A beginners guide to the SVXII

Abstract

In the late 1980`s, several versions of a full custom chip called the SVX were built and tested. The chip was designed to be a second generation silicon strip readout chip incorporating new features such as data sparsification for silicon strip detectors. The SVX designed by Stuart Kleinfelder and others at LBL contained 128 channels of electronics and proved to be very popular. Initially the chip was fabricated in 3.0 micron process and later transferred to a 1.2 micron radiation hard process. Based on the success of the first SVX (referred herein as SVXI), a need arose for a third generation device. This new 128 channel device called the SVXII was developed by a collaboration of engineers at Fermilab and Lawrence Berkeley Laboratory. The SVXII, designed in a 1.2 micron process, contains many new features including analog storage and digitization of the analog information. In addition to the new features, the SXVII is intended to operate with interaction times approximately 25 times faster than the original SVX, have the same or better noise characteristics, and have a minimal increase in power. The SVXII is an engineering challenge. This report is a first detailed attempt to introduce the SVXIII to themore » user. Knowledge of the original SVX and its operation would be helpful and can be obtained from references 1--3.« less

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