| |
An improved beam position monitor system has been
installed in the Transfer Lines (TL) connecting the
DAΦNE Linac to the collider Main Rings through the
Damping Ring, to monitor the beam trajectory and optimize
the transmission efficiency.
Signals from stripline type beam position monitors are
stretched, sampled through Track & Hold circuits and
digitized to 12 bits. The sampling stage is triggered,
according to the timing of the desired beam, to measure
the amplitude of the signals induced on a BPM.
Hardware control, data collection and reconstruction of
the beam position along the Transfer Lines are performed
by the DAΦNE Control System on a VME standard local
processor.
Design issues, implementation and performance of the
system are presented.
|
|