AMS Internal Note ScintEle–02 v0.9 The AMS-02 scintillator front-end electronics D. Casadei, V. Bindi, F. Cindolo, M. Lolli, L. Villa INFN, Sezione di Bologna Via Irnerio 46, I-40126 Bologna, Italy Diego.Casadei@bo.infn.it G. Castellini, A. Gabbanini, M. Tesi Istituto di Fisica Applicata “Nello Carrara” Via Panciatichi 64, I-50127 Firenze, Italy G.Castellini@ifac.cnr.it Version 0.9 — December 20, 2005 ABSTRACT The AMS-02 scintillator front-end electronics (the SFET2, SFEA2 and SFEC boards) principles are described in this document. In addition, the pre-trigger boards SPT2 is also considered. TO DO: • Fix input divider on SFET (SFEA). • Check SFEC FM parameters. • Fix temperature format. • Check SPT2 protocol. 1