[sdiy] 4006 on evilBay

[Gordon JC Pearce]

On Sat, 2011-02-12 at 07:16 +1030, Matthew Smith wrote:
> Quoth bbob at 12/02/11 05:00...
> > is there a 4006 substitute?  or, an alternate design specifically for
> > shift-register based pseudorandom noise generators?
> 
> As an alternative to a microcontroller, this could be achieved with a 
> cheap ($3) CPLD.
> 
> BUT - you won't get the CMOS voltage range with either a microcontroller 
> or a CPLD without level translation.
> 

So, a microcontroller and an opamp, then?

Gordon MM0YEQ