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E9E01:Which matching system for Yagi antennas requires the driven element to be insulated from the boom?

E9E01E9E

Which matching system for Yagi antennas requires the driven element to be insulated from the boom?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E9E01 is Beta or hairpin.

The key fact is Beta or hairpin. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E9E

E9E02What antenna matching system matches coaxial cable to an antenna by connecting the shield to the center of the antenna and the conductor a fraction of a wavelength to one side?E9E03What matching system uses a short length of transmission line connected in parallel with the feed line at or near the feed point?E9E04What is the purpose of the series capacitor in a gamma match?E9E05What Yagi driven element feed point impedance is required to use a beta or hairpin matching system?E9E06Which of these transmission line impedances would be suitable for constructing a quarter-wave Q-section for matching a 100-ohm feed point impedance to a 50-ohm transmission line?E9E07What parameter describes the interaction of a load and transmission line?