Design and Optimization of FBAR Filter Using Acoustic-Electromagnetic Coupling Model and MBVD Model

Chen, Shitao; Yin, Qiupeng; Hu, Cong; Huang, Zhixiang

doi:10.1109/nemo49486.2020.9343531

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…Meanwhile, the team developed the integrated design software of the electrothermal machine for APAR, which can carry out mechanical and thermal simulation analysis of antenna structure and can quickly calculate and display the results. Software operation can reduce the workload of antenna designers, signifcantly improve their work efciency, and provide a reference for scientifc research and engineering applications [80,174,190]. Here are some key common technologies of software development:…”

Section: Software Tool For Performance Compensation Of Apaamentioning

confidence: 99%

Structural-Electromagnetic-Thermal Coupling Technology for Active Phased Array Antenna

Wang

et al. 2023

International Journal of Antennas and Propagation

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Active phased array antenna (APAA) is a representative of complex electronic equipment, and it plays significant roles in scenarios such as battlefield situation perception, aviation guidance, and communication. It has become the core equipment in land, navigation, and aeronautical applications. With the continuous improvement of technical changes and military requirements, the working frequency band, pointing accuracy, gain, and low sidelobe level of APAA increase, and the multi-disciplinary design contradiction between antenna electrical performance and structure and temperature becomes increasingly prominent. As a result, the electrical performance of APAA in service is prone to be affected by the external complex environments. The structural-electromagnetic-thermal (SET) coupling problem has become a key problem restricting the development of APAA. This paper has summarized the structural features and environmental loads of advanced APAA on different platforms and provided design basis and principle for antenna designer. And then the SET coupling theory of APAA has been introduced, which can be applied in both the design and manufacturing stage, as well as the performance control technology in service environment of APAA. This theory helps to analyze the impact of environmental factors, such as antenna structure deformation, radome high-temperature ablation, and feed errors, on the antenna's performance. For 128 × 768 spaceborne array antenna, in the range of 25∼85°C, the gain of antenna decreases with the increase of operating temperature and decreases by 0.015 dB with each increase of 1°C. The key design parameters in the fields of antenna manufacturing accuracy, efficient heat dissipation, and lightweight design are also analysed; for 32 × 32 rectangular planar phased array antenna, the gain of antenna decreases by 2.715 dB when the random error of installation position in x, y, and z direction reaches 1/10 of the wavelength. In addition, condition monitoring, displacement field reconstruction, and electrical performance compensation of APAA have also been touched to help engineers maintain and guarantee the antenna performance throughout its life cycle. Finally, the future research direction of SET technology of APAA has been discussed, and SET technology is extended to more fields such as antenna parameter uncertainty, high-frequency circuit electronics manufacturing, and electronic equipment performance guarantee.

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Section: Software Tool For Performance Compensation Of Apaamentioning

confidence: 99%

Structural-Electromagnetic-Thermal Coupling Technology for Active Phased Array Antenna

Wang

et al. 2023

International Journal of Antennas and Propagation

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“…3(c), the MBVD model is comprised of a static capacitor (C 0 ), dielectric loss (R 0 ), electrode resistance (R s ), dynamic capacitor (C m ), dynamic inductance (L m ) and dynamic resistance (R m ). The relationship among them can be explained by the following formulas: [37][38][39][40]…”

Section: Piementioning

confidence: 99%

Laterally-excited bulk acoustic wave resonator with an adjustable piezoelectric coupling coefficient

Wen

Xu²,

Liu³

et al. 2022

Jpn. J. Appl. Phys.

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This paper reports on a design journey for laterally-excited bulk acoustic wave resonator (XBAR) with adjustable piezoelectric coupling coefficient (K2). The vibration principle and resonant characteristics of XBAR are investigated by theoretical and simulation analysis, and the way to adjust K2 by introducing two grooves in the area between interdigital electrodes (IDEs) is proved to be effective by using finite element method (FEM) simulation and the Modified Butterworth-Van Dyke model with series capacitor Cr (MBVD-Cr) first, and then the impact of groove depth (Hg) and groove width (Wg) on K2 of XBAR is theoretically analyzed. Specifically, the K2 can be effectively adjusted by setting different values of Hg and Wg. After optimization, the maximum regulation range of K2 is from 2.02% to 45.05%. The fluted XBAR has a remarkable potential in building XBAR bandpass filter for specific frequency band, which greatly optimizes the XBAR filter design.

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Design of FBAR Filter Chip Based on Space Mapping Optimazation Algorithm

Zhu

Chen

et al. 2022

2022 IEEE 10th Asia-Pacific Conference on Antennas and Propagation (APCAP)

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Design and Optimization of FBAR Filter Using Acoustic-Electromagnetic Coupling Model and MBVD Model

Cited by 4 publications

References 7 publications

Structural-Electromagnetic-Thermal Coupling Technology for Active Phased Array Antenna

Structural-Electromagnetic-Thermal Coupling Technology for Active Phased Array Antenna

Laterally-excited bulk acoustic wave resonator with an adjustable piezoelectric coupling coefficient

Design of FBAR Filter Chip Based on Space Mapping Optimazation Algorithm

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