[time-nuts] GPS Locked and Unlocked Performance Comparison
SAIDJACK at aol.com
SAIDJACK at aol.com
Thu Feb 14 00:47:54 UTC 2008
Hi Bruce,
there is an excellent paper in this months Evaluation Engineering on how to
get 3000dB EMI suppression out of an enclosure, and how small cracks, holes,
and crevices can degrade that performance to only 20dB or so:
_http://www.evaluationengineering.com/features/2008_February/0208_emc.aspx_
(http://www.evaluationengineering.com/features/2008_February/0208_emc.aspx)
bye,
Said
In a message dated 2/13/2008 15:22:47 Pacific Standard Time,
bruce.griffiths at xtra.co.nz writes:
Another leakage path is via the mains (or other supply) leads, RFI
filters on the mains (or other supply) inputs are advisable.
The mains wiring can be a reasonably effective antenna at 10MHz.
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