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Re: preampboard and shaper test
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