By Kelvin Yuk, G. R. Branner and David McQuate First appears: IEEE MTT-S Int. Microw. Symp., pp. 753-756, Jun. 2009. A new empirical large-signal model for high-power GaN HEMTs utilizing an improved drain current (Ids) model is presented. The new
High power, high conversion gain microwave frequency doublers using wide bandgap semiconductor devices are developed. A method of determining the optimal harmonic terminations using accurate nonlinear computer models and load- and source-pull simulat
A high-voltage (HV) SOI CMOS VLSI chip has been demonstrated to transport droplets on programmable paths across its coated surface. This HV exciter for a fluidic lab-on-a-chip system creates dielectrophoretic forces that move and help inject droplets
Review by Kelvin Yuk Presented: June 11, 2003 Like Dislike
A complete empirical large-signal model for high-power AlGaN/GaN HEMTs (GaN HEMT) utilizing an improved drain current (Ids ) formulation with self-heating and charge-trapping modifications is presented. The new drain current equation accurately model
Kelvin Yuk EEC282 Akella June 4, 2002 I. Introduction What is the problem? The problem is dealing with a high-level description of a system and finding an efficient way of co-synthesizing that system into hardware and software such that performance
Investigation of power generation microdevices that utilize micromachining or MEMS for use in portable and self-powered systems. Autonomous and portable devices demand the need for small, lightweight energy supplies that can replace the use of conven
This is a brief tutorial on the use of ADS Momentum.
Published at WAMICON on April 25, 2017 J. Tan, K. S. Yuk, and G.R. Branner Dept. of Electrical and Computer Engineering University of California at Davis Davis, USA Abstract A wideband Gallium Nitride (GaN) HEMT power amplifier (PA) achieving 7.6W
Using micro-scale fabrication and high voltage technologies, a fluid analysis system based on the transportation of fluid droplets by dielectrophoresis (DEP) can be developed. This thesis describes the development of a two-dimensional high voltage
A high-voltage (HV) integrated circuit has been demonstrated to transport droplets on programmable paths across its coated surface. This chip is the engine for a dielectrophoresis (DEP)-based micro-fluidic lab-on-a-chip system. This chip creates DEP
By Kelvin Yuk Presented: Mar 11, 2003 Like Dislike
