[Halld-tracking-hw] FDC test plan
Fernando J. Barbosa
barbosa at jlab.org
Tue Dec 8 00:37:26 EST 2009
Hi Beni,
I took a quick look at your note and here are some observations:
a. the operating voltages should be +1800V to +2200V and -500V.
b. the anode wires are AC coupled to the preamps; the cathode strips are
DC coupled to the preamps.
Regarding the readout, we won't have anything close to those numbers. In
order to keep the readout as close as possible to the final
configuration, we will have two (2) shaper boards (I will modify the
high gain one to low gain). Therefore, we will have 16 channels each of
anodes and cathodes. We need to discuss and modify the testing plans
accordingly.
Best regards,
Fernando
Beni Zihlmann wrote:
> Hi Folks,
> attached is the GlueX doc 1306-v1 which serves as a base for the FDC
> prototype
> test plan. Have a look at it and tell me what else might need to be
> addressed in these
> tests.
>
> thanks,
> Beni
>
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