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This paper presents a front-end 16-channel readout chip to be coupled with PMs (photomultipliers) or APDs (avalanche photodiodes), which is designed in a BiCMOS process for a fast beam tagging system used in ion-therapy. Each channel consists of a current conveyor and two separate output stages: one is a current comparator for signal event detection, and the other is a charge sensitive amplifier (CSA)...
Gate leakage of charge sensitive amplifier (CSA) in deep submicron process not only increases noise but also impacts the DC voltage of preamplifier output. This paper proposes a CSA for CdZnTe particle detector readout implemented in 0.18μm CMOS process including its new reset and leakage compensation configuration which has low noise and short reset time, especially, is adjustable to fit...
This paper presents our work on a 8-channel low noise Front-End electronic coupled to a Liquid Argon (LAr) TPC (Time Projection Chamber). Each channel consists of a Charge Sensitive Amplifier (CSA), a band pass filter and a 50 Ohms buffer as line driver. A serial link based on a `i2c-like' protocol, provides multiple configuration features to the circuit by accessing slow control registers. Only the...
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