At 03:22 PM 11/23/2004, Falcon Wireless Tech Support - KF4HAZ wrote: >You tell me. >It was a "colorburst crystal" 3.579545 MHz, well at least the one from FOX >was, but the other brand was stamped 3.57 MHz and did not give any >specifications as to stability or drift. >The frequency would begin changing within 30 seconds of the AC coming on >and would continue to drift till it turned off at which point it would >gradually begin to return to its original frequency, you could just about >tell when the AC was ready to turn back on by watching the frequency. Your padding caps have a temperature coefficient too. It may be making the problem worse, or better, depending on magnitude and direction, relative to the crystal. _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist