[sdiy] Envelope recorder (was Re: SSM2164 base for Doepfer sdiy synth kit.)

Tim Parkhurst tim.parkhurst at gmail.com
Sun Aug 15 23:05:33 CEST 2010


On Sun, Aug 15, 2010 at 1:48 PM, Ullrich Peter <Peter.Ullrich at kapsch.net> wrote:
> Hi!
> If 8 Bit are enough then a simple circuit can be built with the AD7669 ADC/DAC - even if you don't want to use a microcontroller.
> There is a simple appnote that shows how to control this part with a counter and a RAM. See page 18 of the datasheet.
> Some changes and it could be used as an envelope recorder/player.
> http://www.analog.com/en/analog-to-digital-converters/ad-converters/ad7669/products/product.html
>
> Ciao
> Peter

Looks like that part would make a pretty nifty quantized digital S/H
too. Thanks for the link.

Tim (unless you want a phat analog s/h) Servo
-- 
"Sire, the church of God is an anvil that has worn out many hammers."
- H.L. Hastings



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