[time-nuts] time-nuts Digest, Vol 40, Issue 8

Burt I. Weiner biwa at earthlink.net
Sun Nov 4 12:47:26 EST 2007


Everything will multiply.  Error, phase shift/jitter.

Burt, K6OQK

At 09:00 AM 11/4/2007, you wrote:
>Subject: Re: [time-nuts] Fury Interface Board: 5MHz needed?
>To: Discussion of precise time and frequency measurement
>         <time-nuts at febo.com>
>Message-ID: <472DE44B.7050407 at darksmile.net>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>Hello everyone,
>
>Shall we consider 5MHz OCXO's?
>
>I have a BUNCH of those. Most are really low end devices but I also have
>a few gems.
>I mean, some people might have a really nice 5MHz OCXO. Why exclude
>them, if we don't have to?
>
>Anyone out there with interest in this?
>
>If nobody, except me, wants this I'll just drop it.
>
>Bruce suggested that a NIST JFET frequency doubler might do the trick.
>
>What does the math say?
>
>If the frequency is multiplied by two, what else is multiplied?
>Frequency error? I would think so.
>
>What about phase noise?
>
>Does the overall error stay the same?
>
>How would that fit with the Fury?
>
>Any thoughts here?
>
>-George

Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa at earthlink.net
K6OQK 




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