DE69835898D1 - Frequenzdetektor - Google Patents
FrequenzdetektorInfo
- Publication number
- DE69835898D1 DE69835898D1 DE69835898T DE69835898T DE69835898D1 DE 69835898 D1 DE69835898 D1 DE 69835898D1 DE 69835898 T DE69835898 T DE 69835898T DE 69835898 T DE69835898 T DE 69835898T DE 69835898 D1 DE69835898 D1 DE 69835898D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency detector
- detector
- frequency
- 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 - Lifetime
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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6242697P | 1997-10-15 | 1997-10-15 | |
US62426P | 1997-10-15 | ||
US09/168,369 US6560305B1 (en) | 1997-10-15 | 1998-10-07 | Frequency detector |
US168369 | 1998-10-07 | ||
PCT/US1998/021527 WO1999019986A1 (en) | 1997-10-15 | 1998-10-13 | Frequency detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69835898D1 true DE69835898D1 (de) | 2006-10-26 |
DE69835898T2 DE69835898T2 (de) | 2007-04-26 |
Family
ID=26742239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69835898T Expired - Lifetime DE69835898T2 (de) | 1997-10-15 | 1998-10-13 | Frequenzdetektor |
Country Status (4)
Country | Link |
---|---|
US (1) | US6560305B1 (de) |
EP (1) | EP1023775B1 (de) |
DE (1) | DE69835898T2 (de) |
WO (1) | WO1999019986A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5978379A (en) | 1997-01-23 | 1999-11-02 | Gadzoox Networks, Inc. | Fiber channel learning bridge, learning half bridge, and protocol |
US7430171B2 (en) | 1998-11-19 | 2008-09-30 | Broadcom Corporation | Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost |
US6853696B1 (en) * | 1999-12-20 | 2005-02-08 | Nortel Networks Limited | Method and apparatus for clock recovery and data qualification |
US6930628B2 (en) * | 2001-05-03 | 2005-08-16 | Coreoptics, Inc. | Amplitude detection for controlling the decision instant for sampling as a data flow |
DE10319899B4 (de) * | 2003-04-29 | 2006-07-06 | Infineon Technologies Ag | Verfahren und Frequenzvergleichseinrichtung zum Erzeugen eines Kontrollsignals, das eine Frequenzabweichung anzeigt |
US7502434B2 (en) * | 2004-03-30 | 2009-03-10 | Silicon Laboratories Inc. | Frequency detector including a variable delay filter |
US7397876B2 (en) * | 2004-08-11 | 2008-07-08 | International Business Machines Corporation | Methods and arrangements for link power reduction |
KR102151184B1 (ko) | 2013-07-24 | 2020-09-02 | 삼성전자주식회사 | 클록 데이터 복원 회로 및 이를 포함하는 타이밍 컨트롤러 그리고 이의 구동 방법 |
US9568520B2 (en) * | 2014-05-16 | 2017-02-14 | Hamilton Sundstrand Corporation | Frequency detection circuits |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4069462A (en) | 1976-12-13 | 1978-01-17 | Data General Corporation | Phase-locked loops |
US4222013A (en) | 1978-11-24 | 1980-09-09 | Bowers Thomas E | Phase locked loop for deriving clock signal from aperiodic data signal |
US4773085A (en) | 1987-06-12 | 1988-09-20 | Bell Communications Research, Inc. | Phase and frequency detector circuits |
US5301196A (en) | 1992-03-16 | 1994-04-05 | International Business Machines Corporation | Half-speed clock recovery and demultiplexer circuit |
EP0758171A3 (de) * | 1995-08-09 | 1997-11-26 | Symbios Logic Inc. | Datenabtastung und -rückgewinnung |
US6081572A (en) * | 1998-08-27 | 2000-06-27 | Maxim Integrated Products | Lock-in aid frequency detector |
JP3570902B2 (ja) * | 1998-09-21 | 2004-09-29 | 富士通株式会社 | 位相周波数検出器およびそれが組み込まれた位相ロックループ回路 |
DE19859515C1 (de) * | 1998-12-22 | 2000-04-20 | Siemens Ag | Digitaler Phasen-Frequenz-Detektor |
-
1998
- 1998-10-07 US US09/168,369 patent/US6560305B1/en not_active Expired - Lifetime
- 1998-10-13 WO PCT/US1998/021527 patent/WO1999019986A1/en active IP Right Grant
- 1998-10-13 DE DE69835898T patent/DE69835898T2/de not_active Expired - Lifetime
- 1998-10-13 EP EP98953417A patent/EP1023775B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999019986A1 (en) | 1999-04-22 |
EP1023775A1 (de) | 2000-08-02 |
US6560305B1 (en) | 2003-05-06 |
DE69835898T2 (de) | 2007-04-26 |
EP1023775B1 (de) | 2006-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |