Results 181 to 190 of about 1,385 (209)
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A Digitally Controlled FBAR Frequency Reference
2012Crystal oscillators have been the primary frequency reference sources used in communication circuits. However, their size, frequency of operation, and cost are hard to scale. Push toward miniaturization and low cost demands smaller form factor and crystal-oscillator alternatives, and MEMS frequency references have been manufactured recently.
Hiroyuki Ito +2 more
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Complex peripheral Lamb modes in FBARs
2013 IEEE International Ultrasonics Symposium (IUS), 2013In this paper we give experimental observations of the complex valued Lamb mode in a FBAR resonator, using the AIM [1] and standard S-parameter measurements. Furthermore, a theoretical explanation of the observed behavior, based on the Berlincourt formula for the effective coupling coefficient, is offered.
Jyrki Kaitila, John D. Larson
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FBARs Utilizing Induced Piezoelectric Effect
2013This chapter is devoted to the theoretical description of tuning of FBARs based on materials with induced piezoelectric effect. Though DC field–induced piezoelectric ity occurs in any centrosymmetric material, only ferroelectrics display an effect that is strong enough to be of interest for practical applications.
Spartak Gevorgian +2 more
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Why the Ongoing Problem with FBAR Compliance?
SSRN Electronic Journal, 2016The IRS and the Department of Justice have been coordinating enforcement efforts — with mixed success — to encourage the disclosure of information regarding previously undeclared interests of U.S. persons in foreign financial accounts and assets. In 2015, to a large extent as a result of these efforts, Treasury’s Financial Crimes Enforcement Network ...
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High-performance FBAR humidity sensor based on the PI film as the multifunctional layer
Sensors and Actuators B: Chemical, 2020Jihang Liu, Zhen Fang, Yusi Zhu
exaly
Portable FBAR based E-nose for cold chain real-time bananas shelf time detection
Nami Jishu Yu Jingmi Gongcheng/Nanotechnology and Precision Engineering, 2023Chen Wu, Jiuyan Li, Wu Chen
exaly
Innovative-shaped FBARs for smart sensors
2023 IEEE Conference on Antenna Measurements and Applications (CAMA), 2023I. Marasco +5 more
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A theoretical study of the VOC sensor based on polymer-coated diaphragm embedded with FBAR
Measurement: Journal of the International Measurement Confederation, 2018Huihui Guo
exaly
Analyzing the effect of the Front-end circuit for the FBAR sensor
Measurement: Journal of the International Measurement Confederation, 2020Jihang Liu, Yusi Zhu, Zhen Fang
exaly