A simple non-linear pulse height compensator for use with a time to amplitude converter
Review articleOpen access
Abstract:

AbstractA simple non-linear pulse height compensator for use with a time to amplitude converter is reported. It consists of two resistances, a diode and a linear amplifier. Using a 60Co source we obtain a smooth residual walk curve with maximum time shift ≤330 ps over the upper 75% of the energy range. About 50% of the energy range is well fit by a straight line with total droop of (3 ± 3) ps from end to end. The circuit makes practical the walk corrections required in the delayed coincidence measurement of short lifetimes.

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