Analog Devices Senior Design Engineer Interview Questions and Answers

Code for constraints
Code for driver

Q1. Electronic related questions were asked PCB related
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Basics appt ...
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case study
basic maths

Q1. Digital design VLSI fabrication question STA
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Q1. Simple behavioral talk
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Q1. Design exor,nand using 2:1 mux Design d latch using 2:1 mux Design frequency divide by 3 circuit
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Design exor, nand and d latch using 2:1 mux and frequency divide by 3 circuit
• For exor using 2:1 mux, connect one input to select line and other to output of nand gate using 2:1 mux

• For nand using 2:1 mux, connect one input to select line and other to inverted output of and gate using 2:1 mux

• For d latch using 2:1 mux, connect data input to select line and connect inverted output to one input and output to other input

• For ...read more
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Questions covering various aspects

Q1. Design a mood 3 counter
Ans. 
A mood 3 counter is a device that tracks and displays the user's mood on a scale of 1-3.
• Design a simple interface with 3 buttons for the user to input their mood (happy, neutral, sad)

• Include a display screen to show the current mood level

• Implement a reset button to clear the mood counter

• Consider adding a visual indicator such as colored LEDs for each mood level
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Q2. What are the three states
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The three states refer to the three fundamental states of matter: solid, liquid, and gas.
• Solid: particles are closely packed together and have a fixed shape and volume (e.g. ice)

• Liquid: particles are close together but can move past each other, taking the shape of their container (e.g. water)

• Gas: particles are far apart and move freely, filling the entire space of their container (e.g. air)
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Q1. Tell me about yourself
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I am a passionate and experienced Design Engineer with a strong background in mechanical engineering.
• Graduated with a degree in Mechanical Engineering from XYZ University

• Worked for 5 years at ABC Company designing innovative products

• Proficient in CAD software such as SolidWorks and AutoCAD

• Strong problem-solving skills and attention to detail

• Passionate about staying updated on the latest design trends and technologies
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Q1. Past experience
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Q1. IV characterstics of CMOS inverter
Ans. 
IV characteristics of CMOS inverter show the relationship between input voltage and output current.
• CMOS inverter has two transistors - NMOS and PMOS connected in series.

• For low input voltage, NMOS is ON and PMOS is OFF, resulting in low output voltage.

• For high input voltage, NMOS is OFF and PMOS is ON, resulting in high output voltage.

• The transition between low and high output voltage occurs at the threshold voltage.

• Th...read more
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Q2. Set up and hold time explain
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Set up time and hold time are timing requirements in digital circuits to ensure proper operation.
• Set up time is the minimum time before the clock edge that the input signal must be stable.

• Hold time is the minimum time after the clock edge that the input signal must be maintained stable.

• Violating set up time can lead to incorrect data being latched.

• Violating hold time can lead to metastability issues.

• Examples: In a flip...read more
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