Lumped filter, shared antenna unit, and communication device

Lumped-element low-pass filter in multi-layered substrate

Lumped-element transmission line in multi-layered substrate

Magnetic core for a signal line filter

Magnetic core noise filter with an integrally formed outer sheat

Magnetically coupled resonators for achieving low cost...

Magnetically coupled series-tuned air coil resonators having...

Mains filter

Method and apparatus for achieving broadband matching of...

Method and apparatus for destructible trap/filter

Method and apparatus for reduction of electromagnetic feed...

Method for designing a filter system

Method for reducing signal-dependent distortion in switched-capa

Method for tuning a filter circuit

Method of constructing an LC network

Method of forming noise filter for a magnetron

Method of reducing switching noise in a power distribution...

Methods and apparatus for an improved discrete LC filter

Methods and apparatus for an improved discrete LC filter

Methods and apparatus for filtering electromagnetic...