Many of you might have worked on different VLSI technology nodes such as 180 nm, 90 nm, 45 nm etc. in circuit simulation tools like Cadence etc. With the invention and evolution of transistors, various technologies came into existence and…
Author: Gautam
Qualcomm Interview Question Bank – Part 4
Qualcomm Interview Question Bank continued from Part 3… Q : What is race-around condition? What is the solution for it? A : In JK flip-flop, when both J and K are 1, the state (output) of the flip-flop will oscillate…
Qualcomm Interview Question Bank – Part 3
Qualcomm Interview Question Bank continued from Part 2… Q : What is the difference between latch and flip-flop? A : The main differences between latch and flip-flop can be understood here. Q : What is the Nyquist rate condition and condition…
Qualcomm Interview Question Bank – Part 2
Qualcomm Interview Question Bank continued from Part 1… Q : Draw the circuit diagram for a random number generator. A : Following are the circuits for a random number generator (RNG), (i) using IC 555 timer, IC 4026 and 7-segment,…
Qualcomm Interview Question Bank – Part 1
In the campus placement season, it is better if we get company specific questions to prepare for the selection process. So, to help you out, we have already posted Question Banks for some core ECE companies and now, let us…
Bharat Electronics Limited (BEL) Question Bank – Part 5
Bharat Electronics Limited (BEL) Question Bank continued from Part 4… Q-29. If the gain of the amplifier is A and voltage feedback is fraction B of the amplifier output voltage, what will be the condition for maintenance of oscillation? A :…
Bharat Electronics Limited (BEL) Question Bank – Part 4
Bharat Electronics Limited (BEL) Question Bank continued from Part 3… Q-20. State a way to improve SNR at the input of an amplifier. A : Signal to Noise Ratio (SNR) at the input of an amplifier can be improved by decreasing…
Bharat Electronics Limited (BEL) Question Bank – Part 3
Bharat Electronics Limited (BEL) Question Bank continued from Part 2… Q-14. If bandwidth of an amplifier is decreased, what is the effect on thermal noise? A : On decreasing bandwidth, the thermal noise would also decrease. Q-15. What is a geostationary…
3D NAND – Innovative Fabrication Process by Micron
Micron is the second among the chip vendors to commercialize 3D NAND which is a unique and innovative approach to reduce the costs. The company has started its production of 32L (32 Layer) 3D NAND flash memory with its presence…
Bharat Electronics Limited (BEL) Question Bank – Part 2
Bharat Electronics Limited (BEL) Question Bank continued from Part 1… Q-7. What is Balun? A : Balun is a type of electrical transformer that is used to convert a balanced circuit (in which two signals are working against each other…