RD54 Stopped Spinning

[tony duell]

> I suppose that is possible, but not sure that would explain the dead stop, although I suppose it isn't impossible. I 

Bad connections rarely do anything you expect :-)


> was nowhere near it when it happened. Do the signals I posted look right to you? Would you expect inconsistent 
> triggering on the scope on just one of the FET outputs?

More seriously, have you tried swapping the FETs round to see if the dodgy signal goes with a particular
transistor?

-tony