1-100 GHz microstrip filter

Absorptive resonant cavity filter

Adjustable band suspended substrate filter

Adjustable capacitive coupling structure

Adjustable coaxial filter device with axially adjustable...

Adjustable coaxial filter device with axially adjustable...

Adjustable coupling arrangement for aperture coupled cavity...

Adjustable coupling cavity filter

Adjustable electronic filter and method of tuning same

Adjustable passband filter

Adjustable resonator filter

Adjustable transmission line filter and method of constructing s

Adjusting method for electrical characteristics of...

Agile microwave filter having at least one ferrite resonator

Air cavity module for planar type filter operating in...

Air cavity module for planar type filter operating in...

Air insulated high frequency filter with resonating rods

Airline transmission structures in low temperature co-fired cera

Angled metallic ridge for coupling combline and ceramic...

Aperture for coupling in an electromagnetic filter