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Analysing spectrum anlyser output

A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates the following display:

A vertical line at -6 dBm at 0 Hz (DC),

A vertical line at a frequency of 10 kHz with a power level of -3.9 dBm,

A vertical line at a frequency of 30 kHz with a power level of -13.4 dBm,

Additional vertical lines at 50 kHz, 70 kHz with power levels at or below -18 dBm.

a. What sort of waveform do the individual lines in the frequency spectrum represent?

b. What sort of waveform does the input signal have?

c. Is the input signal periodic or non-periodic?

d. If the input waveform is periodic, what is its period?

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M9431642

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