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Design and optimization of an analog filter with a CdTe detector for X-ray fluorescence applications
- Authors
- Choi, H[Choi, Hyojeong]; Kim, HS[Kim, Hui Su]; Kim, YS[Kim, Young Soo]; Ha, JH[Ha, Jang Ho]; Chai, JS[Chai, Jong-Seo]
- Issue Date
- Oct-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- X-ray fluorescence; Analog shaping amplifier; CdTe
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.69, no.7, pp.1157 - 1162
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 69
- Number
- 7
- Start Page
- 1157
- End Page
- 1162
- ISSN
- 0374-4884
- Abstract
- An analog pre-filter circuit for digital pulse processing is designed and optimized for X-ray fluorescence (XRF) applications to replace traditional analog shaping amplifiers. To optimize the pre-filter performance, we characterized noise electrons as a function of the input pulse rise time and decay time of the output pulse by using the full width at half maximum. In addition, gamma-ray energy measurements at room temperature showed that the commercially available CdTe Schottky-type radiation detector with our newly designed and optimized pre-filter circuit exhibited full widths at half maxima of 4.97 (Ba-133, at 53 keV) and 5.56 keV (Am-241, at 59.5 keV), respectively.
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Related Researcher
- CHAI, JONG SEO
- Information and Communication Engineering (Electronic and Electrical Engineering)