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    Development of front-end electronics for large area solid-state neutron detector arrays

    Author
    English, Erik
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    176905_English_rpi_0185N_10746.pdf (10.58Mb)
    Other Contributors
    Hella, Mona Mostafa; Saulnier, Gary J.; Bhat, Ishwara B.;
    Date Issued
    2015-12
    Subject
    Electrical engineering
    Degree
    MS;
    Terms of Use
    This electronic version is a licensed copy owned by Rensselaer Polytechnic Institute, Troy, NY. Copyright of original work retained by author.;
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    URI
    https://hdl.handle.net/20.500.13015/1581
    Abstract
    Solid-state neutron detectors represent a potential replacement technology for Helium-3 gas filled tubes used for detection of special nuclear materials. When scaling these detectors to very large areas the design of the associated electronics becomes critical to overall detection efficiency. This thesis explores the implementation of low noise readout electronics optimized for large area semiconductor neutron detector arrays. The readout system consists of a charge sensitive preamplifier, pulse shaper, and fast threshold crossing discriminator. Three different designs have been implemented, two of which are built using discrete parts on a printed circuit board while the third has been fabricated using the IBM 0.13um CMOS process. Additionally, a novel preamplifier topology, utilizing a capacitance canceling input stage, is presented. Experimental results show that the utilization of a capacitance canceling stage has the capability to lower preamplifier noise by up to 15%. Finally, the CMOS implementation possesses the highest reported performance, in terms of noise and power, for high capacitance detectors to date.;
    Description
    December 2015; School of Engineering
    Department
    Dept. of Electrical, Computer, and Systems Engineering;
    Publisher
    Rensselaer Polytechnic Institute, Troy, NY
    Relationships
    Rensselaer Theses and Dissertations Online Collection;
    Access
    Users may download and share copies with attribution in accordance with a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License. No commercial use or derivatives are permitted without the explicit approval of the author.;
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