We studied the feasibility of monolithic silicon-germanium front-ends for cryogenic semiconductor detectors. In this framework we designed and simulated a low-noise Charge Sensitive Preamplifier for High Purity Germanium detectors using the Austria Micro System S35 silicon-germanium technology. The preamplifier uses two silicon-germanium Hetero-junction Bipolar Transistors, a few silicon Metal-Oxide-Silicon Field-Effect Transistors, and an external silicon Junction Field-Effect Transistor. It is designed for gamma-ray spectroscopy performance at liquid-argon temperature, and exploits the full functionality at cryogenic temperatures of silicon-germanium Bipolar Transistors. Single-channel and four-channel versions are being realized.
VLSI cryogenic front-end for HPGe detectors based on a silicon-germanium technology / A. Pullia, F. Zocca, M. Citterio - In: 2010 IEEE Nuclear science symposium and medical imaging conference record (2010 NSS/MIC), Knoxville, TN, USA, 30 Oct.-6 Nov. 2010Piscataway, NJ : IEEE, 2010. - ISBN 978-1-4244-9106-3. - pp. 1340-1342 (( convegno IEEE Nuclear science symposium and medical imaging conference tenutosi a Knoxville, TN, USA nel 2010 [10.1109/NSSMIC.2010.5873987].
VLSI cryogenic front-end for HPGe detectors based on a silicon-germanium technology
A. PulliaPrimo
;F. ZoccaSecondo
;M. CitterioUltimo
2010
Abstract
We studied the feasibility of monolithic silicon-germanium front-ends for cryogenic semiconductor detectors. In this framework we designed and simulated a low-noise Charge Sensitive Preamplifier for High Purity Germanium detectors using the Austria Micro System S35 silicon-germanium technology. The preamplifier uses two silicon-germanium Hetero-junction Bipolar Transistors, a few silicon Metal-Oxide-Silicon Field-Effect Transistors, and an external silicon Junction Field-Effect Transistor. It is designed for gamma-ray spectroscopy performance at liquid-argon temperature, and exploits the full functionality at cryogenic temperatures of silicon-germanium Bipolar Transistors. Single-channel and four-channel versions are being realized.Pubblicazioni consigliate
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