ELECTRICAL RESONATOR DEVICE WITH A WIDE FREQUENCY VARIATION RANGE

摘要

An electrical resonator device, capable of operating at variable frequency ω, including: an acoustic wave resonator, a first electrical circuit coupled in parallel to the resonator with an adjustable complex impedance whose imaginary part is equal to; $$ \frac{-j}{C_1\omega },$$ ;where C₁≧0, a second electrical circuit coupled in parallel to the resonator and the first electrical circuit, with a complex impedance whose imaginary part is equal to; $$ \frac{-j}{C_2\omega },$$ ;where C₂0, ω is the operating frequency of the device.