Question Pool -- Category E4
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one of the ten category groups.
Select one of the following categories. You will be presented
questions at random. Return here when you are ready to try
another category.
- E4A
- Test equipment: spectrum analyzers (interpreting spectrum
analyzer displays; transmitter output spectrum); logic probes
(indications of high and low states in digital circuits; indications
of pulse conditions in digital circuits)
- E4B
- Frequency measurement devices (i.e., frequency counter,
oscilloscope Lissajous figures, dip meter); meter performance
limitations; oscilloscope performance limitations; frequency counter
performance limitations
- E4C
- Receiver performance characteristics (i.e., phase noise,
desensitization, capture effect, intercept point, noise floor, dynamic
range {blocking and IMD}, image rejection, MDS, signal-to-noise-
ratio); intermodulation and cross-modulation interference
- E4D
- Noise suppression: ignition noise; alternator noise (whine);
electronic motor noise; static; line noise
- E4E
- Component mounting techniques (i.e., surface, dead bug {raised},
circuit board); direction finding: techniques and equipment; fox
hunting
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