Filter, duplexer, and communication device

Filter, duplexer, and communication device

Filter, duplexer, and communications device

Filter, multiplexer, and communication apparatus

Filtering device comprising filters, each having a resonance...

Filtering type frequency switching circuit

Filters and duplexers utilizing thin film stacked crystal filter

Five port waveguide switch

Flat cavity RF power divider

Flat transmission path for communication system

Flip-mounted impedance

Floating potential conductor coupled quarter-wavelength coupled

Four port dual polarization frequency diplexer

Four port hybrid

Four port monolithic GaAs pin diode switch

Four port waveguide switch

Four way RF power splitter/combiner

Four-drop bus with matched response

Four-port magic tee having cavity structure at fourth port

Four-port network for separating two signals comprised of doubly