[sdiy] Vote for your favorite noise source

[Tom May]

Sowa Roman <Roman.Sowa at upc.com.pl> writes:

> Briliant idea!
> pseudo-random shif register, say 31-taps long,
> with several sets of resistors at its outputs.
> Each would make different FIR filter response, and
> not limited to only white, pink, red, brown, etc (black? :>)
> The only problem - 31 resistors for each response, or
> rather trimpots as their values for sure won't hit E24.

A long time ago in high school electronics class, we used to trim
carbon composition resistors with a file.  I think it worked pretty
well.  I don't recall whether it worked better for particular value
ranges or not.

Tom.