Hi all. I'm a little bit confused about the CD4052 4 channel multiplexer. I'm just unsure about the Vee pin. I'm considering using it to switch some audio signals (consumer line level) and I'm really not quite sure what voltage Vee wants to see. There is a datasheet here if anyone wants to have a look: http://focus.ti.com/lit/ds/symlink/cd4051b.pdf I guess what I'm trying to figure out is if I can run this all off a single ended 12V supply or if I need both positive and negative supplies. Thanks! Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist