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Sampling frequency of a signal is 6 KHz and is quantized using 7 bit quantizer. Find its bit rate?

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Sampling frequency of a signal is 6 KHz and is quantized using 7 bit quantizer. Find its bit rate?

(a) 48kbPs

(b) 64kbPs

(c) 16kbPs

(d) 8kbPs

I got this question in an interview for job.

I need to ask this question from Power Calculation in section Amplitude Modulation of Analog Communications

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Right choice is (a) 48kbPs

For explanation I would say: Bit rate refers to the rate at which data is processed or transferred. It is usually measured in seconds, ranging from bps for smaller values to kbps and mbps.

Bit rate is also known as bitrate or data rate.

Bit rate, Rb = ^1⁄Tb  where  where n = number of bits and fs = Sampling Frequency

Tb = 1/42, therefore Bit rate = 42 Kbps.

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