Cascaded surface acoustic wave filter system for cancelling...

Cascaded surface wave device filters providing balanced and unba

Casing for CATV filter

Casing for CATV filter

CATV filter assembly with improved electrical grounding

Cavity filter

Cavity filter and multi-coupler utilizing same

Cavity spanning bottom electrode of a substrate-mounted bulk...

Cavity type band-pass filter with comb-line structure

CCD filter having comb-shaped characteristics

CCD Triple-split gate electrode transversal filter

Center-electrode assembly and manufacturing method therefor,...

Ceramic band-pass filter

Ceramic band-pass filter

Ceramic band-stop filter

Ceramic bandpass filter

Ceramic bandstop filter

Ceramic bandstop filter

Ceramic block filter having nonsymmetrical input and output impe

Ceramic block filter with bidirectional tuning