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GATE Electronics & Communication · Digital Modulation · 2006-2021
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All concepts →2021 PYQ
A 4 kHz sinusoidal message signal having amplitude 4 V is fed to a delta modulator (DM) operating at a sampling rate of 32 kHz . The minimum step size required to avoid slope overl...
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2009 PYQ
The amplitude of random signal is uniformly distributed between $$-$$5V and 5V If the signal to quantization noise ratio required in uniformly quantizing the signals is 43.5 dB, th...
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2007 PYQ
In delta modulation, the slope overload distortion can be reduced by
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2006 PYQ
The minimum step-size required for a Delta-Modulator operating at 32 K samples/sec to track the signal (here u(t) is the unit-step function) x(t) = 125t(u(t) - u (t - 1) + (250 - 1...
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