That, I BELIEVE, the gate capacitance is quite small, But in general, adding the diodes, Cu-foil, etc have a capacitive loading effect yes. The "ordinary" cap's value can maybe be reduced. But you are right that this might be critical at high clock freq's, and frequency should be verified. Sven -----Ursprungligt meddelande----- FrŚn: Dave VanHorn Till: PICLIST@MITVMA.MIT.EDU Datum: den 9 augusti 1999 21:43 €mne: Re: SV: self latching >> One way is to connect a small capacitor from the OSC output to a diode, >that in turn goes to the MOSFET gate. Wire the MOSFET drain to +, and the >source POWERS the PIC (Vcc). You need a second diode from gate to GND; anode >end to GND. > > >I think you failed to consider the effect of gate capacitance on the osc. >