The NA48 LKr calorimeter digitizer electronics chain by Hallgren, B, Bal, F, Barr, G, Buchholz, P, Ceccucci, A, Formenti, F, Funk, W, Gianoli, A, Kozhevnikov, Y, Lacourt, A, Laverriere, G, Martini, M, Papi, A, Sozzi, M, Tarle, J, Vossnack, O, Wahl, H