A semi-elliptical wideband directional coupler
A new design of wideband directional couplers using a semi-elliptical edge-coupled
structure is presented. This structure consists of two semi-elliptical patches on the top layer …
structure is presented. This structure consists of two semi-elliptical patches on the top layer …
Design of wideband phase shifter with edge-coupled semi-elliptical lines
The analysis and design of a wideband phase shifter using semi-elliptical edge-coupled
structure is presented. An elliptical defected ground plane at the bottom layer is also …
structure is presented. An elliptical defected ground plane at the bottom layer is also …