[Solid_daq] Fwd: Re: MAROC readout from H8500 PMT

[Alexandre Camsonne]

---------- Forwarded message ----------
From: "Evaristo Cisbani" <evaristo.cisbani at iss.infn.it>
Date: Nov 22, 2013 11:28 AM
Subject: Re: MAROC readout from H8500 PMT
To: "Alexandre Camsonne" <camsonne at jlab.org>
Cc: "Paolo Musico" <Paolo.Musico at ge.infn.it>, "Zein-Eddine MEziani" <
meziani at temple.edu>

Dear Alexandre,

one MAROC card has 64 channels. We use it for the Hamamatsu H8500.

I do not know what kind of PMT you intend to use. If it is a single
channel, one MAROC is more than enough; you probably need some
electrical adapter from the PMT output to the SAMTEC connector of the
MAROC front end card.

Attached is an early description of the current electronics.

Cheers,
Evaristo

On Fri, 2013-11-22 at 10:51 -0500, Alexandre Camsonne wrote:
> Sure no worries.
>
> Is one card enough to equip 1 PMT ?
> I think we would like to instrument one full PMT. The trigger might be
> an issue since we want to use pipeline electronics. I will look at the
> rich presentation Tom Hemmick sent us though if you have more
> documentations available could you point us to them .
>
> Dear Alexandre,
>
> sorry for the late replay.
>
> We can probably lend some cards (+ backplane + controller); how many
> channels do you need ?
>
> Take into account that the current version need a trigger within about
> 250 ns.
>
> In these days we are testing the timing performance of the MAROC,
> which
> is expected to be very interesting (about 40 ps resolution with many
> photons and better than 400 ps resolution for single photons).
>
> Most likely we are going to adopt the MAROC for the CLAS12 RICH.
>
> Cheers,
> Evaristo
>
>
> On Wed, 2013-11-20 at 15:46 -0500, Alexandre Camsonne wrote:
> > Hi Evaristo,
> >
> >
> > we were discussing about the Cerenkov readout of the SoLID detector,
> >
> > and it seems your MAROC front end might work for us.
> >
> >
> > Do you think it would be possible to borrow one of those front end
> > board so we can evaluate if we can use it for SoLID ?
> >
> >
> > Thank you,
> >
> > Alexandre
> >
>
> --
>  Evaristo Cisbani                      office : +39 06 4990 2847
>  Istituto Superiore di Sanita`         lab    : +39 06 4990 2347
>  Department of Technology and Health   fax    : +39 06 4990 2137
>  and Istituto Nazionale di Fisica Nucleare Roma - gruppo Sanita`
>  via Regina Elena 299 - 00161 Rome     web    :
> www.iss.infn.it/cisbani
>  Italy
> ------------------------------------------------------------------------
>

--
 Evaristo Cisbani                      office : +39 06 4990 2847
 Istituto Superiore di Sanita`         lab    : +39 06 4990 2347
 Department of Technology and Health   fax    : +39 06 4990 2137
 and Istituto Nazionale di Fisica Nucleare Roma - gruppo Sanita`
 via Regina Elena 299 - 00161 Rome     web    : www.iss.infn.it/cisbani
 Italy
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