Arrangement for tuning a resonator

Array of directional filters

Articulated electrical waveguide construction

Artificial dielectric polarizer

Artificial load

Assembly for the pressure-tight separation of a first...

Asymmetric response bandpass filter having resonators with...

Attenuation and time delay equalizer for a waveguide filter

Attenuation equalizer

Attenuator device with distributed resistance and capacitance

Balanced duplexer

Balanced microstrip filter

Balanced to unbalanced circuit

Balun for an antenna

Band pass filter

Band pass filter with tunable phase cancellation circuit

Band rejection filtering arrangement

Bandpass filter with dielectric resonators

Bandpass filter with plurality of wave-guide cavities

Beam position and width sensing by scattering