Microchip Technology Product Engineer Interview Questions and Answers

Q1. Describe Setup, hold time
Ans. 
Setup time and hold time are timing constraints in digital circuits to ensure proper operation of flip-flops.
• Setup time is the minimum amount of time data must be stable before the clock edge for proper capture.

• Hold time is the minimum amount of time data must be stable after the clock edge for proper capture.

• Violating setup time can lead to metastability issues.

• Violating hold time can lead to data corruption.

• Example: ...read more
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Q2. Give an example for recursive function
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A recursive function is a function that calls itself within its definition.
• A classic example of a recursive function is the factorial function, where n! = n * (n-1)!

• Another example is the Fibonacci sequence, where each number is the sum of the two preceding ones.
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Q3. Describe JTAG functionality
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JTAG (Joint Test Action Group) is a standard for testing and debugging electronic devices.
• JTAG allows for testing and debugging of integrated circuits on a PCB

• It provides a way to access and control the pins of a device for testing purposes

• JTAG can be used for boundary scan testing to check for faults in PCB connections

• It is commonly used in manufacturing and development of electronic devices
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Q1. Post silicon validation, ATPG SCAN
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Codes. 3D convolution using 5x5x5 matrix

Q1. Questions was on image processing like color domains, histograms, canny edge detector etc
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Q2. Deep learning questions about CNN networks
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Q1. Os related questions
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Q2. Time complexity related questions
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Q1. OOPS Questions and implementation
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Q1. DSA questions...
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MCQ type exam to qualify for the technical interview.

Q1. What is Capacitor?
Ans. 
A capacitor is an electronic component that stores and releases electrical energy.
• A capacitor consists of two conductive plates separated by an insulating material called dielectric.

• It stores electrical energy in an electric field between the plates.

• Capacitors are commonly used in electronic circuits for energy storage, filtering, timing, and coupling.

• They can be found in various devices such as power supplies, amplifi...read more
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Q2. What is Power factor?
Ans. 
Power factor is a measure of how effectively electrical power is being used in a circuit.
• Power factor is the ratio of real power (kW) to apparent power (kVA) in an AC circuit.

• It indicates the efficiency of power usage and the presence of reactive power.

• A power factor of 1 indicates all power is being used effectively, while a power factor less than 1 indicates inefficiency.

• Inductive loads (e.g., motors) have lagging po...read more
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Q3. How the motor started works?
Ans. 
The motor starter is a device that starts and stops the motor by controlling the flow of electrical power.
• The motor starter consists of a contactor, overload relay, and control circuit.

• When the start button is pressed, the control circuit energizes the coil of the contactor, closing its contacts and allowing current to flow to the motor.

• The overload relay protects the motor from excessive current by sensing the current...read more
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Q4. Types of motor - specifically the capacitor start and run motors.
Ans. 
Capacitor start and run motors are types of motors commonly used in various applications.
• Capacitor start motors use a capacitor to provide high starting torque and are commonly used in appliances like air conditioners and refrigerators.

• Capacitor run motors use a capacitor to improve the motor's efficiency and power factor, and are often found in fans, pumps, and compressors.

• Both types of motors have advantages and disa...read more
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Q5. Types of capacitor and its function.
Ans. 
Capacitors are electronic components that store and release electrical energy. They come in various types and have different functions.
• Electrolytic capacitors are commonly used in power supply circuits to smooth out voltage fluctuations.

• Ceramic capacitors are used for high-frequency applications and noise suppression.

• Film capacitors are suitable for applications requiring high voltage and high current handling.

• Tantalum...read more
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Q6. What is dielectric?
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Dielectric is a material that does not conduct electricity but can store and transmit electric charge.
• Dielectric materials have high electrical resistance.

• They are used in capacitors to store and release electrical energy.

• Examples of dielectric materials include glass, rubber, and plastic.

• Dielectric strength is a measure of a material's ability to withstand electrical stress without breaking down.

• Dielectric constant is...read more
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Q1. Which department would you like to work with to contribute to the organization?
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Q1. Interviewer went through my CV and asked to explain
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Aptitude 60 min 25 qstns

Q1. SEM explain working method etc
Ans. 
SEM stands for Scanning Electron Microscope, a type of microscope that uses electrons to create high-resolution images of samples.
• SEM uses a focused beam of electrons to scan the surface of a sample

• The electrons interact with the atoms in the sample, producing signals that can be used to create an image

• SEM provides high-resolution images with magnifications up to 1,000,000x

• It is commonly used in materials science, biol
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Q1. Describe your previous role
Ans. I have many years of experiences.
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String, Data STructures

Q1. Domain knowledge
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Q2. Embedded questions
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Q1. Design based on testing
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