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A compact ultra-wideband (UWB) bandpass filter (BPF) with two notched bands based on ridged waveguide is presented. Capacitive loading short stub structures are introduced to reject the undesired wireless local-area network (WLAN) radio signals (i.e., 5.2-and-5.8-GHz bands). By independently adjusting the heights of the capacitive loading posts in the short stubs, the centre frequencies of two notched...
In this paper, we will propose integrated power dividing/ combining networks for power combiner and phased array applications. The design procedures for a Ka-band 4-port power combining network will be presented, together with the simulated and tested results. It has a total insertion loss lower than 0.25dB and phase difference less than +/-3degrees in a relative bandwidth of 4% around center frequency...
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