Lecture 13 - ENU 4612C/5615C Nuclear Radiation Detection...

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ENU 4612C/5615C Nuclear Radiation Detection and Instrumentation Lecture 13 Electronics and Pulse Processing (4)
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Electronics and Pulse Processing 1. Pulse transmission and shaping 2. Linear and logic pulse functions 3. Multichannel pulse analysis 4. Pulse pile-up and rejection
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Electronics and Pulse Processing Multichannel Pulse Analysis Single channel methods The multichannel analyzer Spectrum stabilization Computerized spectrum analysis
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Electronics and Pulse Processing Multichannel Pulse Analysis – Differential Pulse Height Spectrum dH dN H N N area = H H
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Electronics and Pulse Processing Multichannel Pulse Analysis Stacked Single Channel Analyzers Input SCA D SCA C SCA B SCA A Counter D Counter C Counter B Counter A
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Electronics and Pulse Processing Multichannel Pulse Analysis – DPHS from Stacked SCAs SCA Windows A B D C 1 2 3 4 Channel No. Pulse Height
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Electronics and Pulse Processing Multichannel Pulse Analysis – Number of Channels Needed R Ch # NaI(Tl) scintillator 0.07 Ge semiconductor 0.002 R ch 4 H peak of # Channel H FWHM R Resolution Detector FWHM channel 4 ~ Want 0 0 =
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Electronics and Pulse Processing Multichannel Pulse Analysis – MCA Calibration Pulse Height Zero offset Channel No.
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Electronics and Pulse Processing Multichannel Pulse Analysis – Amplifier Gain Variation Channel No. Pulse Height Gain = 10 20 50
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Electronics and Pulse Processing Multichannel Pulse Analysis – Integral and Differential Linearity Channel No. Channel No. Pulse Height Counts per channel Integral Linearity Differential Linearity
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Electronics and Pulse Processing Multichannel Pulse Analysis – Multichannel Analyzer In Delay Linear Gate Input Gate ADC Memory SCA Live Time Clock Display “Not busy” Live Time Storage
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Electronics and Pulse Processing Multichannel Pulse Analysis – Analog-to-Digital Converter (ADC) Specifications: Conversion speed Linearity of conversion Digital resolution Conversion gain
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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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Lecture 13 - ENU 4612C/5615C Nuclear Radiation Detection...

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