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electronics and communication engineering microwave communication
1. Consider the following statements about directional coupler shown in the figure Ports 1 and 2 are decouplePorts 3 and 4 are decoupledPots 1 and 3 are decoupledPorts 1 and 4 are decoupled Which of the above statements are correct?
(A): 1 and 2 only
(B): 1, 2 and 3
(C): 2, 3 and 4
(D): 3 and 4 only
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