[sdiy] LT1228 Lm13600 crap

[Ian Fritz]

At 08:07 PM 5/21/05, harrybissell wrote:
>René Schmitz wrote:
>
> > I would guess the reason for this difference is that there is current
> > stolen from going to the diffamp, which is used for the variable bias in
> > the output stage.
> >
>
>easy test for that is substitute the LM13700 which does NOT have the
>current stolen.  My vote is that it still sucks...  (but not as bad as a
>bbd...)

Yeah, but nobody would try to use a BBD for a VCO core.  :-(

>The NE5517 has a different arrangement of bias for the buffer... It might
>act differently

Worth having a close look at.  Is the data sheet on line?

   Ian