Carlos E. Christoffersen

Works (7)

Updated: July 5th, 2023 16:02

2011 journal article

Transient simulation based on state variables and waves

International Journal of RF and Microwave Computer-Aided Engineering, 21(3), 314–324.

By: M. Kabir, C. Christoffersen & N. Kriplani

Source: NC State University Libraries
Added: August 6, 2018

2001 article

Electrothermal CAD of power devices and circuits with fully physical time-dependent compact thermal modeling of complex nonlinear 3-D systems

Batty, W., Christoffersen, C. E., Panks, A. J., David, S., Snowden, C. M., & Steer, M. B. (2001, December). IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, Vol. 24, pp. 566–590.

By: W. Batty*, C. Christoffersen n, A. Panks*, S. David *, C. Snowden * & M. Steer n

author keywords: circuits; compact modeling; electrothermal; harmonic balance; nonlinear simulation; MMICs; power FETs; spatial power combiners; thermal; transient
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Source: Web Of Science
Added: August 6, 2018

2001 journal article

State-variable-based transient circuit simulation using wavelets

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 11(4), 161–163.

By: C. Christoffersen n & M. Steer n

author keywords: circuit simulation; circuit transient analysis; nonlinear circuits; solitons; wavelet transforms
TL;DR: For the first time a state variable transient analysis using wavelets is developed and implemented in a circuit simulator and validated by considering a nonlinear transmission line. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2000 journal article

Object oriented microwave circuit simulation

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, 10(3), 164–182.

By: C. Christoffersen n, U. Mughal* & M. Steer*

author keywords: circuit simulation; microwave CAE; object-oriented programming; circuit field interaction; global modeling
TL;DR: An object-oriented microwave circuit simulation environment is described and the simulation of spatial power combining systems is used as a vehicle to illustrate the architectural developments of the system. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Global modeling of spatially distributed microwave and millimeter-wave systems

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 47(6), 830–839.

By: M. Steer n, J. Harvey*, J. Mink n, M. Abdulla n, C. Christoffersen n, H. Gutierrez, P. Heron*, C. Hicks n ...

author keywords: circuit field interaction; circuit theory; electromagnetic analysis; global modeling; method of moments; microwave circuits; nonlinear analysis
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Implementation of the local reference node concept for spatially distributed circuits

International Journal of RF and Microwave Computer-Aided Engineering, 9(5), 376–384.

By: C. Christoffersen n & M. Steer*

TL;DR: A circuit-level approach to the modeling of circuit-field interactions is developed that enables conventional circuit simulators to be extended to incorporate spatially distributed circuits. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

State-variable-based transient analysis using convolution

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 47(6), 882–889.

By: C. Christoffersen n, M. Ozkar n, M. Steer n, M. Case* & M. Rodwell *

author keywords: circuit simulation; circuit transient analysis; convolution; nonlinear circuits; solitons; state variables
TL;DR: A state-variable-based approach to the impulse response and convolution analysis of distributed microwave circuits is developed that minimizes computation time and memory requirements and allows the use of parameterized nonlinear device models, thus improving robustness. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

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