1.5-GHz voltage controlled oscillator with 3% tuning bandwidth using a two-pole DSBAR filter

von Avramov, Ivan
Veröffentlicht in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control (2011)

Ultra-miniature coupled resonator filter with single-layer acoustic coupler

von Jamneala, Tiberiu
Veröffentlicht in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control (2009)