Stopband-improved substrate-integrated waveguide (SIW) triplexer and triple-band filters are presented based on the novel realization method of coupling topologies composed of common triple-mode resonators coupled with multiple single-mode ones. Thanks to the common triple-mode cavities acting as T-junction proposed in our previous work. the three passbands can be flexibly controlled.... https://www.roneverhart.com/HP-Pavilion-15-eg1053cl-15-6-FHD-Touch-Intel-Core-i5-1235U-3-30-GHz-Intel-Iris-Xe-Graphics-12-GB-DDR4-RAM-512-GB-SSD-/