[Halld-tracking-hw] New preamp - resending table

Fernando J. Barbosa barbosa at jlab.org
Fri Apr 9 14:05:05 EDT 2010


Hi Gerard,

Thanks for the reminder. We have adopted the convention of numbering all 
readout electronics starting with channel 0.

Best regards,
Fernando



Gerard Visser wrote:
> Hi all,
>     Well, small correction to the below is that the ADC125 channels 
> are actually labelled 0-71 (i.e. 0-23 on one connector, then 24-47 and 
> 48-71. At least on the documentation and currently in the readout 
> data. The latter is just firmware and could be modified. However I 
> would argue that it is better to start from 0 so that channel numbers 
> are directly useful as indices.
>
>     Gerard
>
> Fernando J. Barbosa wrote:
>> Hi Yves,
>>
>> Just for clarification, the new cable should have a one-to-one 
>> correspondence to the new preamp and the fADC125. This is HVB chs 
>> 24-1 map into new cable chs 1-24 which map into fADC125 chs 1-24. I 
>> will re-label the new HVB chs 1-24 as well.
>>
>> Best regards,
>> Fernando
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