D. Attié, X. Coppolani, P. Colas, M. Lupberger, M. Riallot, J. Timmermans, W. Wang

Thanks to K. Dehmelt & U. Renz

LCTPC WP Phone meeting 119 December ç, 2010

i r f u

yalcas

i r f u

yalcas

‘‘Octopuce’ beam testOctopuce’ beam test

Trigger setupTrigger setupTrigger setupTrigger setup

2December 9, 2010 LCTPC WP phone meeting #119

Trigger/shutter and handshake schematics

T.U. ∞

Trigger BUSY

Out

Out

Out = NIMTTL→NIMPC

BUSY

Reset

Out = NIMOut

Out

T.U. ∞T.U. 1.6 μs

EndM

OutReset

NIM→TTL

Out

Shutter when generated by trigger

Shutter active low

Start

TRIGGERS

NIM→TTL

Out

Trigger TTL level to PC

Veto

•He/Iso 80/20•Vmesh = 370V•TOT mode•Shutter time 0.5 s

Gas boxGas boxGas boxGas box

3December 9, 2010 LCTPC WP phone meeting #119

•He/Iso 80/20•Vmesh = 380V•Time mode•Shutter Time: 100 us, start given by beam trigger

TPC at 0TTPC at 0TTPC at 0TTPC at 0T

4December 9, 2010 LCTPC WP phone meeting #119

TPC at 1TTPC at 1TTPC at 1TTPC at 1T

5December 9, 2010 LCTPC WP phone meeting #119

•He/Iso 80/20•Vmesh = 380V•Time mode•Shutter Time: 100 us, start given by beam trigger

TPC at 1TTPC at 1TTPC at 1TTPC at 1T

6December 9, 2010 LCTPC WP phone meeting #119

•He/Iso 80/20•Vmesh = 400V•Time mode•Shutter Time: 100 us, start given by beam trigger