1
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
Four messages band limited to W, W, 2 W and 3 W respectively are to be multiplexed using Time Division Multiplexing (TDM). The minimum bandwidth required for transmission of this TDM signal is
2
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
A speech signal, band limited to 4 kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits.
Assuming the signal to be uniformly distributed between its peak values, the signal to noise ratio at the quantizer output is
3
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
A speech signal, band limited to 4 kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits.
If the bits 0 and 1 are transmitted using bipolar pulses, the minimum bandwidth required for distortion free transmission is
4
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In delta modulation, the slope overload distortion can be reduced by
GATE ECE Subjects
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General Aptitude
Network Theory
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Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
Electromagnetics
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Engineering Mathematics