Question: Q,/ (A) - A binary PAM wave is to be transmitted over a baseband channel with an absolute maximum bandwidth of 75 KHz. The bit

Q,/ (A) - A binary PAM wave is to be transmitted

Q,/ (A) - A binary PAM wave is to be transmitted over a baseband channel with an absolute maximum bandwidth of 75 KHz. The bit duration is 10 use. Determine a raised cosine spectrum (roll- off factor) that satisfies these requirement. (B) - What is quantization range? Quantization error? (C) - What are the four most common methods of pulse modulation? ***************************** Q:/ (C) - Determine the signal-to-quantization noise ratio in dB, if an audio signal with a bandwidth of 3.2 kHz is converted to PCM signal by sampling at 8 kilosamples/sec and with a data rate of 64 kbps. (A) - A binary PAM wave is to be transmitted over a baseband channel with an absolute maximum bandwidth of 75 KHz. The bit duration is 10 use. Determine a raised cosine spectrum (roll-off factor) that satisfies these requirement

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