[Halld-cal] BCAL objects in DANA
Fernando J. Barbosa
barbosa at jlab.org
Fri Feb 12 11:52:55 EST 2010
Hi Richard,
This is not settled yet but there is the option of pre-setting the bias
based on each SiPM characteristics (pre-determined). This is, one bias
supply channel feeds a group of SiPMs with a voltage divider per SiPM.
Yes, this is very important and I will be spending more time on this
issue soon.
Best regards,
Fernando
Richard Jones wrote:
> Fernando,
>
> Does this plan include individual bias control for each SiPM module
> (package)? This is still important, even within sets whose analog
> outputs are summed into a single digitization channel.
>
> -Richard J.
>
>
> Fernando J. Barbosa wrote:
>> Hi Beni,
>>
>> The present plan is to get sums of three inner SiPMs and sums of four
>> outer SiPMs, all radially. This is not fixed yet but budgets don't allow
>> for finer granularity.
>>
>> Best regards,
>> Fernando
>>
>>
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