[sdiy] Pseudo random noise circuits?

[Tom Bugs]

  There's one in one of Thomas Henry's book offered by those fine-fine 
folks at MagicSmoke::
http://www.magsmoke.com/thomas_henry_books.asp
You want An Analog Synth for the 21st Century - the DigiNoise is Voltage 
Controlled using 4046 as VC-clock & XOR and 4015s as the shift registers.
This is one of the few books that doesn't have descriptive texts but 
still an essential purchase.
Tom

PS - what in Tony's message about veroboard/water problems made you 
think of DigitalNoise?!!!

On 17/09/2010 15:43, Dan Snazelle wrote:
> I am trying to find some good digital noise (shift register plus xor) circuits that DON'T use the 4006.
>
> any help appreciated
>
>
> Thanks
>
> Sent from my iPhone
>
> On Sep 17, 2010, at 10:26 AM, Oakley Sound<oakleylist at btinternet.com>  wrote:
>
>> I built a circuit once that had terrible offset problems. In the end I realised it was down to the bit of veroboard being slightly damp. I had found the board stashed in the back of a cupboard before I had used it and didn't think anything of it. Simply leaving it overnight on the bench was enough to get it working properly.
>>
>> It was only later that year when I used some water washable solder that the memory of that particular event came back to me. You see washing the SRBP board with water also didn't do the circuit any good until the board had well and truly dried out. Which took several hours on a warm radiator.
>>
>> I now keep all my stripboard sealed up in plastic bags. It keeps the copper shiny too.
>>
>> Tony
>>
>> www.oakleysound.com
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