Balanced‐to‐unbalanced and balanced‐to‐balanced filtering rat‐race couplers using multilayer substate integrated waveguide cavities
Keyword(s):
2020 ◽
Vol 19
(12)
◽
pp. 2388-2392
Keyword(s):
2018 ◽
Vol 12
(13)
◽
pp. 2030-2033
◽
2021 ◽
Vol 68
(3)
◽
pp. 2389-2399
Keyword(s):