Dual-frequency matching circuit

Dual-frequency matching circuit

Dual-mode band-pass filter

Dual-mode band-pass filter

Dual-mode cavity filter

Dual-mode cavity filter having input and output coupling irises

Dual-mode cavity for waveguide bandpass filter

Dual-mode dielectric loaded cavity filter with nonadjacent mode

Dual-mode dielectric resonator bandstop filter

Dual-mode filter and design method therefor

Dual-mode filters using dielectric resonators with apertures

Dual-mode microwave filter

Dual-mode resonator

Dual-mode surface acoustic wave filter with split...

Dual-mode surface wave filter with enhanced symmetry and...

Dual-tuning microwave devices using ferroelectric/ferrite...

Duall-passband surface acoustic wave filter

Duplexer dielectric filter

Dynamically adjustable tapped delay line