H. How et al., DESIGN OF 6-PORT STRIPLINE FERRITE JUNCTION CIRCULATORS, IEEE transactions on microwave theory and techniques, 42(7), 1994, pp. 1272-1275
Circulation conditions for a six-port stripline ferrite junction circu
lator have been formulated. For external magnetic field biased above F
MR it results in wider transmission frequency bandwidth compared to no
rmal three-port devices. We surmize that six-port circulators can also
be used as high power devices similar to the three-port counterpart.