Re: Quadrature to Step and Direction Decoder

Mariss,

Another simple means is to run one phase into a D flip-flop
(ie 1/2 of a 74xx74) and the other phase into the CLK input. The
Q and /Q outputs are complementary and indicate direction.
The CLk phase is the CLk out. Hope this is useful.

-Lee


--- In CAD_CAM_EDM_DRO@egroups.com, "Mariss Freimanis"
<geckohall@h...> wrote:

> Hi,
>
> I uploaded a pdf file to the "Files" section of a decoder circuit
> that converts a quadrature inputs to step and direction outputs. I
> hope this is of use to someone.
>
> Mariss