li...@rtty.us said: > If the DDS is acting pretty much as a divider you don't get a lot of spurs. > The rest of the time there are spurs *somewhere* in the output spectrum. Put > another way, there are thousands of "bad" tuning words for every good one. > The good ones are evenly spaced over the range at a spacing determined by > the DAC width and the phase truncation process.
Look at the DDS word in binary. Bits farther to the right turn into spurs closer in. The other question is how big are they. -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
