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

Abstract—A brief chronology of the application of transmission q*'hSt@+D  
line theory to electromagnetic compatibility (EMC) applications is &Kjqdp  
presented. Transmission line studies in EMC began in the 1950s JaIj9KLNX  
and 1960s with the frequency-domain analysis of crosstalk in cables. x/9`2X`~  
Nuclear electromagnetic pulse (EMP) concerns in the 1970s ?Bh}  
caused an increasing emphasis on the study of incident field excitation nS4~1a  
of the lines. The advent of digital technology in the 1980s 3QXGbu}:h!  
moved the research emphasis toward the analysis of the transmission 59EAqz[:  
lines in the time domain. Early work concentrated on lossless <@zOdW|{:  
lines whose solutions are very simple. After the 1980s, the impact ,t)mCgbcO  
of high-speed digital technology has driven much of the research ]%mg(&p4  
toward the study of ways to incorporate line losses (particularly, ShSh/0   
frequency-dependent losses as with skin effect) into the solutions. "BzRLg!J
 
In addition, the increasingly complex digital systems have resulted +x+H(of.  
in the study of how to optimize the representation and solution /&kTVuN"(  
of large interconnected networks of transmission lines. This paper :uI}"Bp  
attempts to put the historical evolution of the study of transmission C?E;sRr0  
lines in EMC in a chronological perspective. *b7v)d#  
Index Terms—Complex frequency hopping, crosstalk, guided [
n< U>up  
waves, method of characteristics, moments, multiconductor tran .. Xf#;GYO|2  
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