High-Performance SAW Resonator with Spurious Mode Suppression Using Hexagonal Weighted Electrode Structure [PDF]
Sensors, 2023 Surface acoustic wave resonators are widely applied in electronics, communication, and other engineering fields. However, the spurious modes generally present in resonators can cause deterioration in device performance.
Yulong Liu +6 more
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Edge treatment for spurious mode suppression in thin-film lithium niobate resonators [PDF]
Scientific ReportsThin-film lithium niobate is an attractive material for RF acoustic devices because of its high electromechanical coupling. However, due to the large coupling and the high anisotropy, thin-film lithium niobate resonators are prone to accidental ...
Arjun Aryal +4 more
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Fixed-Frequency Control of Piezoelectric Resonator DC-DC Converters for Spurious Mode Avoidance
IEEE Open Journal of Power Electronics, 2021 Piezoelectric resonators have shown promise as efficient, power-dense energy storage element alternatives to continue the miniaturization of DC-DC converters.
Eric Stolt +6 more
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Lateral Spurious Mode Suppression in Lithium Niobate A1 Resonators
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2021 This work presents an improved design that exploits dispersion matching to suppress the spurious modes in the lithium niobate first-order antisymmetric (A1) Lamb wave mode resonators.
Songbin Gong, Liuqing Gao, Ruochen Lu
exaly +2 more sources
Journal of Microelectromechanical Systems, 2023 This work reports on the design and fabrication of fundamental shear horizontal (SH0) mode acoustic resonators based on a suspended lithium niobate (LNO) film at 1.04 GHz. Due to the large $\boldsymbol {e}_{ \boldsymbol {16}}$ piezoelectric coefficient
Luis Guillermo Villanueva +1 more
exaly +2 more sources
Spurious-Mode Suppression in Sc0.2Al0.8N Film Lamb Wave Resonators and Filters with Arc-Shaped Apodization [PDF]
MicromachinesLamb wave devices have the advantage of monolithic multi-frequency integration and show great application potential in mobile communications. However, their performance is often limited by spurious modes. In this work, an arc-shaped apodization electrode
Kai Cai +4 more
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IEEE Access, 2020 This article presents a Ka-band fourth-order slotted spherical resonator waveguide bandpass filter (BPF) with a wide spurious suppression stopband.
Fan Zhang +9 more
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Transverse Spurious Mode Compensation for AlN Lamb Wave Resonators
IEEE Access, 2019 Lamb wave modes with type I dispersion characteristics exhibit strong affinity toward multi transverse modes behavior above resonance frequency (fr) in the AlN Lamb wave resonators (LWRs), especially the high-transduction-efficiency modes: S0 and S1 mode.
Jie Zou, Jiansong Liu, Gongbin Tang
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Equivalent Circuit Extraction of SAW Resonator with Spurious Modes Interference over a −55 °C to 85 °C Temperature Range [PDF]
MicromachinesSurface acoustic wave (SAW) resonators are widely employed to design radio-frequency (RF) filters in wireless communication. To adapt to various application scenarios, the article proposes an equivalent circuit model based on the Butterworth–Van Dyke ...
Xianli Tang, Yonghao Jia, Yuandong Gu
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Impedance‐Matched High‐Overtone Thickness‐Shear Bulk Acoustic Resonators With Scalable Mode Volume [PDF]
Advanced ScienceHigh‐overtone bulk acoustic resonators (HBARs) are widely used in microwave signal processing due to their high quality factors and multimode resonances. However, conventional HBARs often suffer from impedance mismatch at metal interfaces, spurious modes,
Zi‐Dong Zhang +7 more
doaj +2 more sources