Four voice signals, each limited to 4 kHz and sampled at Nyquist rate, – McqOptions

MCQOPTIONS

1.	Four voice signals, each limited to 4 kHz and sampled at Nyquist rate, are converted into binary PCM signal using 256 quantization levels. The bit transmission rate for the time-division multiplexing signal will be
A.	8 kbps
B.	64 kbps
C.	256 kbps
D.	5126 kbps
Answer» D. 5126 kbps

Discussion

No Comment Found

Related MCQs

Half power bandwidth is also called ______
_______ is equal to width of main spectral lobe.
In digital communication system, in order to increase noise immunity, it is necessary to increase _________
The performance of modulation scheme is not measured in terms of __________
A desirable modulation scheme provides _________ bit error rates at __________ received signal to noise ratios.
Modern mobile communication systems use analog modulation techniques.
For a 10 bit PCM system the signal to quantization noise ratio is 62 dB. If the number of bits is increased by 2, then the signal to quantization noise ratio will
A 70 MHz carrier is QPSK modulated by a 1.544 Mbps T1 data stream. The transmitter employs a raised-cosine filter with α = 0.2. What is the transmitted bandwidth of the signal?
A 12-bit ADC has input signal range of ± 1 V. The signal to quantization noise ratio if a sine wave signal with 0.25 V peak voltage is given as input is:
In which modulation does the signal convert its analog information into a binary sequence, i.e., in 1s and 0s