[Halld-tracking-hw] new fADC results
Fernando J. Barbosa
barbosa at jlab.org
Thu Apr 7 13:41:33 EDT 2011
Hi Naomi,
The amplitude on the modified HVB you have has a factor of 0.5.
Best regards,
Fernando
Naomi Jarvis wrote:
> Hi Fernando,
>
> I am still working on the new fADC cosmics results, as I go I am putting
> histograms onto this page:
>
> http://www.jlab.org/Hall-D/software/wiki/index.php/New_fADC_with_cosmics
>
> It turns out that the gain is a fair bit lower than for the previous
> setup... so the dynamic range is just great, but we might need to move the
> cosmics peak up a little to make sure that it clears the noise. The
> prototype is fine but the big CDC will probably be noisier. I wanted to
> give you a heads up now that we might need you to change the scaling
> factor on the modified HVB. We still need to think about this a bit more.
>
> Can you remind me what was the factor that the HVB modification scaled the
> amplitude by please?
>
> Thanks,
>
> Naomi.
>
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