Ansys Software Private Limited Applications Engineer Interview Questions, Process, and Tips

Digital, RC RL circuits, Python, STA

Q1. MOSFET Working, Elmore delay model
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Q2. STA, Switched Capacitor
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Q1. General Questions
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Q2. Projects related qu
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Q1. Proof of Regions of operations of Mosfets in CMOS inverter.
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The regions of operation of MOSFETs in a CMOS inverter are cutoff, triode, and saturation.
• MOSFET operates in cutoff region when Vgs < Vth

• MOSFET operates in triode region when Vgs > Vth and Vds < Vgs - Vth

• MOSFET operates in saturation region when Vgs > Vth and Vds > Vgs - Vth

• CMOS inverter uses both NMOS and PMOS transistors to achieve high noise immunity and low power consumption
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Q1. Explain the power leakage and dynamic power in CMOS circuits.
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Power leakage is the power dissipated in CMOS circuits when transistors are in off state, while dynamic power is the power dissipated during switching.
• Power leakage occurs due to subthreshold leakage currents in transistors when they are in off state

• Dynamic power is the power dissipated during charging and discharging of capacitive loads in CMOS circuits

• Power leakage increases with decreasing transistor size, while dyn...read more
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Q1. Tell me about your family background
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I come from a close-knit family with a diverse background, including engineers, teachers, and entrepreneurs.
• My father is an electrical engineer and my mother is a high school teacher.

• I have a younger sister who is studying business in college.

• My grandparents were entrepreneurs and owned a small business in our hometown.

• Family gatherings are always filled with lively discussions about technology, education, and business
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Q1. Mostly heat tranger based, conduction, convection.
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Q2. Coding based question on python list and slicing operation.
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Q1. Cfd based question.
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Q2. Python coding based questions.
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Q1. What is Acceleration?
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Acceleration is the rate of change of velocity of an object with respect to time.
• Acceleration is a vector quantity, meaning it has both magnitude and direction.

• It is measured in meters per second squared (m/s^2).

• Acceleration can be positive (speeding up), negative (slowing down), or zero (constant speed).

• Examples of acceleration include a car accelerating from a stop sign, a roller coaster going down a hill, and a rock
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Q2. Rate of change of velocity.
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Rate of change of velocity is known as acceleration.
• Acceleration is the derivative of velocity with respect to time.

• It is measured in meters per second squared (m/s^2).

• Positive acceleration means speeding up, negative acceleration means slowing down.

• Examples of acceleration include a car accelerating from a stop sign or a roller coaster going down a hill.
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