To couple a coaxial line to a parallel-wire line, it is best to use a

1.	To couple a coaxial line to a parallel-wire line, it is best to use a
A.	Slotted line
B.	Balun
C.	Directional Coupler
D.	Quarter-wave transformer
Answer» C. Directional Coupler

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To couple a coaxial line to a parallel-wire line, it is best to use a

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