> If the oscillator output is thru the resonator, then at large offsets, > the source impedance is reactive. It can easily have an effective > temperature less than room temperature. If this "source" is then > used with a low noise temperature preamp, it is entirely possible > to go beyond these supposed theoretical limits that are based > on T=300K.
Sure, until you try to measure it with a Zo=50R instrument, or otherwise do something that involves putting real power into a load. -- john, KE5FX Miles Design LLC _______________________________________________ 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.
