Substrate integrated waveguide based circular cavity filter in Ku band

In this paper a Substrate Integrated Waveguide based filter is designed in Ku Band by making use of a Circular Cavity at the center. Furthermore, in order to enhance the Q factor of the filter shorting posts are provided at optimized positions within the Circular Cavity. The designed filter operates at a frequency of 16.93 GHz and is optimized for a Q factor of 367. The filter parameters are acquired using the ANSYS HFSS simulator.