GATE ECE 2018 Paper 1 — page 18

Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.

The figure below shows the Bode magnitude and phase plots of a stable transfer function

Diagram for Electronics and Communication Engineering question 42

Consider the negative unit feedback configuration with gain

in the feedback path. The closed loop is stable for

. The maximum value of

is ______.

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In the circuit shown below, the

value for M

is twice that for M

. The two nMOS transistors are otherwise identical. The threshold voltage

for both transistors is 1.0 V. Note that

for M

must be

Diagram for Electronics and Communication Engineering question 43

Current through the nMOS transistors can be modeled as

The voltage (in volts, accurate to two decimal places) at

is ______.

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A solar cell of area 1.0 cm

, operating at 1.0 sun intensity, has a short circuit current of 20 mA, and an open circuit voltage of 0.65 V. Assuming room temperature operation and thermal equivalent voltage of 26 mV, the open circuit voltage (in volts, correct to two decimal places) at 0.2 sun intensity is ______.

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2018 · Paper 1

Question 42

Question 43

Question 44