TONY NIXON 54964 wrote: > > Has any one got any ideas to stop RF from causing false readings > on an input. > > Tony > > Just when I thought I knew it all, > I learned that I didn't. first a resistor(try 100 to 1k ) then pass it through a 1nf feedthrough cap In extreme cases you can do this more than once -- Peter Cousens email: peter@cousens.her.forthnet.gr snailmail: Peter Cousens, karteros, Heraklion, Crete, 75100, Greece,