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An Improved EEHEMT RF Noise Model for 0.25 µm InGaP pHEMT Transistor Using Verilog-A Language

An-Sam PENG, Lin-Kun WU

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Summary :

In this paper, an accurate experimental noise model to improve the EEHEMT nonlinear model using the Verilog-A language in Agilent ADS is presented for the first time. The present EEHEMT model adopts channel noise to model the noise behavior of pseudomorphic high electron mobility transistor (pHEMT). To enhance the accuracy of the EEHEMT noise model, we add two extra noise sources: gate shot noise and induced gate noise current. Here we demonstrate the power spectral density of the channel noise Sid and gate noise Sig versus gate-source voltage for 0.25 µm pHEMT devices. Additionally, the related noise source parameters, i.e., P, R, and C are presented. Finally, we compare four noise parameters between the simulation and model, and the agreement between the measurement and simulation results shows that this proposed approach is dependable and accurate.

Publication
IEICE TRANSACTIONS on Electronics Vol.E100-C No.5 pp.424-429
Publication Date
2017/05/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E100.C.424
Type of Manuscript
Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category

Authors

An-Sam PENG
  National Chiao-Tung University
Lin-Kun WU
  National Chiao-Tung University

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