This is with the power supply as provided by TAPR so should be ok.
Xtof.
On 09/03/10 13:44, Bob Camp wrote:
Hi
Power supply noise would be the first thought.
Next up would be grounding inside the Thunderbolt (card to case, connectors to
case).
Bob
On Mar 9, 2010, at 7:32 AM, Christophe Huygens wrote:
Hi,
I noticed several vendors on Ebay have the t-bolt on sale.
However, the once showing their own PN plots seem to get only
-115, -120 dBc/Hz at 100Hz. Yet,
http://www.leapsecond.com/pages/tbolt/noise.htm seems
to have mucht better results: up to -150 depending on
power supply.
By multiplying to 1GHz I also seem to be getting something
like -75 or - 80 rather than -110.
Any thoughts?
Christophe
on4iy
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