[sdiy] Electrosmith Eurorack DSP platform

Eric Brombaugh ebrombaugh at gmail.com
Sat Jan 29 00:45:33 CET 2022


Probably a good time to repost this link:

http://all-electric.com/b&c.html

Quirky, old chips, but there's a lot to learn from here.

Eric

On 1/28/22 14:25, Mike Bryant wrote:
> Yes.  But if you put the sampler and comparator well away from the FPGA to avoid the noise, and smoothed the feedback well, you could get similar performance.
> 
> When sigma-delta was first proposed someone at the place I worked built a demonstrator using 4000 series CMOS.  But it got killed by someone touching it without a wristband :-)
> 
> 
> -----Original Message-----
> From: cheater cheater [mailto:cheater00social at gmail.com]
> Sent: 28 January 2022 20:23
> To: Mike Bryant
> Cc: Eric Brombaugh; synth-diy at synth-diy.org
> Subject: Re: [sdiy] Electrosmith Eurorack DSP platform
> 
> Right, but they didn't do that on a run of the mill fpga, right? They designed their own custom IC where everything was on one chip of silicon - the digital output, the integrator circuit, etc - do I have that right?
> 



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