[Halld-pid] CAEN VX1290 and DAQ compatibility

[Paul Eugenio]

Hi,

I copied below a message from Chris regarding using the CAEN TDC in the trigger.



>> 
>> The good news is that a fanout board has been developed that distributes the clock from our Trigger Interface (TI) board to a V1290 TDC.  This way there is no need to modify the commercial (CAEN) boards, and the signal integrity of the fanout board has been tested with a full crate, using the front panel clock/trigger connection. (Hall B - Sergey B.)  The TI can be used in a '64x crate and it makes sense to use a '64x crate in this instance, because the VXS crate features would not be used by the CAEN TDC.  If you wanted to use other JLAB VXS payload modules in lets say half the crate, you could still use the CAEN TDCs with the front panel clock/trigger fanout from the TI. 
>> 
>> I have copied William Gu on this message since he was the designer of this fanout module and will have the latest documentation. 
>> 
>> Keep me posted, 
>> -Chris

> 






--
Prof. Paul Eugenio
Florida State University
Department of Physics
Tallahassee, Florida,  USA 32306

(850) 325-0314
eugenio at fsu.edu




On Feb 3, 2012, at 4:50 PM, Elton Smith wrote:

> HI all,
> 
> I do not think the CAEN TDCs can be integrated into the trigger, which 
> could be useful.
> 
> Cheers, Elton.
> 
> Elton Smith
> Jefferson Lab MS 12H5
> 12000 Jefferson Ave
> Suite #16
> Newport News, VA 23606
> (757) 269-7625
> (757) 269-6331 fax
> 
> 
> On 2/3/12 4:31 PM, Elliott Wolin wrote:
>> Hi,
>> 
>> Use of this board in the Hall D DAQ will have to be carefully
>> coordinated with Fernando, and with Alex if it will be part of the
>> trigger system or if there are unusual requirements for delivering the
>> trigger to it.
>> 
>> Further, if we decide to use it someone will have to present the full
>> plan and board details to the Online group.
>> 
>> Thanks,
>> 
>> 
>> On 02/03/2012 04:23 PM, Mark M. Ito wrote:
>>> Folks,
>>> 
>>> Just talked to Dave Abbott of the DAQ group. He says there is no
>>> impediment to using the CAEN VX1290 in our data acquisition. It supports
>>> event blocking, and they have a way of distributing trigger signals to a
>>> crate of boards of this type. He cautions against mixing these TDC's
>>> with other types of boards in the same crate for efficiency reasons.
>>> 
>>> Hall B will be using these TDC's and support for their use in CODA-based
>>> systems is already in the plan.
>>> 
>>>     -- Mark
>>> 
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