Filter with an electrically tunable resonator

Filter with dielectric resonators

Filter with electrically adjustable attenuation characteristic

Filter with ferroelectric-ferromagnetic composite materials

Filter with improved capacitive coupling portion

Filter with improved capacitive coupling portion

Filter with improved intermodulation distortion...

Filter with improved stop/pass ratio

Filter with low-noise amplifier

Filter with magnetic layer and manufacturing method thereof

Filter with manually operable signal carrier guides

Filter with multiple shunt zeros

Filter with spurious characteristic controlled

Filter with stepped impedance resonators and method of...

Filter with strip lines

Filter, antenna duplexer, and communication apparatus...

Filter, antenna sharing device, and communication device

Filter, duplexer, and communication device

Filter, duplexer, and communication device

Filter, duplexer, and communication device