Transmission Line Models for Use with Computer-Aided Circuit Analysis Codes.
Technical rept. 27 Oct 71-27 Oct 72,
STANFORD RESEARCH INST MENLO PARK CALIF
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A model was developed for the class of n-conductor transmission lines for use with the SCEPTRE computer program. The model will reproduce the normal electrical performance of the line and is amenable to modifications that will reproduce the effects of an environment of ionizing, EMP, and neutron radiation. The model is based on the fact that wave propagation on a multiconductor cable can be characterized by orthogonal, independent modes. Each of these modes can then be modeled as a single, independent transmission line. These lines, representing the modes, are connected to terminal-to-mode and mode-to-terminal converters at each end of the line. Thus, the overall model represents the terminal-to-terminal electrical behavior of an actual n-conductor cable. The model was verified by comparing the computer-calculated and experimentally measured responses of a three-conductor, two-transmission-line structure. The report includes a CDC 6600 FORTRAN computer program to reduce the measurement data required to derive the model parameters. Author
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