G9C11 (A)
What is a beta or hairpin match?
A. A shorted transmission line stub placed at the feed point of a Yagi antenna to provide impedance matching
B. A 1/4 wavelength section of 75-ohm coax in series with the feed point of a Yagi to provide impedance matching
C. A series capacitor selected to cancel the inductive reactance of a folded dipole antenna
D. A section of 300-ohm twin-lead transmission line used to match a folded dipole antenna
