NDLI: Surface-Potential-Based RF Large Signal Model for Gallium Nitride HEMTs

Content Provider	IEEE Xplore Digital Library
Author	Khandelwal, S. Ghosh, S. Chauhan, Y.S. Iniguez, B. Fjeldly, T.A.
Copyright Year	2015
Description	Author affiliation: NTNU, Trondheim, Norway (Fjeldly, T.A.) \|\| IIT Kanpur, Kanpur, India (Ghosh, S.; Chauhan, Y.S.) \|\| Dept. of EECS, UC Berkeley, Berkeley, CA, USA (Khandelwal, S.) \|\| URV, Spain (Iniguez, B.)
Abstract	We present a physics based large signal RF compact model for Gallium Nitride HEMTs (GaN HEMTs). This surface-potential-based model is called Advance SPICE Model for GaN HEMT or ASM-GaN-HEMT model. Surface-potential (SP) in the triangular quantum well of GaN HEMTs is derived by solving Schrodinger's and Poisson's equations consistently and analytically. Core analytical drain-current model is derived using the developed SP model and drift-diffusion transport. The core model is enhanced with models for key real device effects to represent a real GaN HEMT device. A consistent intrinsic charge model is also derived from SP. The developed model is implemented in Verilog-A. Excellent model agreement with DC, S-parameters and large signal RF power sweep measurements are shown for a GaN HEMT device with width W = 40 μ956;m and number of fingers NF = 8.
Starting Page	1
Ending Page	4
File Size	625630
Page Count	4
File Format	PDF
e-ISBN	9781479984947
DOI	10.1109/CSICS.2015.7314527
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	HEMTs MODFETs Gallium nitride Mathematical model Radio frequency Integrated circuit modeling Data models
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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