ECIL GET ECE

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ECIL written Test Examination Questions on June 10th 2012,Sunday with answers 

PAPER consists of 50 Technical questions mainly on Networks, Controls, Radars (PRF, max unamb range),analog electronics. 
Very few questions on communications, digital elec, signals.

1. Wave guide acts as ---(high pass filter)

2. Bolometer is used to measure --( microwave freq) --(not sure)

3. Routing occurs in which layer --( Network layer)

4.Beta radition emits ---

5.int p=5, q=6;
p=q;
q=p;
what are values of p and q (6,6)

6.What is steady state error of T/F of (1/1+st) for ramp i/p.

7.Given G(s) of unity feed back ,Geta value ,find frequency (Wn)

8.Which diode has a Metal junction ( schotky diode)

9.Major disadvantage of FM...

a) Complex circuitry b) LOS c) interchannel interference..

10.for jfet to operate in linear mode ..Vgs is 
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a) forward biased 
b) reverse biased 
c) no bias 
d) either forward or reverse

11. GIVEN ENDING ADDRESS for 8 KB MEMORY. FIND STARTING LOCATION

12.Find figure of merit , given SNR(I/P) &SNR(O/P)

13.2 problems on PRF (radars)

14. Simple problem on zener diode

15. 2 simple problems in networks

16. Find laplace transform of coswt.

17. Number of 8kb memories required for 12bit address line and 4 bit data line
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18.problem on suceesive approx ADC 

19. Problem on Resolution in ADC
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20.Noise margin expression ,,,interms of Vih, Voh, Vol

21.2 simple problems on op amps

22. Find reflection coefficient given Zl & Z0

23.when you multiply Two numbers which are of 2's complement .. what will be range ( 0 to 255) --(not sure of answer)

24.Light propagation in optical fiber uses total internal reflection
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