The term ζ is the coupling factor and is equal to the magnitude of the maximum coupling between the lines. The maximum coupling is written as maximum coupling = ζdB = 20Log(ζ) for BL = π/2. With ...
Quadrature (90-degree) hybrid couplers play an important role in various RF system like receivers, transmitters, signal analysis/processing circuits etc., for phase shifting, power combining, and ...
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