Re: [CAD_CAM_EDM_DRO] Re : motor woes

Steve Blackmore wrote:

> I've now found a schematic for a simple chopper driver using
> L297/L298's , I now may go with Bipolar type motors, if I can remember
> how to use Protel to produce the PCB :)

I actually converted a small XY table at work from unipolar R/L to
bipolar chopping. I was AMAZED at the improvement in performance!

Jon