>Failure of that transistor to survive a glitch/arc/parastic/flash- >over/whatever is a simple DC design fault that can be cured by a 10K >resistor. 10K placed exactly where in the circuit? -Paul, W9AC -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com