Enhanced radiation hardness and faster front ends for the beetle readout chip de réir 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