Abstract
A new TDC LSI and a TDC VME module have been developed. The TDC LSI (called AMT-2) is developed for precision muon trackers of the ATLAS experiment. The AMT-2 chip has 24 input channels and 280-ps rms resolution. It is processed using 0.3-/spl mu/m CMOS technology. The TDC module (called AMT-VME) has 64 channels and a wide timing range (/spl sim/100 /spl mu/s) with a 0.78-ns/bit timing resolution. The module also contains a digital signal processor for controlling data acquisition and manipulating data. Acquired data are read out through the VME bus via a dual-port memory bank. The designs of the chip and the module are presented, and a test result is shown.
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