Re: [CAD_CAM_EDM_DRO] Circuits needed

Hi Brian,

Seems like a nice chip, however MaxNC is half-step! The phase sequences
are stored as a file, so maybe they can be changed (to two full step
cycles), and another parameter "fudged" (tpi?) to get the proper scale.

Alan KM6VV


Brian Pitt wrote:

>
> for phase to step and direction
> take a look at the LS7084 chip at usdigital
> http://www.usdigital.com/products/ls7083-84/
> (the 7083 does phase to up count / down count)
>
> Brian
>
> On Tuesday 02 October 2001 08:47, you wrote:
> > The second circuit is a little more difficult, has anyone seen a
> > circuit that can take the stepper phase outputs from a processor and
> > convert it to step and direction.
> >
> > Thanks in advance
> >
> > Bill Griffin