Xiaofeng Lyu
YOU?
Author Swipe
View article: Simplification of Indirect Resonant Switched-Capacitor Converter Based on State-Space Average Model Method
Simplification of Indirect Resonant Switched-Capacitor Converter Based on State-Space Average Model Method Open
This paper simplifies indirect resonant switched-capacitor (ReSC) converters using the state-space average model method. The operation principles of the 4:1 and 5:1 ReSC converters derived from the Dickson (4:1) circuit are analyzed, and t…
View article: Comparative study of the effects of HFT(PCB) parasitics on single-ended forward DC/DC converters
Comparative study of the effects of HFT(PCB) parasitics on single-ended forward DC/DC converters Open
This study investigates the influence of parasitic parameters in high-frequency PCB transformers (HFT(PCB)) on the performance of single-ended resonant aerospace DC/DC converters. An interleaved winding high-frequency PCB transformer, IW-H…
View article: A Wideband Hybrid Envelope Tracking Supply Modulator with Slew-Rate-Enhanced Linear Amplifier
A Wideband Hybrid Envelope Tracking Supply Modulator with Slew-Rate-Enhanced Linear Amplifier Open
A wideband hybrid envelope tracking supply modulator (HETSM) with a slew-rate-enhanced linear amplifier (LA) is described in this work. The proposed slew-rate enhancement (SRE) structure introduces a parallel auxiliary current path directl…
View article: A new topology of asymmetric half bridge for 135W-level type-C power delivery application
A new topology of asymmetric half bridge for 135W-level type-C power delivery application Open
This paper presents a new topology of asymmetric half bridge which can be called capacitor improved-asymmetric half bridge(CI-AHB) by adding a DC blocking capacitor adjacent to the leakage inductance for 135W type-c power delivery applicat…
View article: 3D Heterogenous Integrated Wideband Switchable Bandpass Filter Bank for Millimeter Wave Applications
3D Heterogenous Integrated Wideband Switchable Bandpass Filter Bank for Millimeter Wave Applications Open
This article proposes a three-dimensional heterogenous-integrated (3DHI) switchable bandpass filter bank with two independent wideband filter channels that cover 26–40 GHz and 32.5–40 GHz, respectively. An accurate wafer-level process with…
View article: 28.4cc ultra-density 65W type-C adaptor with current mirror integration method
28.4cc ultra-density 65W type-C adaptor with current mirror integration method Open
With the increasing requirements for charging speed of portable electronic products and the demand for portable performance, the fast-charging adapter industry is facing challenges. Adapters mainly have the problems of being too large in v…
View article: A 93.4% efficiency 42cc type-C power delivery adaptor with PMOS integration power line extension method
A 93.4% efficiency 42cc type-C power delivery adaptor with PMOS integration power line extension method Open
This paper presents a dc-link capacitor reduction method with P-MOS integrated control method. When compared with SCR chopping method, this novel method can easily integrate the auxiliary switch and control function circuits into one simpl…
View article: Analysis and Design of High-Efficiency Modular Multilevel Resonant DC-DC Converter
Analysis and Design of High-Efficiency Modular Multilevel Resonant DC-DC Converter Open
This paper demonstrates a high-efficiency modular multilevel resonant DC-DC converter (MMRC) with zero-voltage switching (ZVS) capability. In order to minimize the conduction loss in the converter, optimizing the root-mean-square (RMS) cur…
View article: Valid Probabilistic Predictions for Ginseng with Venn Machines Using Electronic Nose
Valid Probabilistic Predictions for Ginseng with Venn Machines Using Electronic Nose Open
In the application of electronic noses (E-noses), probabilistic prediction is a good way to estimate how confident we are about our prediction. In this work, a homemade E-nose system embedded with 16 metal-oxide semi-conductive gas sensors…