DRDO INTERVIEW - 29 NOV 2007 - DELHI
Date of interview: 29-11-2007
Venue: RAC DRDO Complex Delhi
Interviewing team consist 5 members, they are from DRDO and faculty of NIT IIT age of members is between 35 to 65.
Interview duration : 30 minutes
Q1. what are you doing now ?
Q2. if MTech, name of college and GATE score?
Q3. if you select then will you leave MTech ?
Q1. what is area of interest ?
---then they are laughing on this subject because most of candidate have same area of interest.
Q2. make a ckt of inversting opamp ?
Q3. find out gain of it with Rf=100k and R1 =1K?
ans = -100
Q4. then they modify same ckt then find out gain.
--then one member said u r studing vlsi I said yes
then the asked Question
Q5. what is Epitaxial layer ?
Q6. what is the differnce between the Ion implantatiion and other method of the diffusion.
then other member asked:
Q7. what is your final yaer project ?
i dont have project report then they ask for draw ckt daigram or block daigram and explain through it this is the most important part of the intreview ---- then other member
Q8. what is mass action law?
Q9. what is transition caapaciitance in the pn diode,
Q10. what is relation between the depletion region length and transition capacitance.
Q11. what is diffence between Radar antenna and other simple antenna .--- other member
One meber asked me, have you studied ddigital in your degree course, i said yes, then he have a digital circuit consiist of counter, he said find the output of it, that ckt is seen first time by me in my life. I tried to solve... at last he said ok go. in digital questions are from counter design and interview consist of basic question of the subbject and good knowledge of the project and area of the interest.
Observation by me there :-
# PHD, MTECH degree is advantage
# any experiance is Advantage
# good GATE score is advantge.
# any paper publication is advanatgee.
# if you are from NIT Govt. college instead of the private colleges is advantage.
# sometime they laugh on your answer, this is part of interview, dont get nervous by this.
# interiew is easy study 3-4 subject before interview and revise project throughly.
# luck have major role in the interview.
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