Hey Jinx, > Any suggestions ? I can't believe > all 30 are hopelessly stuffed. Well, not yet. Very unlikely, since they are not all pulls from the same source. I THINK all those osc cans are push-pull outputs, but have you tried a pull-up resistor, just for drill? This may be stupid, but how are you measuring the output swing? Could the measurement be off? (Scope not cal'd, something?) Spock: "Fascinating, captain." ------------ Barry King, KA1NLH NRG Systems "Measuring the Wind's Energy" http://www.nrgsystems.com Check out the accumulated (PIC) wisdom of the ages at: PIC/PICList FAQ: http://www.piclist.org -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.