Thanks for all the replies, especially for the link to the universal=20
analog output circuit. It may well trump my first choice of transmitter,=20
an AD694.

Grateful regards,

Matt
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.