A 8-bit 10-MSample/s Folding &amp; Interpolation ADC using Preamplifier Sharing Method

Ahn, Cheolmin; Kim, Young‐Sik

doi:10.7471/ikeee.2013.17.3.275

Journal of IKEEE

2013

DOI: 10.7471/ikeee.2013.17.3.275

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A 8-bit 10-MSample/s Folding & Interpolation ADC using Preamplifier Sharing Method

Cheolmin Ahn¹,

Young‐Sik Kim²

Abstract: In this paper, a 8bit 10Ms/s CMOS Folding and Interpolation analog-to-digital convertor is proposed. The

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Cited by 2 publications

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Study on Scintillator Polishing Technology for Increasing the Detection Efficiency of Radiation Detectors Using Plastic Scintillators

Kim¹,

Joo²

2014

Journal of IKEEE

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Scintillators were polished in four steps using polishing paper, to reduce the optical loss occurring at their cross section when radiation detectors are fabricated with plastic scintillators. We studied the correlation between the polishing steps and detection efficiency and assessed the detection characteristics that are dependent in the polishing steps. Our results showed that the detection efficiency increased by approximately 7.75 times for a detector that used a scintillator polished in four steps, compared to a detector that used an depolished scintillator.

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Study on Scintillator Polishing Technology for Increasing the Detection Efficiency of Radiation Detectors Using Plastic Scintillators

Kim¹,

Joo²

2014

Journal of IKEEE

View full text Add to dashboard Cite

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Fabrication of Fiber-optics Detector for Measuring Radioactive Waste

Kim¹,

Joo²

2015

Journal of IKEEE

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In this study, an optical fiber detector was constructed by using a Ce:GAGG scintillator, optical fiber, and photomultiplier. The single crystal size of the scintillator was set to 3 × 3 × 20 mm after simulating the counting efficiency of gamma rays in the scintillator by using the MCNPX code. The constructed detector used the standard gamma ray sources 137 Cs and 133Ba to measure radiation and analyze the spectral characteristics of gamma rays. The resulting trend curve showed excellent linearity with an R-squared value of 0.99741, and the detector characteristics were found to vary 2% or less with distance based on comparison with the MCNPX value. Furthermore, the spectroscopic analysis of the gamma ray energy from the single-ray and mixed-ray sources showed that 137 Cs had its peak energy at 662 keV, and 133 Ba had at 356 keV. It seems that if the fiber-optics detector is used, working hours and exposure of worker can be reduced.

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A 8-bit 10-MSample/s Folding & Interpolation ADC using Preamplifier Sharing Method

Abstract: In this paper, a 8bit 10Ms/s CMOS Folding and Interpolation analog-to-digital convertor is proposed. The

Cited by 2 publications

References 8 publications

Study on Scintillator Polishing Technology for Increasing the Detection Efficiency of Radiation Detectors Using Plastic Scintillators

Study on Scintillator Polishing Technology for Increasing the Detection Efficiency of Radiation Detectors Using Plastic Scintillators

Fabrication of Fiber-optics Detector for Measuring Radioactive Waste

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