[sdiy] Pseudo random noise circuits?

[Dan Snazelle]

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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