it doesn't oscillate...

Nigel Goodwin said:

Yes, using the reverse biased CB junctions, and both in series.

Click to expand...

Thanks, I thought that was it. Never seen that done before, but I guess it works. Is the capacitance very repeatable between devices. I would think not, but I guess it would be ok. It seems as though you may only get 5 puffs control at best.