Lecture10 - ENU 4612C/5615C Nuclear Radiation Detection and...

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ENU 4612C/5615C Nuclear Radiation Detection and Instrumentation Lecture 10 Electronics and Pulse Processing (1)
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Electronics and Pulse Processing 1. Pulse transmission and shaping 2. Linear and logic pulse functions 3. Pulse pile-up and rejection 4. Multichannel pulse analysis
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Electronics and Pulse Processing Pulse Transmission and Shaping - Some Typical Objectives of Detector Pulse Processing Counting of pulses at high rate without excessive dead time or “pile-up” losses Preserving good energy resolution (enhancing signal/noise in pulse amplitude information) Preserving time information
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Electronics and Pulse Processing Pulse Transmission and Shaping – Idealized Input and Output i Z L Z 0 Z L V S V Input Output L L S L Z Z Z V V + = 0 S L L V V Z Z << 0
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Electronics and Pulse Processing Pulse Transmission and Shaping – Application of a Step Voltage to a Coaxial Cable Distance along cable t R S V S V V I V Z S = 0
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Electronics and Pulse Processing Pulse Transmission and Shaping – Characteristic Impedance (Z 0 ) R t Reflected Amplitude 0 -A Z 0 0 +A • Independent of cable length • Of significance for fast pulses • Reflection of step waveform at end of coaxial cable
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Electronics and Pulse Processing Pulse Transmission and Shaping – Coaxial Cable Terminator s Source Cable Load
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This note was uploaded on 12/10/2011 for the course ENU 4612c taught by Professor Ghita during the Fall '11 term at University of Florida.

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Lecture10 - ENU 4612C/5615C Nuclear Radiation Detection and...

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