Ladder filter and method for producing conjugately matched imped

Ladder filter comprising stacked piezoelectric resonators

Ladder filter containing piezoresonator with conductive elastic

Ladder filter having an optimal arrangement of piezoelectric res

Ladder filter having edge reflection type saw resonators

Ladder filter having reduced size

Ladder filter with piezoelectric resonators each having a plural

Ladder filter with piezoresonators and folded electrode terminal

Ladder saw filter contained in a single acoustic track

Ladder type band-pass filter comprising of assembled plural vibr

Ladder type filter

Ladder type filter comprised of stacked tuning fork type resonat

Ladder type filter with adjustable resonator positioning member

Ladder type piezoelectric filter

Ladder type piezoelectric filter including conductive rubber pla

Ladder-type bulk acoustic wave filter with common ground...

Ladder-type ceramic filter

Ladder-type ceramic filter

Ladder-type electric filter

Ladder-type electric filter apparatus and housing therefor