This unit contains 16 channels of computer-controlled
leading edge discriminators with time-to-charge converters suitable
for use with FERA and other charge-integrating ADCs.
The TQCs can be configured as either common-start or common-stop.
It also contains a test multiplexer that allows the user to inspect
the logic signals from outside the detector
cave or other remote location. These test outputs can be disabled on individual
modules, such that several units can be or'd together
to feed only one logic signal at a time to a
scope for an entire array of detectors.
The discriminators can be configured
to accept either positive or negative going pulses, on a channel
by channel basis.
The discriminator produces individual outputs in
ECL differential form on 34-pin ribbon-cable connectors,
as well as an Or of all 16 channels on a Lemo NIM output.
It also provides multiplicity as 50 mV/hit on a Lemo
The TDC outputs can be vetoed, to prevent starting TDC channels prematurely.
The module occupies 1 slot1 in a standard CAMAC crate.