My scope is a "cheap" HANTEK DSO-220 USB modell

I couldn't try Alain's suggestions up to now; don't have any Schottky diodes neither 1nF capacitors... will be bought and tested by tomorrow evening.

My initial question was more about to understand the difference between both transistors since nothing else changes in the circuit.

Quote Originally Posted by Acetronics
so, might we say it is a " Flatul Hence " ???
I wish this was true: I would bother you All again with a methane powered PIC project