[evlatests] 'Shredded' Levels
Jim Jackson
jjackson at nrao.edu
Tue Jul 31 19:10:25 EDT 2007
A short piece of cable was added to one of the clock inputs on this
DTS module today. Please check and see if this is still happening.
Thanks,
Jim
At 05:10 PM 7/30/2007, Rick Perley wrote:
> I asked this morning if there were any reports of the 'shredded
>level' problem having been noted over the past few weeks.
>
>To refresh, this is the multiple-level amplitude state, where an
>antenna-IF shows rapidly changing amplitudes (on the 418 ms scale), with
>these amplitudes being at about 5 very well defined levels.
>
> Antenna 11A is showing this behavior on a test done late Monday
>afternoon.
>
> No other EVLA antenna-IF is showing this characteristic.
>
>
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