A signal is band-limited to 3.6 kHz and three other signals are band-l – McqOptions

MCQOPTIONS

1.	A signal is band-limited to 3.6 kHz and three other signals are band-limited to 1.2 kHz each. These signals are to be transmitted by means of time-division multiplexing. If each signal is sampled at its Nyquist rate, then the speed of the commutator (by assuming 6 samples per rotation) is
A.	864000 r.p.m.
B.	144000 r.p.m.
C.	86400 r.p.m.
D.	14400 r.p.m.
Answer» E.

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