kb...@n1k.org said: > The gotcha is that the spur specâs are not always met. As you might guess, > doing testing over really wide DDS ranges is impractical. Some designs use > cleanup loops. The gotcha then becomes a spur (say at 0.053 Hz) that is > inside the cleanup loop bandwidth â¦.
How narrow can I make the loop bandwidth with a traditional analog filter using reasonable parts? Do people build GPSDO style digital filters? Is there a reasonable formula for the spurs from a DDS? That sounds like a place where guaranteed-by-design would be appropriate. -- These are my opinions. I hate spam.
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