GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 760 - 763 of 1076

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Question 760

Boolean Algebra, Minimization of Functions

Appeared in Year: 2014 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (December)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

(i)

Tristate

(B)

Controlled inverter

(ii)

XOR

(C)

ECL

(iii)

Bipolar logic

(D)

High impedance state

(iv)

Non-saturation logic

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (iv)
  • (ii)
  • (iii)
  • (i)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

Question 761

Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

In successive approximation converter input to the comparator is through (December)

Choices

Choice (4)Response

a.

Latch

b.

DAC

c.

Flip-flop

d.

Sample and hold circuit

Question 762

SNR and BER for Digital Modulation

Appeared in Year: 2014 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

The most commonly used amplifier in S/H circuit is unity gain NINV amplifier. (December)

Reason(Ꭱ)

At the sampling state signal building is not desired.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question 763

Clipping, Clamping and Rectifiers

Appeared in Year: 2014 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (December)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Phase shift oscillator

(i)

Decrease of O/P impedance

(B)

Constant current source differential amplifier

(ii)

O/P voltage attenuated by a factor

(C)

PLL

(iii)

FSK decoder

(D)

Voltage shunt negative feedback

(iv)

Increase of CMRR

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (iv)
  • (ii)
  • (iii)
  • (i)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (ii)
  • (iv)
  • (iii)
  • (i)

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