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This paper addresses the design and analysis of a novel compact wideband phase shifter in SIW technology. Employing the recently developed low-loss two-level SIW transition, the proposed structure exploits the multi-layer possibility offered by the SIW technology offering a compact three layer design. Preliminary results have been reported by the authors in. This paper brings deeper understanding...
This paper presents a defected-ground coupled line section with two shorts (DGCL section) which consists of an offset dumb-bell-shaped defected ground structure (DGS) at the back of edge-coupled lines. An equivalent circuit model is given based on even-odd mode analysis, which shows that the characteristic impedance of coupled line section can be lowered and bandwidth can be improved by introducing...
A novel structure for a compact waveguide-based CRLH phase shifter suitable for SIW technology has been developed. A simple design procedure is presented and verified by the simulation results based on the balanced CRLH TL equivalent circuit model. An eight-cell structure has been designed and optimized offering up to 270deg phase shift with a wideband performance over the frequency band (16-21 GHz)...
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