Mark A. Corio wrote: > > Hi again, > > I have some sensitive analog circuitry that I need to do some relay switching > in for varying some filter bandwidths and other things. I am considering > using reed relays... Mark: Check out the International Rectifier opto-isolated electronic relays. They do a better job at switching in analog circuits than all but the most expensive reed relays. They can be driven directly from a PIC processor pin with a series limiting resistor. -- Tom Rogers