ECE :: Exam Questions Paper
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At room temperature, a possible value for the mobility of electrons in the inversion layer of a silicon n-channel MOSFET is
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A series R-C circuit with R = 3 Ω and XC = 4 Ω at 50 Hz is supplied with a voltage V = 50 + 141.4 sin 314 t. What is the RMS value of the current flowing through the circuit?
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The amplitude of a random signal uniformly distributed between - 5 V and 5 V
If the signal to quantization noise ratio required in uniformly quantizing the signal is 4.5dB, the step size of the quantization is approximately -
In TV transmission the modulation schemes for video and audio are respectively
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Consider the differential amplifier shown in figure. (Assume β is very high).
VC = -
The output of a Mealy system is 1 if there has been a pattern of 11000, otherwise 0. The minimum state for this system is :
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The property not valid for basic singularity function is
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