Detector (fl Anode ( +) I Incident Particle JO ions Charge sensitive preamplifier Shaping amplifier Discriminator A Differentiator Voltage gain Integrator (High Pass Filter) (Low pass filter) Cathode ( -Q7 Detector bias suÇPIY t t
IL_A`v rr_ Figure 16.2 Schematic of simple signal processing electronics. This circuit is suitable for use, as shown, in many applications and is conceptually similar to more complex circuits. These elements are discussed in greater detail in Chapter 17. (Courtesy of R. Redus, Amptek, Inc.)ABSTRACT Software for modeling x-ray signals, as detected by a semiconductor radiation detector, has been developed. We model a generic signal generation/collection/processing sequence using Monte Carlo and finite-element analysis software. The suggested framework will allow one to simulate x-ray pulse-height spectrum, various triggering schemes, and can be used for detector optimization.
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