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24-25 EE1030 Communication Engineering
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Which of the following choices best describes the function of the filter given below?
Calculate the transfer function gain, | =20Hz, given
[Note: H(f) = 1 / 1+j(f / B) , B = 1 / 2πRC ]
A message signal with a peak voltage of 40 mV at a frequency of 600 Hz is applied to an FM generator circuit. If the circuit has frequency sensitivity, = 800 Hz /20mV, calculate the peak frequency deviation.
In a Frequency division Multiplexing system having four frequency bands, if the frequency bands are of 200 kHz bandwidth separated by 15kHz guard bands, calculate the minimum capacity of the communication channel.
Why is it important to know the peak deviation constant,
What is the significance of the frequency sensitivity factor,
Consider a signal that has its highest frequency component at 8,000 Hz. What is the minimum rate that the signal should be sampled by?
In envelope detection of an amplitude-modulated signal, what is the danger of making the lowpass filters’ cutoff frequency too high a value?
What is the method with which a baseband signal can be transported to RF frequencies?
How is normalised frequency defined?