Noisy Noise Generator : digital psuedo random noise

[Theo]

Suppose the circuit can do without the dac,
all you want is noise, a R/2R network would do.

Then again, it is nice to have free access to DACs 'n stuff (lucky bastard).

Cheers Theo

----- Original Message -----
From: Scott Bernardi <sbernardi at home.net>
To: Synth-DIY list <synth-diy at node12b53.a2000.nl>
Sent: Friday, October 20, 2000 3:10 PM
Subject: Noisy Noise Generator : digital psuedo random noise


> I had so much trouble getting rid of 60 cycle hum on an amplified
> reverse biased transistor noise source that I went digital.  The circuit
> at the URL below is a psuedo random source, the digital portion which is
> based on a circuit from ElectroNotes.
> http://members.home.net/sbernardi/elec/noise.html
>
> As an application of noise; input noise into a sample and hold and feed
> that into the CV for a low pass filter. This is the effect used in ELP's
> Karn Evil 9 (you know, "Welcome back my friends to the show that never
> ends.....").
>
> --
> Scott Bernardi
> sbernardi at home.net
>
>