[Halld-pid] TDCs for TOF

[Alexander Ostrovidov]

On Wednesday, June 20, 2012, Eugene Chudakov wrote:
> Hi,
> 
> The TDC selection (the CAEN ones against the F1 ones) should be
> addressed at some moment before ordering the F1 TDCs.
> 
> I have a simple estimate (please give me another one if you know
> better):
> 
> CAEN 16 ch/module => 12 modules (perhaps 13) * $9k=117k. 
> F1 32ch/module => 7 modules * 3k = 21k. 

CAEN VX1290A TDC also has 32 channels per module, not 16.
So, 176 TOF channels will require 6 modules of either CAEN or F1.
 With one spare module, the total cost of CAEN is $63k

Sasha