Tunable resonator with MEMS element

Tunable wideband bandpass filter, tunable multi-band...

Tuning apparatus and method of producing the same

Two frequency filter comprising an inductance device, a...

Two-pole notch filter

Two-stage power noise filter with on and off chip capacitors

Two-tiered tuned filter

Ultra-high-frequency notch filter having an inductance set...

Unitary packaging system for a capacitor and inductor

Universal noise controller

Universally stable output filter

Utilization of proximity effect in ripple noise filtering

Variable bandwidth filter

Variable capacitance circuit, variable capacitance thin film...

Variable filter using fluid dielectric

Variable impedance circuit providing reduced distortion

Variable matching circuit, variable resonance circuit,...

Variable trap circuit

Variable tuning device

Variable-frequency band-elimination filter