Solved This is a 180 degree Hybrid Coupler Scattering Matrix | Chegg.com
Design and Simulation of 180 degree ring hybrid coupler using HFSS at 2.4 GHz by Dr. Niraj Kumar - YouTube
STRIPLINE 180 DEGREE HYBRID COUPLERS - ET Industries
180 Degree Hybrid Combiner Coupler China Manufacturer
Figure 2 from A Dual-Band 180-Degree Hybrid Coupler Based on Coupled-Line Sections | Semantic Scholar
Planar 180° hybrid coupler with non-interspersed ports for millimeter-wave applications | International Journal of Microwave and Wireless Technologies | Cambridge Core
SMA 180 Degree Hybrid Coupler from 4 GHz to 18 GHz Rated to 50 Watts