[sdiy] Does Source = Drain???

[Antti Huovilainen]

On Sun, 13 Jun 2010, Ian Fritz wrote:

> My through-zero Saw VCO requires discharging both positive and negative 
> ramps.  For this bipolar operation I use two MOSFETs in series so that 
> only one protection diode is turned on at any time. This is the standard 
> solution as far I have seen.  You increase the parasitic capacitances

Don't you lose the advantage of the mosfet being able to pull the signal 
to ground (without constant voltage drop like bjt's have)?

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova