DC extracting arrangement and a filter
Delay line filter having a single cross-coupled pair of...
Device for filtering electromagnetic waves
Device for the filtering of electromagnetic waves propagating in
Di-electric bandpass filter
Dielectirc resonator apparatus
Dielectric band pass filter having an evanescent waveguide
Dielectric bandpass filter
Dielectric block apparatus having two opposing coaxial resonator
Dielectric block filter having first and second resonator arrays
Dielectric block filter with included shielded transmission line
Dielectric block filter with isolated input/output contacts
Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -S
Dielectric ceramic filter with improved electrical...
Dielectric ceramic filter with metal guide-can
Dielectric coaxial filter with irregular polygon shaped recesses
Dielectric device
Dielectric device with partially closed hole
Dielectric duplexer and a communication device including such di
Dielectric duplexer device