Explain what sort of waveform does the input signal have

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Reference no: EM13139321

Analysing the output spectrum of a spectrum analyser

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 continuous spectrum that is completely filled so no lines are visible.

The spectrum has a sin X / X shape. The spectrum has maximum power spectral density at 0 Hz and falls to zero at 2 kHz, 4 kHz, 6 kHz and other even kHz frequencies.

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

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

c. If the input waveform is non-periodic, what is its pulse width?

d. If the spectrum suddenly changes to have zeroes at 5 kHz, 10 kHz, 15 kHz, etc, what is the new pulse width?

Reference no: EM13139321

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