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Diplexer with high isolation was proposed in this paper. We analyze the design procedure of diplexer and then add three order resonances in diplexer. 0.25A transmitting lines at distinguished working center frequency are used to make the isolation between two paths of diplexer better. Test results show that diplexer with two bands at 1.95 GHz and 2.12 GHz is realized. Favorable out-of-band rejection...
In this paper "T" shape transitions between the air-filled standard waveguide and SIW were introduced. This kind of transition is actually an E-plane T junction, which have the functions of a transition from the standard waveguide to SIW as well as a power divider. One specific application of this type transition is to connect the standard waveguide to a slotted waveguide array antenna or...
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