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A SPICE Model and Electrostatic Field Analysis of the MOS Turn-Off Thyristor

Description: This paper presents a circuit model and an electrostatic field analysis with an approximate model of the SDM170HK MOS turn-off thyristor (MTO) fabricated by Silicon Power Corporation. The circuit model consists of five cells, each containing two bipolar junction transistors and three resistors. The turn-off feature of the MTO was simulated by inserting an array of 21 Fairchild FDS6670A MOSFET importable sub-circuit components between the cathode and the turn-on gate. The model was then used to … more
Date: August 5, 2002
Creator: Kelly, D. Q.; Mayhall, D. J.; Wilson, M. J. & Lahowe, D. A.
Partner: UNT Libraries Government Documents Department
open access

A new time-dependent analytic model for radiation-induced photocurrent in finite 1D epitaxial diodes.

Description: Photocurrent generated by ionizing radiation represents a threat to microelectronics in radiation environments. Circuit simulation tools such as SPICE [1] can be used to analyze these threats, and typically rely on compact models for individual electrical components such as transistors and diodes. Compact models consist of a handful of differential and/or algebraic equations, and are derived by making simplifying assumptions to any of the many semiconductor transport equations. Historically, ma… more
Date: April 1, 2012
Creator: Verley, Jason C.; Axness, Carl L.; Hembree, Charles Edward; Keiter, Eric Richard & Kerr, Bert (New Mexico Institute of Mining and Technology, Socorro, NM)
Partner: UNT Libraries Government Documents Department
open access

Evaluate Status of Pacific Lamprey in the Clearwater River Drainage, Idaho, Annual Report 2002.

Description: In 2002 Idaho Department of Fish and Game continued investigation into the status of Pacific lamprey populations in Idaho's Clearwater River drainage. Trapping, electrofishing, and spawning ground redd surveys were used to determine Pacific lamprey distribution, life history strategies, and habitat requirements in the South Fork Clearwater River, Lochsa River, Selway River, and Middle Fork Clearwater River subbasins. Five-hundred forty-one ammocoetes were captured electroshocking 70 sites in th… more
Date: October 1, 2003
Creator: Cochnauer, Tim & Claire, Christopher
Partner: UNT Libraries Government Documents Department
open access

The Induction of Chaos in Electronic Circuits Final Report-October 1, 2001

Description: This project, now known by the name ''Chaos in Electronic Circuits,'' was originally tasked as a two-year project to examine various ''fault'' or ''non-normal'' operational states of common electronic circuits with some focus on determining the feasibility of exploiting these states. Efforts over the two-year duration of this project have been dominated by the study of the chaotic behavior of electronic circuits. These efforts have included setting up laboratory space and hardware for conductin… more
Date: April 1, 2003
Creator: R.M.Wheat, Jr.
Partner: UNT Libraries Government Documents Department
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