Bart Stofferis wrote:

> I know that 100 Hz is not possible with a Xtal frequency of 18.432
> MHz, the lowest frequency i can achieve is 1125 Hz.  That's no problem
> because the switching devices can handle up to 5 kHz.

  Uh-oh!  Sounds like you *do* have a problem there!  Are you saying the
lowest pulse frequency (PWM cycle) is 1125Hz or the lowest PWM clock
(resolution) is 1125Hz?

  Your FET switching frequency must equal or better the smallest
increment by which the PWM pulse will be adjusted.
--
  Cheers,
        Paul B.