RF Small and large signal characterization of a 3D integrated GaN/RF-SOI SPST switch
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078721000076
Abstract: Abstract This paper presents the radio frequency (RF) measurements of an SPST switch realized in gallium nitride (GaN)/RF-SOI technology compared to its GaN/silicon (Si) equivalent. The samples are built with an innovative 3D heterogeneous integration… read more here.
Keywords: characterization; gan soi; spst switch; signal characterization ... See more keywords
Temperature independence of piezoelectric properties for high-performance BiFeO3–BaTiO3 lead-free piezoelectric ceramics up to 300 °C
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra07553k
Abstract: The temperature-dependence behaviors of ferroelectric, piezoelectric, kp and electrical-field-induced strain were carefully evaluated for high-performance BiFeO3–0.3BaTiO3 (BF–0.3BT) ceramics. There results indicate, combined with Rayleigh analysis and temperature-dependence XRD and PFM, that the increase of strain… read more here.
Keywords: performance bifeo3; temperature; large signal; temperature independence ... See more keywords
Hot electron generation under large-signal radio frequency operation of GaN high-electron-mobility transistors
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4991665
Abstract: In order to assess the underlying physical mechanisms of hot carrier-related degradation such as defect generation in millimeter-wave GaN power amplifiers, we have simulated the electron energy distribution function under large-signal radio frequency conditions in… read more here.
Keywords: frequency; generation; signal radio; operation ... See more keywords
Simultaneous electrical and mechanical resonance drive for large signal amplification of micro resonators
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5018321
Abstract: Achieving large signal-noise ratio using low levels of excitation signal is key requirement for practical applications of micro and nano electromechanical resonators. In this work, we introduce the double electromechanical resonance drive concept to achieve… read more here.
Keywords: resonance drive; resonance; micro; signal amplification ... See more keywords
Black-Box Large-Signal Average Modeling of DC-DC Converters Using NARX-ANNs
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3271731
Abstract: This paper investigates the use of non-linear autoregressive exogenous (NARX) artificial neural networks (ANNs) to achieve black-box average dynamic models of dc-dc converters capable of capturing the main converter non-linearities. Non-linearities may include, for example,… read more here.
Keywords: box large; black box; signal average; box ... See more keywords
Physics-Based Multi-Bias RF Large-Signal GaN HEMT Modeling and Parameter Extraction Flow
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of the Electron Devices Society"
DOI: 10.1109/jeds.2017.2724839
Abstract: In this paper, a consistent DC to RF modeling solution for Al gallium nitride (GaN)/GaN high electron mobility transistors is demonstrated that is constructed around a surface-potential-based core. Expressions for drain current and intrinsic terminal… read more here.
Keywords: extraction; parameter extraction; physics; extraction flow ... See more keywords
A SPDT RF Switch Small- and Large-Signal Characteristics on TR-HR SOI Substrates
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of the Electron Devices Society"
DOI: 10.1109/jeds.2018.2805780
Abstract: This paper evaluates the small- and large-signal characteristics of a single pole double thru (SPDT) RF antenna switch including its insertion loss, isolation, and nonlinear behavior. It is fabricated on three different types of high… read more here.
Keywords: trap rich; soi substrates; small large; signal characteristics ... See more keywords
Toward Large-Signal Stabilization of Floating Dual Boost Converter-Powered DC Microgrids Feeding Constant Power Loads
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2019.2956097
Abstract: In modern dc microgrids (MGs), floating dual boost converters (FDBCs) take the advantages of both interleaved modulations and higher voltage gains, and the FDBC topology has been shown rather suitable for high-power applications. For a… read more here.
Keywords: dual boost; large signal; power; floating dual ... See more keywords
Hamilton-Based Stability Criterion and Attraction Region Estimation for Grid-Tied Inverters Under Large-Signal Disturbances
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2021.3076189
Abstract: As the crucial interface of renewable energy integration, the stable operation of power converters under grid faults and external disturbances has become much more important. However, synchronization instability of grid-tied inverters has been found caused… read more here.
Keywords: tied inverters; large signal; stability; hamilton based ... See more keywords
Application-Oriented Investigation of Parasitic Limitation on Multilevel Modulation of High-Speed VCSELs
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2911306
Abstract: In this paper, we present an application-oriented investigation of parasitic limitation on the large signal performance of VCSELs when multilevel modulation is applied. VCSELs with different damping are taken into consideration. The parasitic parameters are… read more here.
Keywords: application oriented; multilevel modulation; large signal; modulation ... See more keywords
Large-Signal Stability Guarantees for Cycle-by-Cycle Controlled DC–DC Converters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Control Systems Letters"
DOI: 10.1109/lcsys.2022.3225586
Abstract: Stability guarantees are critical for cycle-by-cycle controlled dc-dc converters in high performance applications including microprocessors and LiDAR. Traditional stability analysis on cycle-by-cycle dc-dc converters is incomplete because the inductor current ramps are considered fixed; however,… read more here.
Keywords: cycle; stability guarantees; cycle controlled; cycle cycle ... See more keywords