Re: 7904 - Very Dim Trace


On Mon, 15 Feb 2016 00:12:42 -0600, you wrote:

At 12 kilovolts, it was not as bright or sharp as when the 7904 is
using a 24 kilovolt PDA but it was close. Deflection was down about
10% versus being halved with no PDA at all.
Oh, and this means that it is possible that the high voltage
multiplier has been bad for some time and the calibration of your 7904
compensated for the slightly low deflection.

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