ILC-LNF Technical Notes R. Boni, G. Cavallari: "RF System for the ILC Damping Rings", ILC-LNF Technical Note, ILC-LNF-001, July 4, 2006. A. Drago: "Fast Feedback System", ILC-LNF Technical Note, ILC-LNF-002, July 6, 2006. R. Boni, G. Cavallari: "Updated RF System for the ILC Damping Rings", ILC-LNF Technical Note, ILC-LNF-003, December 14, 2006.