[sdiy] EXT Re: 808 Q35

Mike Bachman bachmanm50 at gmail.com
Tue Jan 31 16:24:21 CET 2017

The Electric Druid makes a nice 8 pin dip sofware based digital noise chip.. 3£.

Thanks Tom Wiltshire!

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On Jan 31, 2017 8:52 AM, Gordonjcp <gordonjcp at gjcp.net> wrote:
> On Tue, Jan 31, 2017 at 08:29:36AM -0500, Jacob Watters wrote: 
> > If this is the case, then what is a better method for creating white noise? 
> > I have seen some CMOS options that create pseudo random squarewaves, but 
> > they seem to use a lot of components compared to the transistor option. I 
> > was considering just using a tinyAVR instead. 
> Using a microcontroller would be a good way to do it these days; the discrete CMOS LFSR designs are often based on hard-to-find chips and don't have a very long sequence.  There used to be an 8-pin chip used in a lot of instruments that such a short sequence you could hear a distinct chuffchuffchuff in the noise source. 
> -- 
> Gordonjcp MM0YEQ 
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