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Sampling Theory and Pulse Modulation
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Avg score: 40% • Most missed: “Pulse time modulation (PTM) includes”
Sampling Theory and Pulse Modulation
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25 Questions

1. In Pulse Position Modulation, the drawbacks are
2. A low pass filter is
3. The sampling technique having the minimum noise interference is
4. An even function f(x) for all values of x and x holds
5. In Unit impulse function
6. The instantaneous sampling
7. Sine wave is a
8. A distorted signal of frequency fm is recovered from a sampled signal if the sampling frequency fs is
9. Types of analog pulse modulation systems are
10. In Pulse Position Modulation, the drawbacks are
11. In different types of Pulse Width Modulation,
12. Unit step function is
13. Pulse time modulation (PTM) includes
14. The desired signal of maximum frequency wm centered at frequency w=0 may be recovered if
15. The techniques used for sampling are
16. The spectrum of the sampled signal may be obtained without overlapping only if
17. Calculate the Nyquist rate for sampling when a continuous time signal is given by x(t) = 5 cos 100πt +10 cos 200πt – 15 cos 300πt
18. Unit step function is
19. For a Unit ramp function area of pulse curve is unity
20. The spectrum of the sampled signal may be obtained without overlapping only if
21. Drawback of using PAM method is
22. Drawback of using PAM method is
23. In pulse amplitude modulation,
24. The instantaneous sampling
25. In pulse width modulation,

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