Magnus Danielson wrote: > Hej Bruce, > > >> See patent US3803499 for one implementation of this scheme.** >> > > Using a quadrature hybrid to combine the two signals and achive the 90 > degrees offset is one of several approaches. It is however just a matter > of trigonometry at work. > > >> **However, where possible, a lower noise more stable system usually >> results when the phase shift provided by such a system is relatively >> small.** >> > > There is something about that sentence that does not compute. > > Cheers, > Magnus > > Hej Magnus
Rephrasing: A lower noise system with less phase instability due to the variable RF gain mixer is possible when the phase shift contribution from the circuit branch including said mixer is small. Bruce _______________________________________________ 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.
