op-amp circuits. filters. single stage amplifier circuits.
Mixed Signal Interview Questions
278 mixed signal interview questions shared by candidates
Can you give a brief introduction about the structure of the NMOS ?
What was your contribution to this project? Explain how the project works.
Started with combinational and sequential circuits. D flip flop Thesis related questions RC low pass filter. Metastability. Difference between system verilog And UVM
Indepth physics and electronics concepts of MOSFETs, the models to explain behaviour, VI characteristics was asked. Basics about designing logics using gates and high level muxes also asked
Strong arm latch. Describe output waveform from the initial phase to the final state
R-RC-R circuit. What is the step response?
Digital timing, logic design. Analog filters, amplifiers, board design.
Basic analog/mixed-signal circuit design concepts
What is MDAC gain in 2.5bit-per-stage in pipelined ADC? I understood the answer after the interview... In the continuous-time sigma-delta modulator, can the gain-boosting amplifier be designed with a lower bandwidth? This is really hard to understand for new college grads if you don't have experience in designing that... Why is the intrinsic gain of BJT is higher than that of MOSFET? You need to review that the p-substrate in NMOS is lightly doped and and therefore more sensitive to reverse bias, and this is also where channel length modulation comes into the picture. Some of the circuit problems are really novel and I have to come up with new techniques to analyze it.
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