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authordmcmahill <dmcmahill>2002-03-13 12:42:59 +0000
committerdmcmahill <dmcmahill>2002-03-13 12:42:59 +0000
commitdf0c6251ba52b8135a5f9d2e1f156f4a73d2427a (patch)
treee7288f1a2f1402eb27d5f86b50effe09ea1253fd /cad/Makefile
parent50731b76b7bad9468fbebd7865abe815622d021d (diff)
downloadpkgsrc-df0c6251ba52b8135a5f9d2e1f156f4a73d2427a.tar.gz
import of atlc-2.32
------ Atlc is a finite difference programme that is used to calculate the properties of a two-conductor electrical transmission line of arbitrary cross section. It is used whenever there are no analytical formula known, yet you still require an answer. It can calculate: The impedance Zo (in Ohms) The capacitance per unit length (pF/m) The inductance per unit length (nF/m) The velocity of propogation v (m/s) The velocity factor, v/c, which is dimensionless. A bitmap file (usually with the extension .bmp or .BMP) of the cross section of the transmission line is drawn in a graphics package such as The Gimp and then analyzed using Atlc.
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