- Placement Paper

Paper Content :

TECHNICAL (100M)

ENG +APTI+REASONING (100M)

1.Ghost interference in TV is Due to?

2. which of the following frequency is not used in TV Broad cast ?

3. % of R,G,B in TV ?

4.one problem on self bias circuit?

5.four question on logic gate ?

6. hexadecimal to decimal conversion?

7.maximum &minimum voltages in TTL circuit ?

8. fanout of TTL circuit ?

9.if VSWR is 1, then |L|=?

10.for maximum power transfer theorem |ZL|=?

11.one question on capacitor filter, rectifier circuit ?

12. three questions on fourier transform ?

13. maximum efficiency achieved in class-A transformer fed power amplifier

14. one question on polar plot ?

15.one question on bode plot?

16. four questions on measurements ?

17.In DSB-SC ,demodulation quadrature null effect occurs when θ=?

18.which of the following is generation of SSB-SC ..........

19.formula for power of FM modulated signal ........

20.n-type semiconductor formed due to si is doped with arsenic

21. 1 byte is equal to 8-bits

22. group of 4-bits used in nibble

23. number of address lines required for 4096x12 ROM..........

24.volatile memory ..........

a) SRAM b)DRAM c)ROM

25.Tachometer is used to measure SPEED

26. the value of K for CLTF ,unconditionally stable

T.F=ks/(s+1)(s2+s+1)

27.determine the centroid for above CLTF?

28.determine the angle of asymptotes ?

29.Hays bridge is used when Q is ?

a) Q<10 b)Q>10 c) 1
30. formula for skin depth is ?

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