[time-nuts] OT: transfer of 3 GHz via fiber optic
Dr Bruce Griffiths
bruce.griffiths at xtra.co.nz
Mon Feb 19 23:35:01 EST 2007
Didier Juges wrote:
> This is somewhat off topic, but still a matter of precision timing.
> A friend of mine wants to send a 3 GHz LO signal up a fiber optic cable.
> I know there have been threads dealing with transmission of precise
> timing signals over fiber optics, and I hope I can get some suggestions
> where to look for more info.
> I have found lots of links to high data rate laser transceivers, but
> while they all tout the high data rate, there is little specified about
> delay, and jitter is not very good, so it seems as a minimum he would
> need a clean-up PLL at the receive end. My initial recommendation was to
> send a precise 10 MHz (where did that come from?) via coax and have a
> synthesizer at the receive end, but he is trying to minimize the amount
> of hardware there.
> Thanks in advance,
> Didier KO4BB
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> time-nuts at febo.com
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