1. Determine the Nyquist sample rate for a maximum analog input frequency of: (a

Question

1. Determine the Nyquist sample rate for a maximum analog input frequency of:

(a) 4 KHz
(b) 10 KHz








2. Determine the dynamic range for a 10-bit sign-magnitude PCM code.











3. Determine the minimum number of bits required in a PCM code for a dynamic range of 80 dB. What is the coding efficiency?















4. For a resolution of 0.04 V, determine the voltages for the following linear seven- bit sign magnitude PCM codes.


(a) 1 0 0 1 0 1 1

(b) 0 1 0 1 1 0 1




















5. Determine the resolution and quantization error for an eight-bit linear sign magnitude PCM code for a maximum decoded voltage of 1.27 V.


















6. For a 12-bit linear PCM code with a resolution of 0.02 V, determine the voltage range that would be converted to the following PCM codes.



(a) 1 0 0 0 0 0 0 0 0 0 0 1
(b) 0 0 0 0 0 0 0 0 0 0 0 0
(c) 1 1 0 0 0 0 0 0 0 0 0 0
(d) 0 1 0 0 0 0 0 0 0 0 0 0
(e) 1 0 0 1 0 0 0 0 0 0 0 1
(f) 1 0 1 0 1 0 1 0 1 0 1 0


































7. A

Explanation / Answer

post them separately 1st question answer is a). 8KHz b). 20KHz it has to be atleast double the highest order frequency component

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