Article View: sci.electronics.design
Article #2151Re: Phase detector for huge jitter ??
From: Jim Thompson
Date: Wed, 21 Apr 2004 16:30
Date: Wed, 21 Apr 2004 16:30
42 lines
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2937 bytes
On Wed, 21 Apr 2004 18:11:49 +0200, "5hinka" <anonim99@poczta.wp.pl>
wrote:
>
>U�ytkownik "Jim Thompson" <thegreatone@example.com> napisa� w wiadomo�ci
>news:ih6d80tp5je4djjbel7arquapcnur003m9@4ax.com...
>> On Wed, 21 Apr 2004 17:48:15 +0200, "5hinka" <anonim99@poczta.wp.pl>
>> wrote:
>>
>> >How to build a phase detector??
>> >I know that normal design is two flip-fops and NAND gate but it works
>only
>> >with phase difference between signals smaler than 1 (T). How could I
>> >possibly build a phase detector when phase difference between signals is
>up
>> >to 10-20 (T)?? It could be hole digital or digital/analog solution.
>> >Anybody know any suitable links??
>> >Greetings
>> >5hinka
>>
>> Are you saying you have jitter that is up to 10-20*T?
>>
>> How could you ever define that as "phase-locked"?
>>
>
>
>IEEE is saying that jitter in 2Mbit signal (HDB3) can have jitter up to at
>least 5 T is jitter 10-20*T isnt very big.
>Greetings
I think you should be surfing for "Clock Extraction".
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: 112d1e,3cfe9391bca22339 X-Google-Attributes: gid112d1e,public X-Google-Thread: 112e71,3cfe9391bca22339 X-Google-Attributes: gid112e71,public X-Google-Thread: 107cee,3cfe9391bca22339 X-Google-Attributes: gid107cee,public X-Google-Thread: 103407,3cfe9391bca22339 X-Google-Attributes: gid103407,public X-Google-ArrivalTime: 2004-04-21 09:30:20 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!news.glorb.com!cox.net!news-xfer.cox.net!p01!fed1read07.POSTED!not-for-mail From: Jim Thompson <thegreatone@example.com> Newsgroups: sci.electronics.design,de.sci.electronics,aus.electronics,sci.electronics.misc Subject: Re: Phase detector for huge jitter ?? Message-ID: <sb8d80tk1lndhnmd1cuv8itde8oth6m1gq@4ax.com> References: <c66585$b9u$1@nemesis.news.tpi.pl> <ih6d80tp5je4djjbel7arquapcnur003m9@4ax.com> <c666k8$gci$1@nemesis.news.tpi.pl> X-Newsreader: Forte Agent 1.93/32.576 English (American) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Lines: 42 Date: Wed, 21 Apr 2004 09:30:19 -0700 NNTP-Posting-Host: 68.98.49.141 X-Complaints-To: abuse@cox.net X-Trace: fed1read07 1082565019 68.98.49.141 (Wed, 21 Apr 2004 12:30:19 EDT) NNTP-Posting-Date: Wed, 21 Apr 2004 12:30:19 EDT Organization: Cox Communications