MediaTek India Technology Physical Design Engineer Interview Questions and Answers

Q1. What is cross talk
Ans. 
Cross talk is the unwanted transfer of signals between different components or traces on a circuit board.
• Occurs when signals from one trace interfere with signals on another trace

• Can lead to signal distortion or errors in data transmission

• Prevented by proper spacing and shielding between traces

• Example: Cross talk between data lines on a PCB causing errors in communication
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Q2. How to define generated clocks through edges
Ans. 
Generated clocks through edges are defined by specifying the source clock and the edge on which the generated clock is based.
• Specify the source clock for the generated clock

• Define the edge (rising/falling) on which the generated clock is based

• Use tools like Synopsys Design Compiler to define generated clocks
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Q1. Interview based on EMIR ànalysis 1. Static and Dynamic Ir drop questions
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Q2. Power and signal EM questions
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Q1. Toggle the bits of given input
Ans. 
Toggle the bits of given input
• Create a mask with all bits set to 1

• XOR the input with the mask to toggle the bits

• Repeat the process for each bit position
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Q2. Clear the set bit
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Q1. Print the star pattern
Ans. 
Print a star pattern using loops
• Use nested loops to print the desired pattern

• Increment the number of stars in each row to create the pattern

• Example: for a pattern with 5 rows - * , ** , *** , **** , *****
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Q2. Microprocessor microcontroller topics are asked
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Q1. Basics of analog , digital and vlsi
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Q2. On face to face interview, they asked me abt my projects , digital, little analog , vlsi ( verilog), microcontrollers and c programming
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40 aptitude qns and some mcqs on basic programming

Q1. I was asked to write two sum, palindrome function and merge sort code in whatever language I'm comfortable in
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Q2. Two sum- return true or false
Ans. 
Given an array of integers, determine if there are two numbers that add up to a specific target.
• Iterate through the array and store each element in a hash set.

• For each element, check if the difference between the target and the element exists in the hash set.

• If the difference exists, return true; otherwise, continue iterating.

• Example: nums = [2, 7, 11, 15], target = 9. The function should return true as 2 + 7 = 9.
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Q3. Merge sort function code
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Q4. Palindromic string or not
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Q1. Asked the working experience and the related skills to the new job
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Q1. Coding questions in Verilog, Systemverilog, random constraints such as how to write a onehot in different ways
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Q1. Asked the expectation of the base salary and overall compensation
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Mostly on TB components coding, different scenario coding..

Mostly on past project experience, different implementation on those projects.

Q1. On background details
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Q2. Reason of job change
Ans. 
Seeking new challenges and growth opportunities in the field of verification engineering.
• Desire to work on more complex projects

• Opportunity to learn and apply new technologies

• Seeking a more collaborative and supportive work environment

• Career advancement and professional development

• Company restructuring or downsizing

• Relocation or commute concerns
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Q1. Sdc basics TCL coding
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