On May 2, 2005 10:43 pm, Jinx wrote: > > Hi jinx, I don't think the circuit in the picture applies here. > > A VCO is a Voltage Controlled Oscillator in which a voltage > > will modify the frequency of operation > > And that's exactly what that circuit does In that case, it's far easier & cheaper than a pic circuit. :-) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist