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Thanks to single photon detection capability and excellent intrinsic timing resolution, silicon photomultipliers represent an interesting solution in an increasing range of applications which require accurate evaluation of the arrival time of single photons. In this contribution, different front-end electronics solutions for this kind of detectors are compared, to find out more about the achievable...
A comparison among different architectures of front-end preamplifiers for SiPM detectors is useful when relevant performance in terms of timing accuracy is required in single photon detection applications. Many different solutions have been proposed in the past, which can be grouped into three main approaches: charge sensitive amplifiers, voltage-mode amplifiers and current-mode buffers. Here these...
We propose a novel CMOS baseline holder circuit, able to keep at a specified value the dc output voltage of typical integrated front-end analog channels coupled to silicon detectors, for both high energy physics and medical imaging applications. The circuit, together with the shaping filter, forms a slow feedback loop. A very low frequency pole is obtained in the feedback path, without using large...
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