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

Topic E8A
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

Topic E8B
E8C: Digital Signals

Digital signals: digital communication modes; information rate vs bandwidth; error correction.

11 Questions in this topic
1 Question on your exam

Topic E8C
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

Topic E8D