At 10:10 AM 10/23/2007, you wrote:
>No, it's not linear. First off, it doesn't satisfy the superposition >principle since it will produce harmonic when fed by a pure sinusoid carrier >(hopefully we can agree to that without added discussion), so right off the >bat it's nonlinear. Furthermore, it's also non-reciprocal; what enters port >1 exits port 2 with little loss, but the converse is not true. <---I though it was linear unless it becomes saturated. Circulators are ferrite devices and as long as the ferrite core isn't saturated, it remains linear. Ken (back to Circulator 101 class I guess)
