Directional Coupler Calculator
Result
Coupling
dB
Coupling loss
dB
Insertion Loss
dB
Directivity
dB
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Where,
P1 = Input Power
P2 = Output Power at Port 2
P3 = Output Power at Isolated Port/Port 3
P4 = Coupled Power/Port 4
Example,
If P1 = 32 dBm, P2 = 29 dBm, P3 = 2 dBm and P4 = 7 dBm
Then, Coupling = 6.6005 dB, Coupling Loss = 1.0721 dB, Insertion Loss = -0.7463 and Directivity = 54404 dB
*To learn more about Couplers click here