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
Wideband Lithium Niobate FBAR Filters [PDF]
International Journal of Microwave Science and Technology, 2013 Filters based on film bulk acoustic resonators (FBARs) are widely used for mobile phone applications, but they can also address wideband aerospace requirements. These devices need high electromechanical coupling coefficients to achieve large band pass filters.
Thomas Baron +9 more
openaire +3 more sources
Design and Fabrication of a Film Bulk Acoustic Wave Filter for 3.0 GHz–3.2 GHz S-Band [PDF]
SensorsFilm bulk acoustic-wave resonators (FBARs) are widely utilized in the field of radio frequency (RF) filters due to their excellent performance, such as high operation frequency and high quality.
Chao Gao +10 more
doaj +2 more sources
Polyimide-Based High-Performance Film Bulk Acoustic Resonator Humidity Sensor and Its Application in Real-Time Human Respiration Monitoring [PDF]
Micromachines, 2022 Respiration monitoring is vital for human health assessment. Humidity sensing is a promising way to establish a relationship between human respiration and electrical signal.
Yusi Zhu +5 more
doaj +2 more sources
RELAX-Jr: An Automated Pre-Processing Pipeline for Developmental EEG Recordings. [PDF]
Hum Brain MappRELAX‐Jr is a fully‐automated toolbox for cleaning EEG data recorded from children. It is freely available as a plugin for EEGLAB and includes a graphic user interface. It is expected to facilitate effective and unbiased artefact removal in neurodevelopmental datasets.
Hill AT +3 more
europepmc +2 more sources
Enhancement of Quality Factors in a 6.5 GHz Resonator Using Mo/SiC Composite Microstructures [PDF]
MicromachinesThis study addresses the critical challenge of lateral acoustic wave energy leakage in high-frequency film bulk acoustic resonators (FBARs) and elucidates the reflection mechanism of acoustic waves at acoustic reflection boundaries.
Binghui Lin +8 more
doaj +2 more sources
Easily adjustable FBAR filter circuit
Electronics Letters, 2010 A filter circuit employing film bulk acoustic resonators (FBAR) or other types of piezoelectric resonators is proposed. It consists of two FBARs and two amplifiers, and is equivalent to a lattice FBAR filter. The basic advantage of the new circuit is its easy tuning by using the amplifier output impedances and/or extra resistors.
I.S. Uzunov +3 more
exaly +2 more sources
Rational Design and Fabrication of MEMS Gas Sensors With Long-Term Stability: A Comprehensive Review. [PDF]
Adv Sci (Weinh)Recent advances in microelectromechanical systems (MEMS) gas sensors are reviewed, emphasizing strategies to enhance long‐term stability, including chemical modification of sensing films and device structural optimization. Key challenges and future opportunities are also highlighted.
Zhang C +6 more
europepmc +2 more sources
5.5 GHz film bulk acoustic wave filters using thin film transfer process for WLAN applications [PDF]
Microsystems & NanoengineeringWireless local area network (WLAN) has gained widespread application as a convenient network access method, demanding higher network efficiency, stability, and responsiveness. High-performance filters are crucial components to meet these needs. Film bulk
Tingting Yang +8 more
doaj +2 more sources
2D α‐In2Se3 Flakes for High Frequency Tunable and Switchable Film Bulk Acoustic Wave Resonators
Advanced Electronic MaterialsTunable and switchable film bulk acoustic resonators (FBARs) with the capability of dynamically adjusting their resonant frequencies hold significant promise for advanced multi‐band radio frequency (RF) communication systems.
Jiayi Sun +4 more
doaj +2 more sources