Hello all, I don't know how to word this question. I would like to use some=20 type of analog multiplexing chip in place of a multi-position,=20 mutli-deck mechanical rotary switch. Let's say that I want to have=20 several different inputs that are to be routed to several different=20 circuits and after processing they are then sent to some type of=20 instrument. I can do this with a mutli-position, mutli-deck mechanical=20 rotary switch. Is there some type of analog switch that I can use in=20 place of this so that I can use a mutli-position single deck switch? I=20 know what I want to do but I don't know how to explain it. Any thoughts=20 anyone?? Thanks, rich! --=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 .