Reference Media
External Links
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Tools
- Normalized VSWR Calculator
Given three measured impedances (6 boxes to fill in – resistance and reactance for each frequency)
Low frequency Impedance: Rl and Xl
Center frequency Impedance: Rc and Xc
Upper frequency impedance: Ru and Xu
Lower Frequency Normalized VSWR: VSWRl = (|pl|+1)/(|pl|-1) where pl=(Rl-Rc+j(Xl-Xc))/(Rl+Rc+j(Xl-Xc)) and
Upper Frequency Normalized VSWR: VSWRu = (|pu|+1)/(|pu|-1) where pu=(Ru-Rc+j(Xu-Xc))/(Ru+Rc+j(Xu-Xc))
Where |x| is absolute value and j is sqrt(-1).
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