[sdiy] 4006 on evilBay

[Louis van Dompselaar]

The design that comes to my mind is the noise generator in the voice/unvoice module of the Elektor Vocoder,
that uses four 4015s and switchable filtering and is for +/- 15V.  Could make a nice module

Op 11 feb 2011, om 19:30 heeft bbob het volgende geschreven:

> is there a 4006 substitute?  or, an alternate design specifically for
> shift-register based pseudorandom noise generators?
>