[sdiy] look Ma, no hands! ??

Dana Scott danas at egosys.com
Sat Apr 7 21:35:31 CEST 2001


Try this: slip a ferrite bead over the scope ground lead....
-Dana
-

>Typical of the little bag of parts is...
>1) a coil spring that slips over the probe with the tip removed...
and has
>a sharp point. This is used to make a ground connection at the same
time as
>the tip connection. This will eliminate as much inductance from the
measurement
>as is possible with that probe.
>
>Use this as a sanity check when you think the scope is lying to you
from
>inductive pickup in the ground lead.
>





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