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Power Supply System for Beam Steering

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1 Author(s)
Gano, J.J. ; William H. Bates Linear Accelerator Massachusetts Institute of Technology Middleton, Massachusetts

The power supply system for steering the Bates Linac beam provides continuous adjustment of the current from + 2.5A to -2.5A per pair of coils at ±25 volts. A simple, inexpensive system has been assembled from off-shelf components. Separate controls for 26 pairs of coils are provided by means of power operational amplifiers and drivers connected in series with the coils across a common pair of ±30V busses. No current regulation is used. After coils and amplifiers have reached thermal equilibrium (about one-half hour at 2.5A) the current is stable within 0.5%.

Published in:

Nuclear Science, IEEE Transactions on  (Volume:22 ,  Issue: 3 )