[EMC]A Brief History of Work in Transmission Lines for EMC Applications

Abstract—A brief chronology of the application of transmission |jK
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line theory to electromagnetic compatibility (EMC) applications is B^j(Fq  
presented. Transmission line studies in EMC began in the 1950s U.ew6`'Te  
and 1960s with the frequency-domain analysis of crosstalk in cables. l i%8X.  
Nuclear electromagnetic pulse (EMP) concerns in the 1970s OV-#8RXJ  
caused an increasing emphasis on the study of incident field excitation iUS?xKN$~-  
of the lines. The advent of digital technology in the 1980s %'9&JsO  
moved the research emphasis toward the analysis of the transmission LOk J  
lines in the time domain. Early work concentrated on lossless x`K"1E{2  
lines whose solutions are very simple. After the 1980s, the impact W)`H(J  
of high-speed digital technology has driven much of the research uTmT'u:}  
toward the study of ways to incorporate line losses (particularly, \obM}caT  
frequency-dependent losses as with skin effect) into the solutions. |W SvAM3  
In addition, the increasingly complex digital systems have resulted (V`ddP-  
in the study of how to optimize the representation and solution Eq5X/Hx  
of large interconnected networks of transmission lines. This paper 9hhYyqGsO  
attempts to put the historical evolution of the study of transmission }jL4F$wC  
lines in EMC in a chronological perspective. sw,p6T[  
Index Terms—Complex frequency hopping, crosstalk, guided `yM9XjEl>  
waves, method of characteristics, moments, multiconductor tran .. 8]JlYe  
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