Which one is an antenna coupling unit? A. Coupler B. Diplexer C. Lecher wire D. Duplexer

Which one is an antenna coupling unit?
A. Coupler
B. Diplexer
C. Lecher wire
D. Duplexer
by

1 Answer

Answer :

B. Diplexer
by

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Where are the current nodes in a half-wave antenna? A. At the ends B. At the center C. Three-quarters of the way from the feed point toward the end D. One-half of the way from the feed point toward the end

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A disadvantage of using a trap antenna. A. It will radiate harmonics B. It can only be used for single-bad operation C. It is too sharply directional at lower frequencies D. It must be neutralized

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Last Answer : A. It will radiate harmonics