AW: [sdiy] ASM-1

[Scott Bernardi]

A lot of opamps can't handle having a pure capacitance on the output - they can
oscillate. Also, it will initially try to draw lots of current from the opamp to
charge the cap. The 330R limits the current.


Nils Pipenbrinck wrote:

> Speaking about the linear glide:
>
> > Linear Glide:
> >
> >            +-----------------------------------*------+
> >             |2|\    330R     1M                 |6|\   |
> >             +-|-\ 1 ____    _____               +-|-\ 7|
> >              3|  >-|____|--|_____|-*---*------+  5|  >-*---o CV Out
> > CV In o---|+/             ^    |   |      +---|+/
> >                |/              +----+  === 1uF     |/
> >                                    |
> >                                    v
>
> What's the reason for the 330Ohm resitor here?  I would like to have a glide
> that I can adust to "no glide". I think the resistor will prevent this. But
> I'm sure it's there for some reason.. Maybe to make the circuit more stable?
>
>         wondering,
>
>                 Nils

--
Scott Bernardi
sbernardi at home.net