[sdiy] Digital Noise, FYI

[karl dalen]

If you replace that CPLD *thing* with an analog one FET based S/H
and one NPN based noise source you end up with a cheaper and 
simpler and better sounding result.

Did i mention Moog Source envelopes?
KD


>Matthew Smith <matt at smiffytech.com>:

> ...
> >> 555 -> CPLD -> 10-bit parallel load DAC
> 
> I actually got that a bit wrong - it's a 12-bit DAC, the
> MX7541, which is just a Mexican version of the AD7541 ;-)
> (Not really, it's the Maxim version. Just my silly joke.)
> 
> > That's an awesome circuit, from an awesome book. 
> It's high on my to-do list
> > as well.
> 
> I'd recommend Lancaster's books to anyone in this field -
> he's a really good teacher, it's just a shame he never
> published more. I have the TTL Cookbook, CMOS Cookbook,
> Active Filter Cookbook.
> 
> To address Dave Manley's question, yes. String of flipflops
> with some XOR gates. (Photo of relevant page mailed to
> Dave.)
>