A baseband signal has the spectrum sketched in the first image added below. The baseband signal modulates a 98 kHz carrier sine wave. Using frequency and amplitude labelling similar to that in Figure 2, sketch the spectrum of the modulated signal using a template added in image 2, for the following modulations: i-AM with the amplitude of the carrier wave being 20 V ii-DSBSC iii-SSB – the lower sideband iv-SSB – the upper sideband

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A baseband signal has the spectrum sketched in the first image added below.

The baseband signal modulates a 98 kHz carrier sine wave. Using frequency and amplitude labelling similar to that in Figure 2, sketch the spectrum of the modulated signal using a template added in image 2, for the following modulations:

i-AM with the amplitude of the carrier wave being 20 V

ii-DSBSC

iii-SSB – the lower sideband

iv-SSB – the upper sideband

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