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 the driven element in a 3-element Yagi be tuned to use a hairpin matching system?
What is the equivalent lumped-constant network for a hairpin matching system of a 3-element Yagi?
What term best describes the interactions at the load end of a mismatched transmission line?
Which of the following measurements is characteristic of a mismatched transmission line?
Which of these matching systems is an effective method of connecting a 50 ohm coaxial cable feed line to a grounded tower so it can be used as a vertical antenna?
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 an effective way of matching a feed line to a VHF or UHF antenna when the impedances of both the antenna and feed line are unknown?
What is the primary purpose of a phasing line when used with an antenna having multiple driven elements?
What is a use for a Wilkinson divider?