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Discussion :: Microwave Communication

  1. A matched generator (Zg = Z0) with 1 Ω available. If all ports are matched, the power delivered at ports 1, 2, 3 respectively are

    2. A.
    0.5 W, 0.5 W, 0 W
    B.
    0 W, 0 W, 1 W
    C.
    0.33 W each
    D.
    0 W, 0.25 W, 0.25 W

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    Answer : Option A

    Explanation :

    Since all ports matched, input SWR = 1. No power is reflected and Pin = P4 = 1 W.

    This power splits between ports 1 and 2. Therefore P1 = P2 = 0.5 Ω, P3 = 0.

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