GATE ECE 2001 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

In the figure assume the Op-Amps to be ideal. The output V₀ of the circuit is GATE ECE 2001 Analog Circuits - Operational Amplifier Question 54 English

GATE ECE 2001 Analog Circuits - Operational Amplifier Question 54 English

10 $$\cos $$ (100 t)

10 $$\int\limits_0^t {\cos \,\,\left( {100\tau } \right)} \,\,d\tau $$ v

$${10^{ - 4}}\int\limits_0^t {\cos \,\,\left( {100\tau } \right)} \,\,d\tau $$

$${10^{ - 4}}{d \over {dt}}\cos \left( {100t} \right)$$

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

An Amplifier using an Op-Amp with a Slew-Rate SR = V/$$\mu $$sec, has a gain of 40 dB. If this amplifier has to faith fully amplify sinsoidal signals from dc to 20 KHz. Without introducing any Slew Rate induced distortion, then the input signal level must not exceed.

795 mV

395 mV

79.5 mV

39.5 mV

GATE ECE 2001

MCQ (Single Correct Answer)

-0.3

The PDF of a Gaussian random variable X is given by $${p_x}(x) = \,{1 \over {3\sqrt {2\pi } }}\,\exp \,[ - \,{(x - 4)^2}/18]$$.

The probability of the event {X = 4} is

1/2

$$1/\left( {3\sqrt {2\,\pi } } \right)$$

1/4

GATE ECE 2001

MCQ (Single Correct Answer)

-0.3

A band limited signal is sampled at the Nyquist rate. The signal can be recovered by passing the samples through

an RC filter

an envelope detector

a PLL

an ideal low-pass filter with the appropriate bandwidth

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