[sdiy] VCO page

Jim Patchell patchell at silcom.com
Mon Jul 15 17:56:18 CEST 2002


    The polarity is correct.  If you look at the feedback path, you will note
that it goes through a transistor.  The transistor is what adds the extra
inversion.

    -Jim

Scott Bernardi wrote:

> Great page, Jim. One question: is the polarity of the inputs on U6A
> correct? It looks like it's hooked up with positive feedback.
>
> patchell wrote:
>
> >     Spent the last hour or so crimping (started getting tired so I
> > quit...I don't want to break another crimper)...so, to relax, I finally
> > did up a webpage for the VCO I have been working on and off of for a
> > while.
> >
> > http://www.silcom.com/~patchell/synthmodules/vco.html
> >
> >     At the bottom of the page is a link to the PC board layout for a
> > card that will mount to the front panel on the jacks.
> >
> > --
> >  -Jim
> > ------------------------------------------------
> > * Visit:http://www.silcom.com/~patchell/
> > *-----------------------------------------------
> > *I'm sure glad Merry Christmas comes just once a year
> > * -Yogi Yorgensen
> > ------------------------------------------------
>
> --
> Scott Bernardi
> sbernardi at attbi.com




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