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Development of a time-to-digital converter ASIC for the upgrade of the ATLAS Monitored Drift Tube detector

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arxiv 1708.03692 v1 pith:RWZDP7SB submitted 2017-08-11 physics.ins-det

Development of a time-to-digital converter ASIC for the upgrade of the ATLAS Monitored Drift Tube detector

classification physics.ins-det
keywords atlasdetectorasicconsumptionconverterdesigndriftmonitored
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The upgrade of the ATLAS muon spectrometer for high-luminosity LHC requires new trigger and readout electronics for the various elements of the detector. We present the design of a time-to-digital converter (TDC) ASIC prototype for the ATLAS Monitored Drift Tube (MDT) detector. The chip was fabricated in a GlobalFoundries 130 nm CMOS technology. Studies indicate that its timing and power consumption characteristics meet the design specifications, with a timing bin variation of 40 ps for all 48 channels with a power consumption of about 6.5 mW per channel.

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