The Theory Behind“Smith Chart”
1. What is “Smith Chart”?The chart was invented by Phillip Smith in 1939 while working at RCA in the United States. Smith once said, “When I can use a slide rule, I’m interested in graphically representing mathematical relationships.”The basics of the Smith chart lie in the following formula.where Γ represents the reflection coefficient of its lineThat is, S11 and ZL in the S-parameter are the nor……