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How to calculate the RF voltage or current ?

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avdrummerboy

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RF voltages/ currents

How does one calculate the RF voltage or current going through say a coaxial cable, is it by the impedance of the cable and the amount of power?
 

Re: RF voltages/ currents

Actually it is.
I = √(P/Z)
U = √(P•Z)
Applicable for matched load (VWSR ≈ 1, respectively Z ≈ RL)
 

Re: RF voltages/ currents

you can use RF library of Hspice software or useing manually with s parameters
 

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