IEEE Microwave and Wireless Components Letters, 2018 This letter presents the experimental demonstration of a film bulk acoustic resonator (FBAR) circulator at 2.5 GHz. The circulator is based on spatio-temporal modulation of the series resonant frequency of FBARs using varactors and exhibits a large ...
Mustafa Mert Torunbalci +2 more
exaly +4 more sources
Aluminum Nitride-Based Adjustable Effective Electromechanical Coupling Coefficient Film Bulk Acoustic Resonator [PDF]
Micromachines, 2023 The arrival of the 5G era has promoted the need for filters of different bandwidths. Thin-film bulk acoustic resonators have become the mainstream product for applications due to their excellent performance.
Yuanhang Qu +9 more
doaj +2 more sources
Temperature Cycle Reliability Analysis of an FBAR Filter-Bonded Ceramic Package [PDF]
Micromachines, 2023 On the background that the operating frequency of electronic devices tends to the radio frequency (RF) segment, a film bulk acoustic resonator (FBAR) filter is widely used in communication and military fields because of its advantages of high upper ...
Wenchao Tian +4 more
doaj +2 more sources
Numerical Investigation of Phononic Crystal Based Film Bulk Acoustic Wave Resonators [PDF]
Nanomaterials, 2021 Film bulk acoustic resonator (FBAR)-based filters have attracted great attention because they can be used to build high-performance RF filters with low cost and small device size.
Linhao Shi +5 more
doaj +2 more sources
High-Order Harmonic Film Bulk Acoustic Resonator Based on a Polymer Reflector [PDF]
Sensors, 2022 A film bulk acoustic resonator (FBAR), based on a polymer air cavity, is presented. The polymer reflective layer on the polymer air cavity can serve both as the reflective layer and the function layer for inducing the high-order mode resonance.
Yuxuan Hu +4 more
doaj +2 more sources
Influence of Etching Trench on
Micromachines, 2022 As radio-frequency (RF) communication becomes more ubiquitous globally, film bulk acoustic resonators (FBAR) have attracted great attention for their superior performance.
Chao Gao +6 more
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The Design of a Frame-Like ZnO FBAR Sensor for Achieving Uniform Mass Sensitivity Distributions
Sensors, 2020 In this paper, an infinite circular ZnO thin film bulk acoustic resonator (FBAR) with a frame-like electrode operating at the thickness-extensional (TE) mode is studied.
Zinan Zhao, Zhenghua Qian
exaly +3 more sources
Fabrication of Air Cavity Structures Using DRIE for Acoustic Signal Confinement in FBAR Devices [PDF]
MicromachinesAcoustic energy penetrates into the Si substrate at cavity boundaries. Due to this, the air cavity-based bulk acoustic resonators experience higher harmonic mode, parasitic resonance, and spurious mode.
Raju Patel +3 more
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Design and Fabrication of 3.5 GHz Band-Pass Film Bulk Acoustic Resonator Filter [PDF]
MicromachinesWith the development of wireless communication, increasing signal processing presents higher requirements for radio frequency (RF) systems. Piezoelectric acoustic filters, as important elements of an RF front-end, have been widely used in 5G-generation ...
Yu Zhou +10 more
doaj +2 more sources
Design and Optimization of a BAW Microphone Sensor [PDF]
Micromachines, 2022 A wind tunnel experiment is an important way and effective method to research the generation mechanism of aerodynamic noise and verify aerodynamic noise reduction technology.
Huihui Guo +4 more
doaj +2 more sources