Actual state of high-rate digital gamma-spectrometry
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Two commercially available digital filters with selectable, fixed time constants and triangular pulse response are discussed to outline their potential advantages over traditional analog filters with semi-Gaussian pulse shape. A solution for the “resolution or throughput rate” dilemma is offered by the preloaded digital filter fulfilling the postulate for the ideal adaptive filter with optimum resolution at any counting rate. Throughput rates of >100 kc/s are demonstrated for the preloded digital filter at resolutions superior to those of fixed shaping time filters.
KeywordsPhysical Chemistry Inorganic Chemistry Time Constant Actual State Counting Rate
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