GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 522 - 527 of 1076

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Question 522

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Semiconductor materials are made up of

Choices

Choice (4)Response

a.

Vander Waal՚s bond

b.

Ionic bond

c.

Covalent bond

d.

Metallic bond

Question 523

Timing and Frequency Synchronization

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

To separate channels in an FDM receiver, it is necessary to use

Choices

Choice (4)Response

a.

AND gates

b.

Integration

c.

Band pass filter

d.

Differentiation

Question 524

Photolithography and Twin-Tub CMOS Process

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following steps:

1. Etching

2. Exposure to UV radiation

3. Stripping

4. Developing

After a wafer has been coated with photo-resist, the correct sequence of these steps in photolithography is

Choices

Choice (4)Response

a.

1,4, 2,3

b.

2,1, 3,4

c.

1,3, 2,4

d.

2,4, 1,3

Question 525

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

CMRR (Common Mode Rejection Ratio) for a differential amplifier should be

Choices

Choice (4)Response

a.

Small

b.

Large

c.

Zero

d.

Unity

Question 526

Timing and Frequency Synchronization

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

In Half Duplex (HDX) , data transmission is possible

Choices

Choice (4)Response

a.

In both direction, but not at the same time

b.

In one direction

c.

In both direction

d.

In both direction simultaneously

Question 527

Criterion for Oscillation, Single-Transistor and Opamp Configurations

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Hartley oscillator is commonly used in

Choices

Choice (4)Response

a.

Microwave transmitters

b.

Radio receivers

c.

TV receivers

d.

Radio transmitters

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