[IEEE 2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) - Chengdu, China (2016.7.20-2016.7.22)] 2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) - A dual mode substrate integrated waveguide filter with capacitive I/O coupling structure