Interval selector for random pulses
Francis J. Davis, L. F. Curtiss · Journal of research of the National Bureau of Standards · 1942
An interval selector is described which has been developed to study the distribution of pulses from Geiger-Muller counters .The circuit is designed to count pulses with a separation less than '1', where 'T may be varied between 3 X 10-5 sec and 0.2 sec.Tests are described which show that the circuit accomplishes these measurements with considerable precision.Results of te t s on alcohol-vapor-argon and amyl-acetate-vapor-argon-type Geiger-Muller counters are given which show that counters of this type can be prepared in a simple manner, yielding the proper random distribution of pulses even at very rapid rates of counting.Counters thus prepared have maintained their characteristics for at least 2 years.