1
GATE ECE 2023
MCQ (Single Correct Answer)
+2
-0.67

The $$\mathrm{{{{V_{OUT}}} \over {{V_{IN}}}}}$$ of the circuit shown below is

GATE ECE 2023 Analog Circuits - Operational Amplifier Question 4 English

A
$$ - {{{R_4}} \over {{R_3}}}$$
B
$${{{R_4}} \over {{R_3}}}$$
C
$$1 + {{{R_4}} \over {{R_3}}}$$
D
$$1 - {{{R_4}} \over {{R_3}}}$$
2
GATE ECE 2023
MCQ (Single Correct Answer)
+2
-0.67

In the circuit shown below, D$$_1$$ and D$$_2$$ are silicon diodes with cut-in voltage of 0.7 V. $$\mathrm{V_{IN}}$$ and $$\mathrm{V_{OUT}}$$ are input and output voltages in volts. The transfer characteristic is

GATE ECE 2023 Analog Circuits - Diodes Question 3 English

A
GATE ECE 2023 Analog Circuits - Diodes Question 3 English Option 1
B
GATE ECE 2023 Analog Circuits - Diodes Question 3 English Option 2
C
GATE ECE 2023 Analog Circuits - Diodes Question 3 English Option 3
D
GATE ECE 2023 Analog Circuits - Diodes Question 3 English Option 4
3
GATE ECE 2023
Numerical
+2
-0.67

A sample and hold circuit is implemented using a resistive switch and a capacitor with a time constant of 1 $$\mu$$s. The time for the sampling switch to stay closed to charge a capacitor adequately to a full scale voltage of 1 V with 12-bit accuracy is ___________ $$\mu$$s (rounded off to two decimal places).

Your input ____
4
GATE ECE 2023
MCQ (More than One Correct Answer)
+1
-0.33

For a real signal, which of the following is/are valid power spectral density/densities?

A
$${S_x}(\omega ) = {2 \over {9 + {\omega ^2}}}$$
B
$${S_x}(\omega ) = {e^{ - {\omega ^2}}}{\cos ^2}\omega $$
C
GATE ECE 2023 Communications - Random Signals and Noise Question 5 English Option 3
D
GATE ECE 2023 Communications - Random Signals and Noise Question 5 English Option 4
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