October 20, 2010 online meeting minutes

present: Sergey Boyarinov, Sergey Pozdnyakov, Eugene Pasyuk, Pawel, Nerses

1.PRIMEX2 status

• Live time scalers: need 2 caen560 scalers, gated one must be gated by TS busy signal; addresses will be send to Sergey B.

• Amhendra Nahayan from Hall C took AC cable from croctest2, will return it in few weeks, phone 757-952-6126, nahayan@jlab.org (in Compton, Hall C)

• tage replacement:: have crte, have tdcs 1190, neew TI, need 34pin cable adapters, need one level translator, need back transition piece for co-processor, will put it on external cart temporary and eventualy remove FASTBUS TAGE crate; Sergey B. will try to get 34pin male connectors asap

• livetime from TS2 sometimes higher then 100%, need to understand and fix; correction function was taken out, seems no difference ?

• trigger bit 2 (OR from hycal) is jumping factor 3, every about 5 minutes, need to investigate, maybe analog sum from hycal or discriminator, will bring analog scheme output upstears and watch it (or use scope downstears, need to connect it to the network); analog sums are UVA 120 boards

• philips 757 has broken switch, works in one section mode, need to be replaced so we have more sections