Output SNR of a n bit PCM was found to be 30 dB, desired SNR is 42 dB. – McqOptions

MCQOPTIONS

1.	Output SNR of a n bit PCM was found to be 30 dB, desired SNR is 42 dB. To achieve desired SNR by increasing the number of quantization levels, then new levels will be
A.	128
B.	512
C.	2018
D.	1024
Answer» B. 512

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