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<== Date ==> <== Thread ==>

Subject: Re: Digitizer needed for LCLS
From: Peter Milne <Peter.Milne@d-tacq.com>
To: Steve Lewis <SALewis@llnl.gov>
Cc: tech-talk@aps.anl.gov, Elden Ables <ables1@llnl.gov>
Date: Tue, 02 May 2006 10:21:15 +0100
Hi Steve

Do take a look at D-TACQ ACQ196CPCI : 96 simultaneous differential channels, 16 bit resolution, one slot.
http://www.d-tacq.com/acq196cpci.shtml


The card runs Linux, has Ethernet connectivity and runs an EPICS IOC on board.
So a single card in its own private 1U chassis could meet your requirement.


Regarding your specific application, we have a burst streaming mode that will support rapid short bursts;
The EPICS IOC doesn't support this mode at the moment, but it isn't a million miles away either.


Best regards


Peter.



Steve Lewis wrote:


EPICS colleagues:

The LLNL group that is supplying the diagnostics to commission the LCLS needs a digitizer for an energy measurement instrument (calorimeter) with the following characteristics:

- 100 channels sampled simultaneously
- each channel takes 100 samples at 10us per sample (1 ms total time)
- differential inputs
- 12 bits minimum; 14 or even 16 bits preferred
- sampling repeats at 120 Hz major cycle with trigger

A VME or VXI format is ideal.

Any suggestions are most welcome. Ideally, we can discuss this in depth at the June meeting.



--
Peter Milne			Peter.Milne@d-tacq.com
D-TACQ Solutions Ltd		www.d-tacq.com


References:
Digitizer needed for LCLS Steve Lewis

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