> > DDS generator will fit the bill.  There is an article in recent
> > NutsnVolts magazine that uses PIC to control PLL to do just that, it's
> > trivial to add serial interface to that.  IIRC, total cost was under $7=
0.
>=20
> Yeah,  I was thinking of an easy FT232 + DDS chip + buffer design to save=
 time.  I
> haven't used a DDS chip before so was having trouble pinning down somethi=
ng that did
> low frequencies.  They all seem to talk about how many MHz they can do.  =
I'll do a
> bit more research and see what reasonable cost ones I can find.
> David...

I suspect one could do the frequency range you require with the DDS unit in=
 the new 16F15xx PICs.


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