AW: [sdiy] Re: 4049 and 4069

[jhaible]

> The idea is to add two small resistors where the N-channel and P-channel
> transistors meet,

But that point would be at the Drains of the Transistors, not at their
Sources.
No local Feedback a la "emitter" degradation - if that was the idea - just
current limiting as the transistors saturate when the current tries to go
up.

JH.





at what would be the output.  Now... when they are biased
> linearly, both transistors will be partially 'on' but the total current
can be
> linited by the
> resistors, without affecting the rest of the chip, and without moving the
> output from 1/2
> the supply voltage...
>
> The bigger the resistors, the less current. Make them too big and it will
be a
> crappy amp







> ...
>
> btw its not "rarefied air" its just helium :^P
>
> H^) harry
>
> Shokwave wrote:
>
> > ----- Original Message -----
> > From: "Harry Bissell Jr" <harrybissell at prodigy.net>
> >
> > > Or use the 4007 Dual Complementary Pair plus Inverter
> > > which would allow the equivalent of emitter resistors
> > > from standard (power) amplifier designs...
> >
> > "Emitter resistors"?
> >
> > Damn, Harry lost me once again...but I'm getting used to that. "Basic
> > Electronics Theory" by Horn isn't up to the rarified air that SDIY'ers
seem
> > to breath.
> >
> > -Darren
>
>