Radio Amateur Quiz Canadian License

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Question A-007-003-003

What term describes a method of antenna impedance matching that uses a short section of transmission line connected to the antenna transmission line near the antenna and perpendicular to the transmission line?

Correct Answer

The stub match

Explanation

A stub match uses a short length of transmission line (stub), either open or shorted at its far end, connected in parallel (or sometimes series) with the main feedline near the antenna to provide the necessary reactance for impedance matching.

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