On 6/4/2013 21:25 PM, wb5mmb wrote: > I have used a version of tip #10 with a cap across the resistor to > keep the rise time fast. Found it in a Ti doc of some sort 10 or 15 > years ago. > Sandy > WB5MMB yes, none of the tips they suggested was new to me. Should I assume that basic electronics is not taught to Software weenies ? 73 André