Kurukshetra University 2009 B.Tech Electronics and Communications Engineering 09 ece engglinear ic applidations - exam paper

Roll NO. .............. Total Pages: two
8522

BT-5/D09
LINEAR IC APPLICATIONS
Paper: ECE-307(E)
Time: 3 Hours] [Maximum Marks: 100

NOTE: Attempt 5 ques. in all, selecting at lowest 1 ques. from every unit.

UNIT-I
1. (a) What is the meaning of CASCADE ? discuss cascade
amplifier with suitable diagram. What is level translator
circuit? seven

(b) Explain:
(i) Balanced output differential amplifier.
(ii) Unbalanced output differential amplifier.
(iii) FET differential amplifier. 13

2. discuss ideal Op-amp with suitable diagram. elaborate its
Characteristics parameters ? Draw equivalent circuits of
Op-amp and discuss its circuit configuration. 20


UNIT-II

3. (a) Show block diagram representation of feedback
amplifier and explain. 10

(b) explain why Open loop Op-amp is unsuitable for
linear IC applications. 10







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4. (a) What is Slew rate ? List its causes. 5

(b) discuss Circuit stability. 5

(c) Draw closed loop frequency response and explain. 5

(d) What is Non- compensating Op-amp? 5

UNIT-III

5. Explain the following:
(a) Scaling amplifier

(b) Peaking amplifier

(c) Differential amplifier

(d) Wave shaping amplifier 20

6. Describe voltage to current converter and current to voltage
Converter with suitable diagram. 20

UNIT-IV

7. What is PLL ? discuss basic building blocks of PLL.
explain its applications. 20

8. Write short notes on the subsequent :

(a) Power amplifier.

(b) Astable 555 timer.

(c) Universal active filter.

(d) 8038 IC. 20






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Earning:   Approval pending.