Question: The binary sequence 11100101 is applied to and ASK modulator. The bit duration is 1s and the sinusoidal carrier wave used to represent symbol 1

The binary sequence 11100101 is applied to and ASK modulator. The bit duration is 1μs and the sinusoidal carrier wave used to represent symbol 1 has a frequency equal to 7MHz.

a. Find the transmission bandwidth of the transmitted signal.

b. Plot the waveform of the transmitted ASK signal.

Assume that the line encoder and the carrier-wave oscillator are controlled by a common clock.

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