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2014-10-13
An Accurately Scalable Small-Signal Model for Millimeter-Wave Hemts Based on Electromagnetic Simulation
By
Progress In Electromagnetics Research M, Vol. 39, 77-84, 2014
Abstract
By using some special passive structures and correction of boundary conditions, a novel method to improve the electromagnetic (EM) simulation accuracy is proposed. With this method, the substrate parameters, such as thickness, loss, dielectric constant, loss tangent, sheet resistance, square capacitance and conductivity of the metal, can be described more accurately, and a lot of high frequency effects caused by skin effects, parasitic effects, coupling between micro-strip lines and fluctuation from the sheet resistance, etc. can also be simulated more precisely. Then an accurately scalable small-signal model for millimeter-wave HEMTs is proposed and presented. Combined with distributed modeling, pulsed IV and S parameter measurements, this model can be made scalable freely. The measurements agree with simulated results very well, which also proves that this method applied to the scalable small-signal models has a good consistency and accuracy.
Citation
Weibo Wang Zhi-Gong Wang Xu Ming Yu Bin Zhang Feng Qian , "An Accurately Scalable Small-Signal Model for Millimeter-Wave Hemts Based on Electromagnetic Simulation," Progress In Electromagnetics Research M, Vol. 39, 77-84, 2014.
doi:10.2528/PIERM14080603
http://www.jpier.org/PIERM/pier.php?paper=14080603
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