What system matches a higher-impedance transmission line to a lower-impedance antenna by connecting the line to the driven element in two places spaced a fraction of a wavelength each side of element center?
What is the name of an antenna matching system that matches an unbalanced feed line to an antenna by feeding the driven element both at the center of the element and at a fraction of a wavelength to one side of center?
What is the name of the matching system that uses a section of transmission line connected in parallel with the feed line at or near the feed point?
What is the purpose of the series capacitor in a gamma-type antenna matching network?
How must an antenna's driven element be tuned to use a hairpin matching system?
Which of these feed line impedances would be suitable for constructing a quarter-wave Q-section for matching a 100-ohm loop to 50-ohm feed line?
What parameter describes the interactions at the load end of a mismatched transmission line?
What is a use for a Wilkinson divider?
Which of the following is used to shunt-feed a grounded tower at its base?
Which of these choices is an effective way to match an antenna with a 100-ohm feed point impedance to a 50-ohm coaxial cable feed line?
What is the primary purpose of phasing lines when used with an antenna having multiple driven elements?