“CUBE”, A low-noise CMOS preamplifier as alternative to JFET front-end for high-count rate spectroscopy

@article{Bombelli2011CUBEAL,
  title={“CUBE”, A low-noise CMOS preamplifier as alternative to JFET front-end for high-count rate spectroscopy},
  author={L.. Bombelli and C{\'e}line Fiorini and Tommaso Frizzi and R. Alberti and Antonio Francesco Longoni},
  journal={2011 IEEE Nuclear Science Symposium Conference Record},
  year={2011},
  pages={1972-1975}
}
We present a monolithic CMOS charge preamplifier named “CUBE”. It is specifically designed to be used with Silicon Drift Detectors (SDD). We will show that the use a MOSFET as input transistor allows superior noise performances at very short shaping times respect to the state-of-the-art externally connected JFET devices. We will show the achievable energy resolutions using a 10mm2 reference SDD with different count-rates and with different analog and digital commercial filters. A state-of-the… CONTINUE READING

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