Bandpass filter, duplexer, high-frequency module and...
Bandpass filter, electronic device including said bandpass...
Bandpass filters
Bandpass type filter having tri-plate line resonators
Bandstop filter coupling tuner
Bandstop filter for very high frequency transmission lines and b
Bandstop filter having symmetrically altered or compensated quar
Bandstop filter module with shunt zero
Bandwidth agile, dielectrically loaded resonator filter
Block filter having high-side passband transfer function zeroes
Broadband microstrip filter apparatus having inteleaved resonato
Built-in cross-coupled dielectric filter