[time-nuts] 10 MHz over optical fiber?

[tomknox at nist.gov]

Hi;
This may fit your needs, Wenzel made a 10MHz reference that was  
disciplined thru fiber. I am currently using one. It could be easily  
modified to use battery power. It had very low phase noise.
Thomas Knox
NIST
4475 Whitney Place
Boulder Colorado 80305
1-303-554-0307
tomknox at nist.gov



Quoting "Magnus Danielson" <magnus at rubidium.dyndns.org>:

> Marco IK1ODO -2 skrev:
>> Hi all,
>>
>> I have to carry a 10 MHz standard frequency signal inside an EMC
>> screened room via fiber optic cable.
>>
>> Not willing to re-invent the wheel, do something like an optical
>> standard frequency link exist on the market?
>
> Yes. I know of several commecial systems. If you only need to do a short
> jump, then using fairly basic E/O-O/E equipment should work well
> enought. It all depends if you want/can to roll your own or need to buy
> a finished product (aka "buy this, and you will be fine!").
>
> Stay of plastic "fiber" if you can. Go multimode at least.
>
>> I think it is possible to use standard 100MB LAN transceivers, and
>> POF. Phase noise requirements
>> are not very stringent, and the distance is in the order of some tens
>> of meters.
>
> Cheers,
> Magnus
>
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