Dual-mode surface wave filter with enhanced symmetry and...
Dual-tuning microwave devices using ferroelectric/ferrite...
Duall-passband surface acoustic wave filter
Duplex dielectric filter
Duplex filter operating as a change-over switch
Duplex filtering
Duplex/diplexer having two modularly constructed filters
Duplexed front-end for a radio transceiver system
Duplexer
Duplexer
Duplexer and communication apparatus including the same
Duplexer and communication apparatus using the same
Duplexer and communication apparatus with a matching circuit...
Duplexer and communication apparatus with first and second...
Duplexer and communications equipment
Duplexer and composite module having a package with an...
Duplexer and elastic wave device
Duplexer and ladder type filter
Duplexer and method of isolating an Rx-band and a Tx-band
Duplexer and method of manufacturing same