How do you LP wo/caps?

[tomg]

Harry says the simulation works! and that it's buffer
capacitance. I'm inclined to agree. Removing the
buffers turns it into a 2 stage vca. Why it's working
on buffer capacitance is another question.

cya Friday...

Tom




> > > I don't know if you are into SPICE but this wd solve the
> > > question of how useful spice is or is not ;-)
> >
> > Eh, rather, how able he is to use spice for something....
> >
> > ;)
>
> I sent it to Harry..Let him figure it out...;-) ( if he has time that
is..)
>
> > Anyways, most likely are you toying around with the dominant poles...
> which is
> > not a bad thing but I bet my horse (I don't own one, so thats fine) that
> you
> > should really go into individual trimming on this one, so I would not
make
> use
> > of it in a commercial product... have you tested temperature stability
of
> > frequency/Q ? Power-supply stability? Do you ever test that BTW?
>
> Y-Yes I do..;-)
>
> > I would not
> > be supprised if you would find it more sensitive than normal filters.
> > Good or bad, well, thats another plate...
> >
> > Cheers,
> > Magnus
>
> Me ether!
>
> Tom
>
>
>