SVX3: A Dead-timeless readout chip for silicon strip detectors

A new silicon strip readout chip called the SVX3 has been designed for the 720 000 channel CDF silicon upgrade at Fermilab. SVX3 incorporates an integrator, analog delay pipeline, ADC, and data sparsification for each of 128 identical channels. Many of the operating parameters are programmable via a serial bit stream, which allows the chip to be used under a variety of conditions. Distinct features of SVX3 include use of a backside substrate contact for optimal ground referencing, and the capability of simultaneous signal acquisition and digital readout, allowing deadtimeless operation in the Fermilab Tevatron.

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