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Article #2156Re: Phase detector for huge jitter ??
From: Falk Brunner
Date: Wed, 21 Apr 2004 21:59
Date: Wed, 21 Apr 2004 21:59
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1983 bytes
"5hinka" <anonim99@poczta.wp.pl> schrieb im Newsbeitrag news:c66n5p$gsl$1@atlantis.news.tpi.pl... > Estimating clock will be in different time periods. > I have already Extracted clock from 2MBit HDB3 signal. > I think that i will estimate clock on PLL changing FPD filter for different > time periods. > > The hole problem now is to build Phase detector for such big jitter. Simple. Use a 4 bit counter for incomming clock and local VCO. So the compare frequency is then 1/16. With the normal Phase detector with a working range of one period (T), you have a 16 T working range on the desired frequency. Regards Falk
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,3cfe9391bca22339 X-Google-Attributes: gid112d1e,public X-Google-Thread: 112e71,3cfe9391bca22339 X-Google-Attributes: gid112e71,public X-Google-Thread: 103407,3cfe9391bca22339 X-Google-Attributes: gid103407,public X-Google-Thread: 107cee,3cfe9391bca22339 X-Google-Attributes: gid107cee,public X-Google-ArrivalTime: 2004-04-21 15:09:53 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!news.glorb.com!zen.net.uk!dedekind.zen.co.uk!fu-berlin.de!uni-berlin.de!b4370.b.pppool.DE!not-for-mail From: "Falk Brunner" <Falk.Brunner@gmx.de> Newsgroups: sci.electronics.design,de.sci.electronics,aus.electronics,sci.electronics.misc Subject: Re: Phase detector for huge jitter ?? Date: Wed, 21 Apr 2004 23:59:32 +0200 Lines: 21 Message-ID: <c66rfe$8mvmo$2@ID-84877.news.uni-berlin.de> References: <c66585$b9u$1@nemesis.news.tpi.pl> <ih6d80tp5je4djjbel7arquapcnur003m9@4ax.com> <c666k8$gci$1@nemesis.news.tpi.pl> <sb8d80tk1lndhnmd1cuv8itde8oth6m1gq@4ax.com> <c66n5p$gsl$1@atlantis.news.tpi.pl> NNTP-Posting-Host: b4370.b.pppool.de (213.7.67.112) X-Trace: news.uni-berlin.de 1082585391 9141976 I 213.7.67.112 ([84877]) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200