[sdiy] ASM-1

[harry]

Hi Marjan (et al)

Couple of notes...

The cap need only be bipolar if negative voltages are to be input...
for (let's say) a keyboard, a bipolar is not needed.

The cap sizes for linear glide and expo glide will differ by about
a factor of 10. If you want similar times overall, the linear cap
should be 10X bigger. (or so...)

H^) harry

">>>marjan<<<" wrote:

> >
> > Where's the schematics for ASM-1 noise generator and glide buffer?
> >
>
> Noise is at the asm1 homepage (new magnus' site)
>
> here's ascii glide (use fixed fonts to see properly!)
>
> Exponential glide:
>
>         +------+                       +------+
>         |2|\   |     1M                |6|\   |
>         +-|-\ 1|   _____               +-|-\ 7|
>          3|  >-*--|_____|-*---*------+  5|  >-*---o CV Out
> CV In o---|+/        ^    |   |      +---|+/
>           |/         +----+  === 1uF     |/
>                               |
>                               v
>
> Linear Glide:
>
>         +-----------------------------------*------+
>         |2|\    330R     1M                 |6|\   |
>         +-|-\ 1 ____    _____               +-|-\ 7|
>          3|  >-|____|--|_____|-*---*------+  5|  >-*---o CV Out
> CV In o---|+/             ^    |   |      +---|+/
>           |/              +----+  === 1uF     |/
>                                    |
>                                    v
>
> The exponential version is the normal.
>
> The op-amp is a TL-082, the cap must be nonpolar, all the other
> details is in the webpage.
>
> --
>
> marjan
>
> me    : Marjan Urekar
> e-mail: urekar.m at eunet.yu
> s-diy : http://surf.to/marjansystems
> music : http://go.to/forcemajeure

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