MOTM

I think Paul already tipped his hat to the Electronotes source.  Thanks for
the additional info George!  Acronym A-Go-Go!!

Perhaps someone will post these articles (with permission of course!).

Has the PURTWEE ever been implemented anywhere else commercially????

Cheers!
Shemp

> PURTWEE = Pseudo-Random Tone Wheel
> from Electronotes #104 & #106
>
> The "heart" of the device is a Pseudo-Random Binary Sequence
> generator (a 24
> stage shift register w/exclusive-or feedback) and the "soul" of the device
> is a tone wheel (a recirculating 8 stage shift register with
> various options
> for changing the sequence on the shift register).
>
> The changes are under pseudo-random control, and the user has control over
> the probability that a change will occur via voltage control.