Variable differential phase shifter having a divider wiper arm

Variable distributed constant delay line having movable slider c

Variable equalizer

Variable equalizer

Variable equalizer

Variable equalizer

Variable equalizer

Variable equalizer

Variable equalizer

Variable filter using fluid dielectric

Variable impedance circuit providing reduced distortion

Variable line extender for wave guide

Variable matching circuit

Variable matching circuit, variable resonance circuit,...

Variable matching circuit, variable resonance circuit,...

Variable matching circuit, variable resonance circuit,...

Variable permittivity structure based on...

Variable phase delay by modifying a fluidic dielectric

Variable phase shifter

Variable phase shifter and a system using variable phase...