | チャージポンプ回路 |
US5362990A (en) * | 1993-06-02 | 1994-11-08 | Motorola, Inc. | Charge pump with a programmable pump current and system |
WO1995010880A1 (en) * | 1993-10-12 | 1995-04-20 | Motorola Inc. | Adaptive bandwidth controlled frequency synthesizer |
-
1995
- 1995-11-29 JP JP7311247A patent/JP2845185B2/ja not_active Expired - Fee Related
-
1996
- 1996-11-25 EP EP96118833A patent/EP0777333B1/de not_active Expired - Lifetime
- 1996-11-25 DE DE69613660T patent/DE69613660T2/de not_active Expired - Fee Related
- 1996-11-27 US US08/757,806 patent/US5783972A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0777333A1 (de) | 1997-06-04 |
EP0777333B1 (de) | 2001-07-04 |
DE69613660T2 (de) | 2002-05-08 |
US5783972A (en) | 1998-07-21 |
JPH09153796A (ja) | 1997-06-10 |
JP2845185B2 (ja) | 1999-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |