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Recently, substrate integrated waveguides are the best choice for micro-wave and millimeter-wave applications thanks to their integrability and good performance, what made them a good alternative for rectangular and planar waveguides. The SIW structure suffers from three kinds of losses, radiation losses, dielectric loss and conductor loss. The SIW vias risk a radiation loss due to the space between...
In this paper, we present a new Quarter-Mode Substrate Integrated Waveguide filter (QMSIW). A prototype of the proposed filter operating at 8.88 GHz was simulated under CST Microwave Studio and HFSS software. Return losses represent better than 20dB, while the simulated insertion losses represent 0.4dB. The simulated results of this filter show good agreement, with a size reduction of about 75 and...
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