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A pulse-processor based on rise time measurement of trapezoidal waveforms by using a count-up ADC
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Description
In order to raise the throughput of low-energy X-ray signals appearing in a background of high-energy pulses, a new pulse-processor that measures the rising time of a trapezoidal waveform instead of the peak height has been developed. A rectangular pre-filter and a gated integrator are used to make the wave-shape at the shaper output linear. A rectangular pulse is formed by adding a differentiated step signal and its integration. The rising time of the trapezoidal waveform is inversely proportional to the height of the input step pulse. Therefore, processing time for a high-energy pulse is shorter than that for low-energy ones. Consequently, the pile-up loss of the low-energy X-rays is reduced.
Journal
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- IEEE Transactions on Nuclear Science
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IEEE Transactions on Nuclear Science 43 1626-1628, 1996-06-01
Institute of Electrical and Electronics Engineers (IEEE)
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Details 詳細情報について
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- CRID
- 1873116917649462912
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- ISSN
- 15581578
- 00189499
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- Data Source
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- OpenAIRE