Fabricating methods for air-gap type FBARs and duplexers...

Fault-tolerant power combining system

FBAR band pass filter, duplexer having the filter and...

FBAR ladder filter and method of grounding of FBAR ladder...

FBAR, FBAR based duplexer device and manufacturing method...

Feed forward passive coupling system and method

Feed network device, antenna feeder subsystem, and base...

Ferrite type directional coupler

Ferrite variable power divider

Ferroelectric total internal reflection RF switch

Ferroelectric-tunable microwave branching couplers

Film bulk acoustic resonator filter and duplexer

Film bulk acoustic resonator, filter, communication module...

Filter and antenna duplexer

Filter and duplexer

Filter and duplexer

Filter apparatus with circulator for use in radio apparatus tran

Filter assembly and communication apparatus

Filter assembly comprising two bulk wave resonators

Filter bank