Fast turn-on, temperature stable dielectric resonator oscillator

Fastener means relating to contact junctions

Ferrite-semiconductor resonator and filter

Ferroelectric devices and method relating thereto

Ferroelectric devices and method relating thereto

Ferromagnetic resonator

Ferromagnetic resonator

Ferromagnetic resonator

Ferromagnetic resonator having temperature compensation means us

Filter having resonant frequency adjusted with dielectric layer

Filter tuning assmebly

Filter tuning device and tuning plate including a number of such

Filter with an electrically tunable resonator

Filter with improved stop/pass ratio

Filtering arrangement with impedance step resonators

Fine tuning system for voltage controlled oscillators

Fixing structure of dielectric resonator

Fractal and space-filling transmission lines, resonators,...

Frequency tunable resonator including a varactor

Frequency-adjustable coaxial dielectric resonator and filter usi