Hi Folks,
Today i have update the interview questions asked for HARDWARE engineer at DATA PATTERN (INDUS TEQSITE) and most frequently asked
TOPICS are as follows:-
- Linear Intergrated
circuits(BJT,FET,MOSFET,IGBT,OP-Amp)
- Digital Circuits
- Circuit Theory(network theorems)
Some of the Important questions are as follows:-
1. Explain TTL , ECL, COMS and various logic
2. Differential single ended and differential signal.
3. Setup Time, Hold time, rise timer, fall time.
4. Draw RC circuit with some time?
5. Simplify the logic using the K Map.
6. Define jitter.
7. Draw the truth table of RS flip flop, D Flip flop, T FF, JK FF8. Advantages of JK FF
9. Difference between JK and Master JK FF.
10. Draw the ring counter.
11. Define Maley machine and Moore machine.
12. Define types of memory.
13. Compare sequential and combinational circuit.
14. Draw full added and half adder.
15. Draw all the gates.
16. Define serial communication.
17. Difference between RS232, RS422 and RS485?
18. Define Baud rate.
19. Write the equation for baud rate.
20. Define serial communication and parallel communication advantages and disadvantages.
21. Define Ideal Op-amp Characteristics.
22. Define input Offset voltage, output offset voltage, Input bias current, input offset current.
23. Define Gain Bandwidth product.
24. Define CMRR.
25. Draw any circuit based Op-amp.
26. Write the inverting amplifier and non inverting amplifier equation.
27. Define analog buffer
28. Draw the voltage follower and write the output equation of voltage follower
29. define virtual ground
30. Define power supply rejection ratio.
31. What are the noise sources in Op-amp?
32. Draw filters circuit (First order, second order).ADC, DAC
33. Define ADC, DAC and their types.
34. Draw the ADC, DAC Circuit.
35. What are the sources of noise in ADC, DAC?
36. What is the purpose of reference voltage in ADC, DAC?
37. Define Resolution and Accuracy.
38. Define linearity error, non linearity error and quantization error?
39. What do you mean by sampling?.
40. Define Nyquist theory Digital
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