Overview: Front End System
¥digitizing electronics (VME pipeline TDCs and scalers,
FASTBUS ADCs and multihit TDCs) will be upgraded; VME electronics will
stay; FASTBUS ADCs will be replaced by FADCs at least partially; FASTBUS
multihit TDCs will stay but replacement solution will be provided in
case of aging problems
¥front-end
readout (28 crates with PowerPC-based Motorola VME multi-CPU
controllers) will be reused; some hardware upgrades and software improvements
are required; the number of crates will be increased up to about 40