Rajiv Gandhi Proudyogiki Vishwavidyalaya 2010-5th Sem B.E Electrical and Electronics Engineering R.g.p.v i - Question Paper

Total No.of Questions: 10

Roll No. .............

EX-405(N)

B.E.(Fourth Semester) EXAMINATION,June, 2010
(New Scheme)
(Electrical & Electronics Engg. Branch)

ELECTRONIC DEVICES AND CIRCUITS - II
[EX -405(N)]
Time : 3 Hours
Maximum Marks : 100
Minimum Pass Marks : 35

Note : Attempt 1 ques. from every unit.All ques. carry equal marks.

Unit-I

1. (a) explain the design aspects of monolithic op-amps.

(b) Explane the working principle of Astable multivibrator using op-amp.

Or

2. (a) explain the frequency compensation techniques.

(b) Explane the working principle of logarithmic amplifier.

Unit-II

3. (a) elaborate active filters ? Explane the principle of working of HPF.

(b) Explane the working principle of Bistable multivibrator using 555 timer.

Or

4. (a) discuss the working of 556 IC as function generator.

(b) Explane the principle of working of PLL IC.

Unit-III

5. (a) Explane the working of ribbon kind microphones.

(b) Explane the working of multiway speaker system.

Or

6. (a) Explane the cross over network and their frequency characteristics.

(b) explain the disk and crystal recording technique.

Unit-IV

7. (a) Explane the working principle of Klystron amplifier.

(b) Explane the working of backward wave oscillator.

Or

8. (a) write short note on subsequent :
(i) IMPATT
(ii)LASER

Unit-V

9. (a) Explane the working of NAND gate using DTL logic family.

(b) Explane the use of FET as a switch.

Or

10.(a) explain the characteristic of TTL with Schottkey devices.

(b) Explane the transfer characteristic of CMOS logic gates.



EX-405(N) 5720

Earning:   Approval pending.