I have several of these, but the electromechanical relay contacts have become dirty on all of them. Is anyone familiar with rejuvenating them? Especially the idea of running a fairly high power RF signal through them and hot switching them to burn off the oxide.
Rick N6RK Mike Feher wrote: > These tunable YIG filters are going for practically nothing on ebay. While > they only go to 18 GHz they make an excellent filter to follow testing of > an > LNA after the mixing process, for noise figure measurements, as an > example. > After all it is that noise that makes our time and frequency measurements > questionable. I am surprised that they typically go for around $50 or > less. > They are externally tunable with a voltage source that is proportional to > frequency. I bet a lot of you would be happy to own one. Regards - Mike > > > Mike B. Feher, N4FS > 89 Arnold Blvd. > Howell, NJ, 07731 > 732-886-5960 > > > > > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts