Half mode substrate integrated waveguide (HMSIW) notch filters using open ring resonators
2017 11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials)(2017)
摘要
An open ring resonator (ORR) is applied to a half mode substrate integrated waveguide (HMSIW) for the design of notch filters. This ORR cell is connected in parallel with a HMSIW section. The measured ORR-loaded HMSIW has the same behavior as a shunt series LC resonant circuit with a 3 dB stop-band bandwidth lower than 5 % and insertion loss above 15 dB. This ORR cell can be useful for the design of higher-order band-stop filters and reconfigurable HMSIW band-stop filters by placing a varactor diode connected to the open ring resonator.
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关键词
shunt series LC resonant circuit,ORR cell,open ring resonator,half mode substrate integrated waveguide notch filters,HMSIW section,ORR-loaded HMSIW
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