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ESE EC 2018 Achiever Study Plan: Analog Circuits Quiz 1
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Question 1
Assertion (A): Majority of the carrier telephone systems use TDM.
Reason (R): A TDM system has the capability of achieving a much higher S/N ratio.
Reason (R): A TDM system has the capability of achieving a much higher S/N ratio.
Question 2
Output data ratio of a 8-bit PCM-TDM system sampling 24 voice channels, comparing these using μ-law at the rate of 8 kHz and with a I frame alignment word, is
Question 3
A signal is passed through a LPF with cut-off frequency 10 kHz. The minimum sampling frequency is
Question 4
Assertion (A): In the FM receiver discriminator, both the sum of the voltage and ratios of the voltages and ratios of the voltages are independent frequency.
Reason (R): The diodes face the same direction and the discrimininator requires a limiter to reject amplitude changes of the carrier voltage.
Reason (R): The diodes face the same direction and the discrimininator requires a limiter to reject amplitude changes of the carrier voltage.
Question 5
In an AM system, for satisfactory operation carrier frequency must be n times the bandwidth of message signal. What is the value of n?
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