BPM data acquisition system for the Bates pulse stretcher ring

A beam positioning monitoring system is being developed. It will include approximately 30 stripline monitors distributed around the South Hall Ring. These BPMs (beam positioning monitoring systems) will be sampled by flash analog-to-digital converts operating at 40 MSPS. Each ADC (analog-to-digital converter) is connected to a FIFO that can be read by the CPU (a SparcStation in a single VME slot, running SunOS) and transferred via Ethernet to the central control system, after some local processing. Hardware and software operation of the prototype are described.<>