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A CMOS readout system for very large detector capacitances


Nuclear instruments and methods in physics research, Section A. Accelerators, spectrometers, detectors and associated equipment 288 (1990), Nr.1, S.191-196
ISSN: 0167-5087
ISSN: 0168-9002
European Symposium on Semiconductor Detectors <5, 1989, München>
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer IMS ()
analog multiplexer; CMOS-amplifier; Mikrostrip-Detektor; readout electronics

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