Re: L297 L298 sense circuitry

At 04:34 14/10/2002 +0000, you wrote:

>That would probably be a low pass filter for noise reduction. Just a
>guess. The cutoff frequency would be determined by the values of R
>and C. I guess I should really have looked at the data sheet before
>posting this, but with 4 trillion messages a day on here, time is
>short! :-)
>

The SGS Thompson datasheets don't show any caps in this feedback path.

>--- In CAD_CAM_EDM_DRO@y..., "JJ" <jj5412@e...> wrote:
> > Some schematics for the L297/L298 show a resistor and cap from the
>sense
> > resistors to the L297, others show a direct connection. Can anyone
>tell
> > me what the R/C do for you, and what values to use?

Regards,
Tony