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Analysis of Multiconductor Transmission Lines, 2nd Edition by Clayton R. Paul

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APPENDIX A

DESCRIPTION OF COMPUTER SOFTWARE

Several FORTRAN computer programs that implement the methods described in this text have been developed. The codes can be downloaded from the Wiley FTP site at ftp:\\ftp.wiley.com/public/sci_tech_med/multiconductor_transmission/

This appendix gives a description of those codes. The programs are written in standard FORTRAN 77 language. A conscious attempt was made to use rudimentary FORTRAN programming commands so that the codes would be compilable with a wide variety of FORTRAN compilers on a large number of platforms. The codes use certain arrays to store information. These array dimensions are determined by the total number of conductors of the transmission line and other solution properties and are stored in parameters at the beginning of the code. An example is the parameter MSIZE:

PARAMETER(MSIZE = 99)

The user needs only to change these parameters for the program to handle larger numbers of conductors in the line and can recompile the source code (XXXXX.FOR) to obtain an executable code (XXXXX.EXE). Each uncompiled source code (XXXXX.FOR) contains at the beginning a brief description of the code, the array dimensions, and the names and contents of the required input files and the name of the resulting output file.

The codes fall into two distinct categories: those that compute the per-unit-length parameters of inductance and capacitance and those that solve the MTL equations and incorporate the terminal conditions. The codes that ...

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