[sdiy] Sliders and envelopes

[Tim Ressel]

Ouch, Paul. MAX541s are $25. Check out AD5061 at $6.78. Or is that a typo? MAX541 is a 16-bit DAC. 

Also there is the trick of using a PWM output through a filter to produce a DAC-like output. Should be good enough for an EG output.

--TimR



--- On Sun, 1/4/09, Paul Maddox <paul.maddox.mail-list at synth.net> wrote:

> From: Paul Maddox <paul.maddox.mail-list at synth.net>
> Subject: Re: [sdiy] Sliders and envelopes
> To: "synthdiy DIY" <synth-diy at dropmix.xs4all.nl>
> Date: Sunday, January 4, 2009, 1:02 AM
> Maarten,
> 
>   or could could do it with an AVR Mega8, 8 sliders and two
> MAX541s.
> This would give you TWO ADSRs with 12 bit resolution and
> the ability to choose slope shapes (linear, expo, rev expo,
> etc), very few parts required for that.
> 
> Paul
> 
> On 3 Jan 2009, at 21:50, Maarten Halmans wrote:
> 
> > I would like to build an envelope generator with Alps
> sliders, I can only get these sliders in 10k log or 50k lin.
> Is it possible to get normal times (something between 1
> millisecond and  10 seconds) for the attack, decay and
> release stages without using a large timing capacitor? Of
> course I could go for a voltage controlled envelope
> generator, but than a lot more components are involved and I
> am not specifically looking for voltage control of these
> parameters.
> > Any ideas?
> > Thanks,
> > Maarten
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy