E9: Antennas and Transmission Lines
Basic antenna parameters, antenna patters, wire and phased array antennas, directional antennas, matching, transmission lines, smith charts, receiving antennas.
8 Topics
113 Questions in this pool
8 Questions from these topics will be on your exam
E9A: Basic Antenna Parameters
Basic Antenna parameters: radiation resistance, gain, beamwidth, efficiency, beamwidth; effective radiated power, polarization.
18 Questions in this topic
1 Question on your exam
E9B: Antenna Patterns
Antenna patterns: E and H plane patterns; gain as a function of pattern; antenna design.
16 Questions in this topic
1 Question on your exam
E9C: Wire and Phased Array Antennas
Wire and phased array antennas: rhombic antennas; effects of ground reflections; e-off angles; Practical wire antennas: Zepps, OCFD, loops.
15 Questions in this topic
1 Question on your exam
E9D: Directional Antennas
Directional antennas: gain; Yagi Antennas; losses; SWR bandwidth; antenna efficiency; shortened and mobile antennas; RF Grounding.
13 Questions in this topic
1 Question on your exam
E9E: Matching
Matching: matching antennas to feed lines; phasing lines; power dividers.
13 Questions in this topic
1 Question on your exam
E9F: Transmission Lines
Transmission lines: characteristics of open and shorted feed lines; 1/8 wavelength; 1/4 wavelength; 1/2 wavelength; feed lines: coax versus open-wire; velocity factor; electrical length; coaxial cable dielectrics; velocity factor.
16 Questions in this topic
1 Question on your exam
E9H: Receiving Antennas
Receiving Antennas: radio direction finding antennas; Beverage Antennas; specialized receiving antennas; longwire receiving antennas.
11 Questions in this topic
1 Question on your exam