Filter for microwaves

Filter for segmenting power lines for communications

Filter for short electromagnetic waves formed as a comb line or

Filter for very short electromagnetic waves

Filter formed with a one piece U-shape ferrite core

Filter functioning with acoustic waves

Filter functioning with acoustic waves

Filter having a dielectric resonator

Filter having a dielectric resonator

Filter having an electromagnetically tunable transmission zero

Filter having elements with distributed constants which associat

Filter having parasitic inductance cancellation

Filter having parasitic inductance cancellation

Filter having part of a resonator and integral shell extruded fr

Filter having tunable center frequency and/or tunable bandwidth

Filter insert for connectors and cable

Filter of the type consisting of a primary waveguide having late

Filter pin electrical connector

Filter structure

Filter structure and method for the design of a filter