GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 172 - 176 of 1076

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Passage

In the following transistor circuit, and and all the capacitances are very large

The Circuit Consists of Transistor, Capacitors and Resistors

Question 172 (1 of 2 Based on Passage)

Appeared in Year: 2008

Question

MCQ▾

The value of DC current is

Choices

Choice (4)Response

a.

10 mA

b.

1 mA

c.

5 mA

d.

2 mA

Question 173 (2 of 2 Based on Passage)

Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2008

Question

MCQ▾

The mid-band voltage gain of the amplifier is approximately

Choices

Choice (4)Response

a.

- 90

b.

- 120

c.

- 180

d.

- 60

Question 174

Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2013

Question

MCQ▾

The ac schematic of an NMOS common-source state is shown in the figure below, where part of the biasing circuits has been omitted for simplicity. For the n -channel MOSFET M, the transconductance = 1 mA/V, and body effect and channel length modulation effect are to be neglected. The lower cut-off frequency in HZ of the circuit is approximately at

Voltage Feedback with Input and Output

Choices

Choice (4)Response

a.

200

b.

50

c.

32

d.

8

Question 175

Appeared in Year: 2008

Question

MCQ▾

For the circuit shown in the following figure, transistor and are identic NMOS transistors. Assume the is in saturation and the output is unloaded.

The Circuit of 2 NMOS Transistors with Its Output is Unloaded

The current is related to as

Choices

Choice (4)Response

a.

b.

c.

d.

Question 176

Appeared in Year: 2011

Question

MCQ▾

In the circuit below, for the MOS transistors. and the threshold voltage . The voltage at the source of the upper transistor is

The Figure Has Two MOSFETS in Series

Choices

Choice (4)Response

a.

3.67 V

b.

1 V

c.

3 V

d.

2 V

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