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The NIM pulse width of discriminator outputs is set to 10 20 ns by default.

By tuning the first discriminator one can change the pulse timing at the OR input.


The final NIM trigger pulse is 50 60 ns long.

With default settings the NIM trigger arrives at the digitizer ~60 ns after the actual trigger inputgate is delaying the Pulser Trigger by ~245 ns.

The Beam Trigger is delayed via the gate and 5*20 m BNC cable (~5*100 ns) by ~1705 ns.

The trigger signals for TR0/1 is delayed by ~5 ns and is 10 ns long.


The beam trigger is received at the VME crate in FKG20-24:

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