Ferrite/superconductor microwave device
Ferroelectric electronically tunable filters
Ferroelectric high Tc superconductor RF phase shifter
Ferroelectric RF limiter
Ferroelectric tunable coaxial filter
Field effect transistor having c-axis channel layer
Field-effect device with a superconducting channel
Filter device having independently adjustable filtering...
Filter device having spiral resonators connected by a linear...
Fine uniform filament superconductors
Frequency dependent inductor apparatus and method for a...
Frequency stable resonator with temperature compensating layers
Fully transposed high tc composite superconductor, method...