[evlatests] current 3-bit sampler incarnation status

[Bryan Butler]

so why is it 10 dB instead of the 7 that mike measured on the bench?

	-bryan


Ken Sowinski wrote, On 6/1/11 17:13 PM:
> Three-bit sampelrs were again installed in the usual antennas
> today: ea12, ea15, ea22 and ea28.  A first sanity check was
> made using a K band script.
>
> the sampler in ea12 had to be reset before it looked reasonable.
> The inputs to the sampler in ea28 are swapped.  The range of
> input power required to achieve the niminal sampler RMS is now
> 10 dB.
>
> The table below documents the power required for each
> sampler using the script K3bit.  Column A is antenna/IF, B are
> the required input and output attenuator settings, C is the output
> power in dBm, D is the sampler RMS.
>
>     A       B       C      D
> ea12A   11/19   -20.2   1.55
>       C   17/16   -22.9   1.56
> ea15A   11/20   -23.7   1.55
>       C   12/22   -25.0   1.59
> ea22A   14/9    -15.2   1.60
>       C   11/12   -17.1   1.56
> ea28A   11/18   -20.9   1.64
>       C   15/15   -19.2   1.65
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