A wideband differential microstrip-to-waveguide transition at W-band
Balunless Microstrip to Waveguide Transition for X Band
A Broadband U-Slot Coupled Microstrip-to-Waveguide Transition
Simulation of propagation of modes in planar gradient-index hyperbolic secant waveguide
Wideband In-Phase and Out-of-Phase Balanced Power Dividing and Combining Networks
A wide band transition from waveguide to differential microstrip lines