Question: Amplitude and Frequency Shift Keying (20 pointsl. Consider the input signal with 3 levels shown below.v 1. -1 Assume we want to use 2sin (23t)

Amplitude and Frequency Shift Keying (20 pointsl. Consider the input signal

Amplitude and Frequency Shift Keying (20 pointsl. Consider the input signal with 3 levels shown below.v 1. -1 Assume we want to use 2sin (23t) as the carrier, and use the following amplitude shift keying (ASK) scheme: 3V level '1"; 2V level '0'; 1Vlevel -1. Please draw the resulting waveform after modulation. A. Assume we want to use 2sin (23t) as the carrier, and use the following frequency shift keying (FSK) scheme: 5Hzlevel '1"; 3 Hzlevel '0'; 1Hzlevel .1. Please draw the resulting waveform after modulation. B

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