sPHENIX discussion of electronics

[Cheng-Yi Chi <chi AT nevis.columbia.edu>]

Hi Martin:

    Either before or after is fine. After the review is probably better 
since people can hear what is the design more systemically...

On 1/2/2019 11:30 AM, Martin Purschke wrote:
> Hi Chi,
>
> Happy New Year!
>
> As you are coming out to BNL Friday, I was wondering if we could carve
> out an hour or so (best before the review) and discuss the prospect of
> using the digitizer front-end in the context of Jin's LDRD. We are
> looking for a streaming-grade digitizer for a test-bed to demonstrate
> and generally play with a EIC-themed streaming readout. We would
> eventually politely ask to use one of the earlier emcal prototypes to
> get started.
>
> We have been looking at a number of existing designs that could be made
> to work with some effort. But in using your analog design, we would get
> what has already been proven to do what we need, and we would cash in on
> the work you and others have already done and which is already paid for.
> That would need to get retrofitted with a high-bandwidth, standard fiber
> digital back-end that can then feed into something like the FELIX card.
>
> We would like to discuss this with the relevant people (Jin, you, me,
> JohnK, Joe, ...), and see what is feasible and what isn't. I think of
> this as the golden solution because the ADCs, connectors,
> characteristics etc already work with our calorimeters, and we would get
> a compliant playpen for the LDRD. And there would be synergy because we
> have a head-start then for the next sPHENIX upgrade.
>
> If you come in the morning, maybe we can find some time?
>
> Thanks,
>
>      Martin and Jin
>
>
> On 1/2/19 9:44 AM, John Haggerty wrote:
> > Eric and all,
> >
> > Happy New Year, I hope you all had a good holiday.
> >
> > I think we might have this review 1-3 on Friday instead of 10-12
> > because Mickey had a problem with 10-12.  It was ok with Chi, but I
> > need to check around some more.
> >
> > On 1/1/19 10:19 PM, Eric Mannel wrote:
> > > As a New Years present, there will be no sPHENIX calorimter meeting
> > > this Wednesday, 2-Jan-2019.  However, for those who enjoy meetings,
> > > there will be an Interim Design Review of the sPHENIX Calorimeter
> > > Digitzer system this Friday,  5-Jan at 1000 EDT,
> > > https://indico.bnl.gov/event/5402/
> > >
> > > I hope everyone had a restful holiday and is ready for a very busy 2019.
> > >
> > > Eric
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