Visible to the public An Acoustic Resonator with Electromechanical Coupling of 16% and Low TCF at 5.4 GHz

TitleAn Acoustic Resonator with Electromechanical Coupling of 16% and Low TCF at 5.4 GHz
Publication TypeConference Paper
Year of Publication2021
AuthorsHassanien, Ahmed E., Gong, Songbin
Conference Name2021 IEEE International Ultrasonics Symposium (IUS)
Keywords5G mobile communication, 5G NR, acoustic coupling, acoustic resonators, Acoustics, Couplings, electromechanical coupling, Human Behavior, Lithium niobate, Low TCF, pubcrawl, Resiliency, Resonant frequency, Scalability, Silicon compounds, Temperature dependence, Wi-Fi
AbstractIn this paper, an acoustic resonator with frequency \textbackslashtextgreater 5 GHz is designed, implemented, and measured with electromechanical coupling exceeding 15% and low temperature dependence compared to conventional Lamb-wave resonators. The acoustic resonator is optimized for the S4 mode Lamb waves in a bi-morph composed of Lithium Niobate and Silicon Dioxide. The resonator optimization is based on adjusting the thickness of different materials in the bimorph to maximize the coupling and minimize temperature dependence simultaneously. The achieved specifications are adequate for 5G sub-6 GHz frequency band n46 in addition to Wi-Fi new bands between 5 and 6 GHz.
DOI10.1109/IUS52206.2021.9593546
Citation Keyhassanien_acoustic_2021