[sdiy] smoothing out PWM CV

[Jason Proctor]

thanks! i've been looking for a definitive PWM to analogue solution too.

is there a good forum for arduino+synth? perchance we should make one.

>Hi Tim,
>
>this looks pretty good and pretty simple. Not passive, but as 
>Veronica mentioned I might need several stages then. Thanks for 
>pointing that out!
>
>best,
>Derek
>
>Tim Parkhurst wrote:
>
>>You might want to check the PWM filter Tom Wiltshire uses on his 
>>PIC-based LFO and ADSR projects. Here's a link to the LFO page:
>>http://www.electricdruid.net/index.php?page=projects.lfo9
>>  Look down towards the bottom of the page and click on the Circuit 
>>Diagram or LFO Datasheet links to see the schematic. The filter is 
>>simple and also includes an extra op-amp to create a +/- 5V signal 
>>at the output. I don't know if the PWM frequency you're using is 
>>the same, but this might be a good starting point.
>
>
>--
>derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
>---Oblique Strategy # 13:
>"Are there sections?  Consider transitions"
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