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(a) "Pulse Code Modulation (PCM), as used in telephony, samples a signal at 8 kHz using 256 quantization levels".
i. Outline how this scheme works with the help of sketches and, by reference to the Nyquist's Sampling Theorem, illustrate how the sampling rate was chosen.
ii. Determine the SNR in dB for the quantization error of this PCM setup.
iii. Determine the data rate achievable.
(b) Give three advantages that digital transmission has over analogue transmission.
(c) Explain three types of communication impairments that you are familiar with and, with reference to a standard communication model, state where the above-mentioned impairments generally occur.
Improving Joints and Connections - Energy Loss Improper joints are a source of energy loss in both overhead and underground systems. The conductivity of joint should not be le
hello... i want to design a 1 to 8 demux with 4bit inputs and output. but i dont know the architecture in gate level. please help me... in fact, i need the architecture in gate lev
The assignment comprises two parts, a CPLD Design Exercise and a CPLD Design Project. The CPLD Design Exercise will enable you to acquire competance in programmable logic design
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1. An analog information signal, whose maximum frequency is 6000Hz, is to be transmitted using a PCM system. The quantization error must not exceed the 1 % of the peak-to- peak an
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