Re: preampboard and shaper test

[Mitch Newcomer <mitch@hep.upenn.edu>]

 Gerard and Simon,  it would be great to get a gallery of  digitized 
waveforms from the outputs of each block on the CDC   Probably as close 
to being there as I can
get in December.  thanks,   Mitch


Fernando J. Barbosa wrote:
> Hi Gerard,
>
>    Because we have a limited number of ASICs, I will send you the 
> preamp card, interposer and cable that were destined to be sent to 
> CMU, unless there are objections. You can then take all these items 
> with you to CMU for tests with the CDC.
>
> Regards,
> Fernando
>
>
>
> Gerard Visser wrote:
>> Hi Elke,
>>     Yes this sounds like a good idea. I have been making tests here 
>> with the cable and receiver/shaper, I think I have a first pass 
>> design for the cable equalization completed. It will be excellent to 
>> move on to tests with the real preamp board and the cable and 
>> receiver/shaper.
>>     If I can receive from Fernando a pream board relatively soon, to 
>> get these tests completed, then I think it would make a lot of sense 
>> for me to come and work with the CDC or FDC prototype soon. 
>> Personally, I would like to focus on the CDC first, because there we 
>> need to get best possible timing measurement and have the larger 
>> dynamic range of signals to handle, and especially because I have not 
>> yet had any opportunity to work with signals from the CDC. Maybe 
>> Simon and I could both meet with Yves at CMU for this effort. 
>> Mid-december should be possible for my schedule. I would be 
>> unavailable from 12/21 to 1/2; the RHIC run is now starting but I 
>> believe (but not quite confirmed yet) my new and old hardware in STAR 
>> is working so I don't anticipate to travel again soon for that.
>>     Thanks,
>>         Gerard
>>
>> Elke-Caroline Aschenauer wrote:
>>> Dear Gerard,
>>>
>>> as you for sure already know we will have latest end of next week 
>>> preamp
>>> boards with the asic and cables so we can test things with the CDC 
>>> and the
>>> FDC prototypes.
>>> As it is very important to test things also with the shaper we have 
>>> been
>>> wondering you could come to JLab or CMU or both to work with Simon and
>>> Yves get nice signals out. It would be really super great if that could
>>> still happen before mid of December as we would like to have first data
>>> especially with the CDC to test fits to the signal shape, so we see 
>>> we can
>>> get the required timing resolution.
>>>
>>> I think it would be very helpful if you could tell us what your time
>>> constraints are.
>>>
>>> thanks Elke