Filter having switch function and band pass filter

Filter having tunable center frequency and/or tunable bandwidth

Filter including a microstrip antenna and a frequency selective

Filter including acoustic wave filters connected in parallel

Filter insert for connectors and cable

Filter module using piezoelectric resonators, duplexer,...

Filter network combining non-superconducting and...

Filter of the distributed constants type

Filter of the type consisting of a primary waveguide having late

Filter pin electrical connector

Filter structure

Filter structure and arrangement comprising piezoelectric...

Filter structure and method for the design of a filter

Filter structure comprising piezoelectric resonators

Filter structure including circuit board

Filter structure with anti-rotation keying

Filter structures for integrated circuit interfaces

Filter switching circuit having a shorter distance of...

Filter system comprising a bulk acoustic wave resonator

Filter system with bulk wave resonator having a reflection...