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KMID : 0357520120350040315
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Journal of Radiological Science and Technology
2012 Volume.35 No. 4 p.315 ~ p.319
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Development of Signal Process Circuit for PSAPD Detector
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Yoon Do-kun
Lee Won-ho
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Abstract
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The aim of this study was to develop a signal process circuit for a position sensitive avalanche photodiode detector. The circuit parts consisted of amplification, differential and peak/hold circuit. This research was the baseline to develop highly compact radiation detector. The signal was amplified by an amplification chip and its shape was changed in a differential circuit to minimize the pulse tailing. The peak/hold circuit detect the peak of the signal from the differential circuit and hold the amplitude of the peak for data acquisition. In order to test the intrinsic function of the circuit, the input signal was transmitted from a commercial pulse generator.
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KEYWORD
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PSAPD, Amplification Circuit, Differential Circuit, Peak & Hold
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