Re: Quadrature divider circuit?

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bernard R <bwjarandall@c...>"
<bwjarandall@c...> wrote:

> Frank,
>
> My first thoughts were that you could just use divider chips, but
> when you look at the timing relationship, at div2 this would give
> 1/8th. lead/lag and would progressively diminish with greater
> divisions.
> I suspect that controllers such as Gecko's won't like this very much
> as the 320 generates 4x signals from the pulse trains and I don't
> know what it does with them internally. If you are using other than
> div 2 with the 7490s you also need to reset the count when the motor
> changes direction.
>

After I posted I thought about the div 10 and the need of resetting.
Didn,t have time to play this weekend ,... later this week maybe. The
gecko should be blind to lead/lag, all it is looking for is a state
change on each encoder channel. I don't know if the phase (lead/lag)
relationship between the two IC's, will . Could dust off the scope ,..
or just give it try.

Frank