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main line loss equation

时间:04-07 整理:3721RD 点击:
hi i need equation for main line loss. as well as coupling loss.

what sort of main line ? what frequency ?

Main Line Loss: The input power divided by the power at the direct port. (10*lg(pin/P_direct))

Coupling: At a given frequency (wn), coupling is the input power divided by the power at the coupled port. Mean coupling is the average value of the coupling values in the band. N is the number of frequencies in the band.

Reference:

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