Shutdown pquest SNF 2009-05-07 16:46:29: RF system still not working

jimkruger at snf.stanford.edu jimkruger at snf.stanford.edu
Thu May 7 16:46:30 PDT 2009


I tried computer re-booting and power cycling on RF tuner and supplies but no better result.  I am able to get some RF power and bias by manuall tuning, but it is not stable and RF still shuts down.
If teh RF unit has not gotten into a non-standard mode, I suspect a stray (oxidized?) chip is still in the dark-space such that no DC short shows but an RF short results.




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