[sdiy] New take on VC moog ladder

[Magnus Danielson]

From: "Stefan Schneider" <sschneid at bigpond.net.au>
Subject: RE: [sdiy] New take on VC moog ladder
Date: Mon, 31 Dec 2001 11:55:26 +1100

> >> what's a problem with the Q13?
> >
> >I just thought it was unecessary.
> >
> 
> I think it'll be needeed instead... he needs to drive the current up before
> feeding it back to the ladder. And like they say "You can never have enough
> buffering" :)

Well, I *assumed* that he was using the builtin buffer, which he
wasn't. Now, a few revisions later, he is.

The added components where unecessary regardless.

> >> The output stage at least
> >> could be buffered? Paul's previous version of this was strange as it
> >> actually tried to use the Walt Jung design, wasn't it?
> >
> >He did cheat some, didn't he? ;O)
> 
> That kind of cheating is fun :]

Possibly, possibly... ;O)

> >In the end, I don't have a hard feeling against it, I just raised a
> >few opinions on things which I perceived as odd in order to possibly
> >let Paul see some flukes, if they indeed is there.
> 
> BTW, I think it'll depend a lot on the matched transistors used on the
> ladder wether or not Q13 will be necessary... I'm thinking about another
> cheat on the VC design (Please don't hit me BTW :) Moving into a JFET ladder
> for extra drive)

Indeed.

Cheers,
Magnus