Ladder-filter for the shruti-1

[Paul Maddox]

Typically the filter runs asymmetrical. The top end being +11v'ish and the
lower end around -4v. I guess with some careful biasing it could be done.
It also depends if the voltage inverter that Olivier uses has enough
current to drive the -ve rail.

On Wednesday, March 6, 2013, Marc Nostromo [M-.-n] wrote:

> usual shruti's got -9/+9..
>
> so that would make 18v. Or is there something I didn't understand ?
>
> Here's the current schematic:
>
>
> http://mutable-instruments.net/forum/uploads/FileUpload/d4/c6e37ec94c97274da8dfc001e8d34a.png
>
> Seems like they use the usual filter regulors.
>
> ( I thought I had copied the thread link on my first mail but it seems
> it wasn't)
>
> /M
>
> 2013/3/6 Paul Maddox <yo at vacoloco.net <javascript:;>>:
> > I'll be interested to see how they "fit" the ladder in 12V (it needs
> > more than 12V end to end)..
> >
> > Paul
> >
> >
> > On 6 March 2013 16:56, Marc Nostromo [M-.-n] <marc.nostromo at gmail.com<javascript:;>>
> wrote:
> >> Some people seem to be on the way to roll a new shruti-1 filter board.
> Nice.
> >>
> >> --
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