An analog signal is to be coded by an ADC. The signal contains significant frequencies up to 900Hz. If the system is operated at a bit rate of 180kbps and each input sample is quantized into 1024 levels, answer the following: a) What must be the minimum sampling frequency to avoid aliasing? samples/sec b) What is the Nyquist rate? c) What must be the number of bits per sample? kHz Hz bits d) If the sampling frequency is 10% above the Nyquist rate, what is the Nyquist frequency?

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An analog signal is to be coded by an ADC. The signal contains significant frequencies
up to 900Hz. If the system is operated at a bit rate of 180kbps and each input sample is
quantized into 1024 levels, answer the following:
a) What must be the minimum sampling frequency to avoid aliasing?
samples/sec
b) What is the Nyquist rate?
c) What must be the number of bits per sample?
kHz
Hz
bits
d) If the sampling frequency is 10% above the Nyquist rate, what is the Nyquist
frequency?
Transcribed Image Text:An analog signal is to be coded by an ADC. The signal contains significant frequencies up to 900Hz. If the system is operated at a bit rate of 180kbps and each input sample is quantized into 1024 levels, answer the following: a) What must be the minimum sampling frequency to avoid aliasing? samples/sec b) What is the Nyquist rate? c) What must be the number of bits per sample? kHz Hz bits d) If the sampling frequency is 10% above the Nyquist rate, what is the Nyquist frequency?
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