Discrete dielectric material cavity resonator and filter...

Discrete voltage tunable resonator made of dielectric material

Dispersion compensation technique and apparatus for microwave fi

Distributed constant circuit

Distributed constant filter, method of manufacturing same,...

Distributed constant type filter

Distributed element filter

Distributed element filter

Distributed TEM filter with interdigital array of resonators

Distributed-constant filter

Distribution constant filter with suppression of TE11 resonance

Distribution constant type filter

Double-mode filter

Drop-in magnetically tunable microstrip bandpass filter

Dual bandpass microwave filter

Dual block ceramic resonator filter having common electrode defi

Dual channel band-pass filter

Dual mode band pass filter

Dual mode band rejection filter

Dual mode band-pass filter