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A filtering differential power divider based on the substrate integrated waveguide (SIW) technology is proposed for the first time, featured by good common-mode suppressions and high selectivity. A rectangular SIW cavity, which is connected with differential inputs and operates in a balanced diagonal TE102 mode, is utilised to achieve the power division function. It also works with rectangular SIW...
A novel magic-T with bandpass filtering response using substrate integrated waveguide (SIW) technology is presented. The basic design concept is based on properly locating the two power-division ports in a dual-mode circular SIW cavity, whose field distributions are even or odd symmetric. Not only in-phase and out-of-phase operations can be achieved in the magic-T, but also filtering responses for...
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