DOUBLE THRESHOLD DISCRIMINATOR FOR TIMING MEASUREMENTS

The new type of a discriminator is based on the idea of simultaneous t ime measurements at two different thresholds for each pulse. Instead o f using two independent electronic TDC channels this discriminator pro duces an output pulse with the timing taking into account the informat ion from two time measurements ''on-line''. The operation principle, a nalytical calculations and experimental results are presented. The tim e walk of the discriminator at the level of 10 ps in the range of the input pulse height of 0.2-1.5 V has been obtained.