GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 190 - 192 of 1076

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Passage

In the circuit shown, assume that the OP-AMP is ideal.

The Ideal Operational Amplifier Using BJT in the Feedback

Question 190 (3 of 3 Based on Passage)

Appeared in Year: 2001

Question

MCQ▾

Obtain an expression for in terms of and the reverse saturation current of the transistor.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 191

Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2005

Question

MCQ▾

In an ideal differential amplifier shown in the figure, a large value of

The Figure Consisting 2transistors with Different Voltagesource

Choices

Choice (4)Response

a.

Increase the common mode gain only.

b.

Decrease the common mode gain only.

c.

Decrease the differential mode gain only

d.

Increase both the differential and common-mode gains.

Question 192

Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2002

Question

MCQ▾

Three identical RC coupled transistor amplifier are cascaded. If each of the amplifiers has a frequency response as shown in the figure, the overall frequency response is as given in

The Frequency Response of an Identical RC Coupled Amplifier

Choices

Choice (4)Response

a.

The Frequency Response of Three Identical RC Coupled: Choice A

b.

The Frequency Response of Three Identical RC Coupled: Choice B

c.

The Frequency Response of Three Identical RC Coupled: Choice C

d.

The Frequency Response of Three Identical RC Coupled: Choice D

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