[Halld-tracking-hw] Report on the new preamp ASIC and Card- GlueX-note-1364

[Fernando J. Barbosa]

Hi Gerard,

I only have 3 boards at the moment and will send one to Mitch for 
further characterization (noise, etc.) Next week, I will try to have the 
other two boards tested with the FDC full scale prototype for a few 
preliminary tests. Once that is done, I will send you one. Certainly, 
this will help in settling the final design for the fADC125.

I'm also in the process of getting a few more boards fabbed and 
assembled but that will take a while longer.

Best regards,
Fernando

Gerard Visser wrote:
> Hi Fernando,
>     That is excellent news - and excellent work by you and Mitch. Thanks!
>     Please send me one of these boards at your earliest convenience, I 
> am eager to try it with the (half) ADC125. We should also double-check 
> the optimum termination resistances before you assemble a large lot, I 
> think.
>     Sincerely,
>
>         Gerard
>
> Fernando J. Barbosa wrote:
>> Hello everyone,
>>
>> I am happy to report that the new ASIC (GAS-II) and the 24-ch preamp 
>> card (GPC-II) perform to specifications. I have placed a test report 
>> (GlueX-doc-1364) on the portal describing the test results. A 
>> detailed report, with fabrication process statistics on the ASIC, 
>> will be available soon from Mitch.
>>
>> I am now in the process of procuring enough preamp cards (<40) for 
>> detailed studies with the CDC and the FDC full scale prototypes and 
>> with the upcoming fADC125. Depending on these tests, I plan to move 
>> the ASIC into production (~3000) by the middle of 2010.
>>
>> Best regards,
>> Fernando
>>
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