Chapter7_mPower Divider and Directional Coupler IntroductionA 3-port or 4-port network for power dividing and combining. 3-port: T-junction. 4-port: directional couplers and hybrids. Power dividers are often of equal power division. Directional couplers can be designed for arbitrary power division. Hybrid junctions usually have equal power division and a phase shift of 90o or 180o between the output ports. Outline Basic Properties T-Junction Power Divider Wilkinson Power Divider Quadrature (90o) Hybrid Ring Hybrid Coupled Line Directional Coupler Lange Coupler Basic PropertiesThree-port Networks (T-Junctions)If the component is passive and contains no anisotropic materialsThe network is reciprocal and [S] is symmetric (Sij = Sji).A three-port lossless reciprocal……
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