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This paper presents a novel electronically tunable half mode substrate integrated waveguide (HMSIW) cavity resonator at microwave frequency. The resonant frequency of the cavity is tuned with different DC biasing voltages applied over a varactor coupled to the cavity. This structure has been analyzed with a full-wave software Ansoft-HFSS12. To validate our analyses, an X-band reflective tunable HMSIW...
In this paper, we present a systematic analysis of periodic structures based on substrate integrated waveguide (SIW) technology. In the periodic structures of interest, the unit cell is a circularly-shaped SIW section, which can be extended to any shape. In the beginning, the propagation constants of both even and odd modes of the SIW periodic structures are accurately extracted with the help of a...
This paper presents a novel electronically tunable substrate integrated waveguide (SIW) cavity resonator at microwave frequency. The resonant frequency of the cavity is tuned with different DC biasing voltages applied over a varactor coupled to the cavity. This structure has been analyzed with a full-wave software package. To validate our analysis, an X-band reflective tunable SIW cavity resonator...
In this paper, the characteristics of flexible substrate integrated waveguide (SIW) are experimentally investigated. Based on the merits of high quality, low insertion loss, flexibility and mass productive etc. from SIW, both K and Ka band flexible waveguides have been designed, fabricated with normal printed circuit board (PCB) process and tested. From the experimental results, good guided wave performance...
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