Re: L297 and L298

I used 22K and 3.3nf for the one I built. That works out to be
almost 20Khz. 1/.7RC is the formula given in the datasheet.

Jim

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bard"
<rubens.bardelli@p...> wrote:

> Hi all
>
> I need to build a Stepper Motor Driver. I will make a circuit

with L297 and

> L298. I read the datasheet but I dont know how many Hz I have to

use in

> Chopper. Can anyone help me with this circuit???
>
>
> []'s
>
> Bard
>
> [Non-text portions of this message have been removed]