Design of the ILC Prototype FONT4 Digital Intra-Train Beam-Based Feedback System
Design of the ILC Prototype FONT4 Digital Intra-Train Beam-Based Feedback System We present the design of the FONT4 digital intra-train beam position feedback system prototype and preliminary results of initial beam tests at the Accelerator Test Facility (ATF) at KEK. The feedback system incorporates a fast analogue beam position monitor (BPM) front-end signal processor, a digital feedback board, and a kicker driver amplifier. The short bunchtrain, comprising 3 electron bunches separated by c. 150ns, in the ATF extraction line was used to test components of the prototype feedback system.
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