Harry H. Arends ha scritto: > Look here: > > http://www.datasheetcatalog.org/datasheets2/35/351802_1.pdf > > They have serveral versions with diferent configurations. Hmmm, in this latest one the impedance for RX and TX primary coils seems to be the same... strange -- Ciao, Dario -- Cyberdyne -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist