Those spurs are reminiscent of what happens when you lift the ground of a coax cable at one end and turn it into an antenna, in my experience. It is almost always a bad idea to do this. Try shorting out the capacitor(s) at your input and output jacks.
-- john, KE5FX Miles Design LLC > My 'ultra-low-noise DC-supply' in the form of a lead-acid battery improves > things somewhat, but some spurs still remain: > http://www.anderswallin.net/wp-content/uploads/2015/12/2015-12- > 17_fda_spurs_and_comments.png > interpretations and explanations are welcome! > The board was not enclosed in a metal can for these tests. > _______________________________________________ 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.
