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CMOS readoutelectronics for operation at cryogenic temperatures

: Schöneberg, Uwe; Hosticka, Bedrich J.; Fent, Jürgen; Oberlack, Horst; Zimmer, Günter

Univ. Manchester:
ESSCIRC '88. 14th European Solid State Circuits Conference. Proceedings
Manchester, 1988
European Solid State Circuits Conference <14, 1988, Manchester>
Fraunhofer IMS ()
cryoelectronics; noise reduction techniques; readout electronics

In this contribution we present a readout electronics for a liquid-argon calorimeter. It has been designed and optimized for operation at cryogenic temperatures and its integrated in an n-well 2micrometer CMOS technolgy. The chip contain 16 analog channels with switched-capacitors circuits for charge collection, storage, and amplification, averaging and correlated double sampling circuits for noise reduction, trigger signal generator, analog multiplexer, digital control for analog switching and 50 ohm cable drivers.