>In reference to the digital frequency synthesis article by Tom >Napier in this months Circuit Cellar has anyone had any luck >finding the code on the Circuit Cellar web site? Or anywhere else? Nope, but it took only a few minutes to type it in myself (I couldn't wait!). Did anyone else see the 2 simple optimisations that allow knocking 2 cycles of either routine (16 bit or 24 bit accumulator) as well as knocking an additional 3 cycles off the 24 bit routines? I was going to post my versions of Tom's code as soon as had a chance to actually try them out in hopes that some of the masters (Scott, Andy, Regulus) can improve upon them. I see MANY dds oscillators in my future! dwayne Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (403) 489-3199 voice (403) 487-6397 fax