Er-Lei Chen, Chang-Qing Feng, Shu-Bin Liu, et al. Readout electronics for a high resolution soft X-ray spectrometer based on silicon drift detector. [J]. Nuclear Science and Techniques 28(1):14(2017)
DOI:
Er-Lei Chen, Chang-Qing Feng, Shu-Bin Liu, et al. Readout electronics for a high resolution soft X-ray spectrometer based on silicon drift detector. [J]. Nuclear Science and Techniques 28(1):14(2017) DOI: 10.1007/s41365-016-0160-0.
Readout electronics for a high resolution soft X-ray spectrometer based on silicon drift detector
摘要
Abstract
The readout electronics for a prototype soft X-ray spectrometer based on Silicon Drift Detector (SDD), for precisely measuring the energy and arrival time of X-ray photons, is presented in this paper. The system mainly consists of two parts, i.e., an analog electronics section (including a pre-amplifier, a signal shaper and filter, a constant fraction timing circuit, and a peak-hold circuit) and a digital electronics section (including an ADC and a TDC). Test results with X-ray sources show that an energy dynamic range of 1–10 keV with an integral non-linearity of less than 0.1% can be achieved, and the energy resolution is better than 160 eV @ 5.9 keV FWHM. Using a waveform generator, test results also indicate that time resolution of the electronics system is about 3.7 ns, which is much less than the transit time spread of SDD (< 100 ns) and satisfies the requirements of future applications.
关键词
Keywords
Energy and time measurementSoft X-ray detectionSilicon drift detectorReadout electronics
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