Dielectric filter having an attenuation pole tunable to a predet

Dielectric filter having an inner conductor with two open-circui

Dielectric filter having at least one stepped resonator hole wit

Dielectric filter having at least one stepped resonator hole...

Dielectric filter having coaxial resonators and a notch pattern

Dielectric filter having corresponding individual external and g

Dielectric filter having coupling amount adjusting patterns

Dielectric filter having coupling electrodes for connecting reso

Dielectric filter having coupling means disposed on a laminated

Dielectric filter having electrodes jump-coupled to a...

Dielectric filter having external connection formed on dielectri

Dielectric filter having external connection terminals on dielec

Dielectric filter having forked auxiliary conductor

Dielectric filter having impedance changing means coupling adjac

Dielectric filter having increased bandwidth

Dielectric filter having inductive coupling windows between...

Dielectric filter having inductive input/output coupling

Dielectric filter having input/output electrodes connected to el

Dielectric filter having inter-resonator coupling including both

Dielectric filter having inter-resonator coupling including both