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part c wasnt answered Question 2 (25 Marks) Consider the following analog waveform that is to...
Communication System Solve with ALL steps Please QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
QUESTION 3 (25 MARKS) Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission (C01: P01 - 4 marks) b Sampling, quantization and coding are the three processes used to represent an analog signal in digital form. Considering an input signal into an 8-bit Pulse Code Modulation (PCM) system is a 20 Vpp 50-Hz, answer the followings: i. Using appropriate diagram briefly describe TWO (2) basic methods to perform the sampling function. (CO2: PO2 - 2 marks) Determine the...