Enhanced radiation hardness and faster front ends for the beetle readout chip gan van Bakel, N, van den Brand, J, Verkooijen, H, Bauer, C, Baumeister, D, Hofmann, N, Knopfle, K, Lochner, S, Schmelling, M, Sexauer, E, Feuerstack-Raible, M, Trunk, U, Harnew, N, Smale, N