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A mixed-mode ASIC, TIGER (Turin Integrated Gem Electronics for Readout), optimized for the readout of the cylindrical GEM detector of the BESIII experiment is presented. The chip consists of 64 analog front-ends, each featuring a charge-sensitive amplifier followed by a dual-shaper. A low-power TDC and a 10 bit Wilkinson ADC with de-randomizing buffers allow to measure both the time-of-arrival of...
We report on the design and tests results of a fully custom amplifier-comparator readout chip designed to be coupled to silicon detectors with internal charge multiplication for precise timing applications. The ASIC has been developed in UMC 110nm CMOS technology and aims to fulfill the CMS-TOTEM Precision Proton Spectrometer (CT-PPS) time resolution requirements (∼30 ps per detector plane). Both...
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