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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...
A novel baseline holder circuit (BLH) is proposed here, able to produce a stable baseline level at the output of a typical analog front-end channel for particle detectors, both at dc and at high rate operation. The circuit is suitable to be used in modern high-sensitivity gamma-ray medical imaging systems, where high gain shapers are required. A very low frequency pole, which is fundamental for the...
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