E8: Signals and Emissions
AC Waveforms, modulation, demodulation, digital signals, keying defects, and overmodulation.
4 Topics
47 Questions in this pool
4 Questions from these topics will be on your exam
E8A: AC Waveforms
AC waveforms: sine, square, sawtooth and irregular waveforms; AC measurements; average and PEP of RF signals; Fourier analysis; Analog to digital conversion: Digital to Analog conversion.
13 Questions in this topic
1 Question on your exam
E8B: Modulation and Demodulation
Modulation and demodulation: modulation methods; modulation index and deviation ratio; frequency and time division multiplexing; Orthogonal Frequency Division Multiplexing.
11 Questions in this topic
1 Question on your exam
E8C: Digital Signals
Digital signals: digital communication modes; information rate vs bandwidth; error correction.
11 Questions in this topic
1 Question on your exam
E8D: Keying Defects and Overmodulation
Keying defects and overmodulation of digital signals; digital codes; spread spectrum.
12 Questions in this topic
1 Question on your exam