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A front-end for an array of μ-bolometers for the study of the neutrino mass

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9 Author(s)
A. Alessandrello ; Dipartimento di Fisica, Milan Univ., Italy ; C. Brofferio ; O. Cremonesi ; A. Giuliani
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We present a very low noise front-end solution for the readout of an array composed of 10 μ-bolometers. The system consists of a cold JFET and a room temperature second stage. The optimization of the second stage feedback configuration allowed to minimize the overall noise figure. A very simple current generator having a large output impedance has been developed and is used for biasing the cold JFET

Published in:

IEEE Transactions on Nuclear Science  (Volume:47 ,  Issue: 6 )