Why would you think it would not be possible or even hard? FM is a
very simple modulation scheme and using an NCO should produce very
acceptable results.

Rick


On Jul 1, 11:11*am, Antti <Antti.Luk...@googlemail.com> wrote:
> It is really possible to use FPGA to generate FM Radio signal DIRECTLY
> in most cases there radio will pickup signal from PCB trace already
>
> i did only a very little experiments (wrote in june issue also a
> little)
>
> even using audio signal to invert phase will produce signal that is
> received
> as FM modulation (with low modulation index) using simple NCO gives
> much better results.
>
> Antti