An overload cancellation circuit for a charge-sensitive preamplifier

The pre-amplifier with an active reset system was examined to carry out PIXE analysis under the condition that X-rays and back scattered protons are detected simultaneously. Rejection of false signals produced by back scattered protons is discussed, and it is confirmed that false signals can be completely rejected by using an inhibit signal of the preamplifier. Energy resolution of an X-ray detector and a live-time of measurement system were measured as a function of counting rate. As a result, energy resolution did not change and the live-time was 70 % at the high counting rate over 3kcps. The pile-up effect on the X-ray signal with the proton signal tail is also discussed.

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An overload cancellation circuit for a charge-sensitive preamplifier

Cited by 2 publications

References 4 publications

Verminderung der Übersteuerungsempfindlichkeit eines Ge(Li)-Spektrometersystems

Verminderung der Übersteuerungsempfindlichkeit eines Ge(Li)-Spektrometersystems

Investigation on the Influence of Back Scattered Protons in Pixe Spectrum

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