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Ignitarium Technology Solutions RTL Design Engineer Interview Questions and Answers

Updated 15 Jan 2025

Ignitarium Technology Solutions RTL Design Engineer Interview Experiences

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Hard
Process Duration
-
Result
Not Selected

I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. DESIGN A MOD COUNTER
  • Ans. 

    A mod counter is a counter that counts from 0 to a specified modulus value before resetting to 0.

    • Design a counter with a specified number of bits to represent the count value

    • Implement logic to increment the count value by 1

    • Add logic to reset the count value to 0 when it reaches the modulus value

  • Answered by AI
  • Q2. DIFFERENCE BTW LATCH AND FLIPFLOP
  • Ans. 

    A latch is level sensitive and a flip-flop is edge sensitive. Latch changes output as soon as input changes, while flip-flop changes output only on clock edge.

    • Latch is level triggered, while flip-flop is edge triggered

    • Latch changes output as soon as input changes, while flip-flop changes output only on clock edge

    • Latch is asynchronous, while flip-flop is synchronous

    • Examples: SR latch, D latch for latch; D flip-flop, JK

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at Dayananda Sagar College of Engineering, Bangalore and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude and mcqs on analog and digital electronics

Round 2 - Technical 

(6 Questions)

  • Q1. Introduce yourself ( 2 minutes)
  • Ans. 

    I am a dedicated Analog Layout Engineer with a strong background in designing and implementing analog circuits.

    • I have a Bachelor's degree in Electrical Engineering from XYZ University.

    • I have 5 years of experience working in the semiconductor industry, specifically focusing on analog layout design.

    • I am proficient in using CAD tools such as Cadence Virtuoso for layout design.

    • I have a strong understanding of analog circui...

  • Answered by AI
  • Q2. Why are semiconductors used in electronics?
  • Ans. 

    Semiconductors are used in electronics because of their ability to conduct electricity under certain conditions, making them essential for creating electronic devices.

    • Semiconductors can be used to control the flow of electricity, allowing for the creation of transistors, diodes, and integrated circuits.

    • They have properties that fall between conductors and insulators, making them versatile for various electronic applica...

  • Answered by AI
  • Q3. What is a diode and how does it work?
  • Ans. 

    A diode is a semiconductor device that allows current to flow in one direction only.

    • A diode has two terminals - an anode and a cathode.

    • It works by allowing current to flow from the anode to the cathode when a forward voltage is applied.

    • When a reverse voltage is applied, the diode blocks the current flow.

    • Diodes are commonly used in rectifiers, voltage regulators, and signal demodulation.

    • Examples of diodes include silico...

  • Answered by AI
  • Q4. Biasing of a diode and it's voltage and current characteristics.
  • Ans. 

    Biasing of a diode refers to applying a DC voltage across the diode to control its voltage and current characteristics.

    • Biasing a diode involves applying a DC voltage across it in order to control its operation.

    • Forward biasing occurs when the positive terminal of the voltage source is connected to the anode of the diode.

    • Reverse biasing occurs when the negative terminal of the voltage source is connected to the anode of ...

  • Answered by AI
  • Q5. Fabrication process of a mosfet
  • Ans. 

    The fabrication process of a MOSFET involves creating the various layers and structures that make up the transistor.

    • Start with a silicon wafer as the base material

    • Create the gate oxide layer on top of the wafer

    • Deposit polysilicon to form the gate electrode

    • Implant dopants to create the source and drain regions

    • Add metal layers for interconnects

    • Perform various lithography and etching steps to define the transistor's featu

  • Answered by AI
  • Q6. Working and different regions of operations of the mosfet.
  • Ans. 

    MOSFET operates in different regions: cutoff, triode, saturation. Each region has specific characteristics.

    • Cutoff region: MOSFET is off, no current flows

    • Triode region: MOSFET acts as a resistor, linear relationship between Vgs and Id

    • Saturation region: MOSFET acts as a current source, Vds is small and Id is relatively constant

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be perfect with basics of analog electronics, digital electronics and network theory.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. How to do grid check and what are the inputs required for gridcheck
  • Ans. 

    Grid check is a process to verify the accuracy of a grid system in a design.

    • Grid check involves measuring the spacing between grid lines to ensure they meet the specified dimensions.

    • Inputs required for grid check include grid line spacing, grid line thickness, and overall grid dimensions.

    • Grid check can be done using tools like rulers, calipers, or specialized grid check templates.

    • Grid check is important in ensuring ali

  • Answered by AI
  • Q2. How do you analyze the powergrid
  • Ans. 

    Analyzing the powergrid involves studying its components, performance, and efficiency.

    • Start by examining the overall layout and structure of the powergrid

    • Analyze the distribution of power sources, transmission lines, and substations

    • Evaluate the efficiency of the powergrid in terms of energy loss and voltage stability

    • Use simulation software to model different scenarios and optimize the powergrid

    • Consider factors like ren...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Apr 2024.

Round 1 - One-on-one 

(6 Questions)

  • Q1. Introduce yourself
  • Ans. 

    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

    • Collaborated with cross-functional teams to bring projects to completion

  • Answered by AI
  • Q2. Explain matching and it type in detail with example. Why do we do matching.
  • Ans. 

    Matching is the process of comparing two or more items to determine if they are the same or similar.

    • Matching involves comparing characteristics or features of items to find similarities or differences.

    • Types of matching include pattern matching, string matching, and image matching.

    • Matching is used in various fields such as computer science, psychology, and genetics.

    • Example: Matching fingerprints to identify a suspect in...

  • Answered by AI
  • Q3. Scenario: 2 blocks 100 um apart. current of 8 mA flows with 10 ohms resistance. What should be the metal width for routing.(Need to show the complete calculation)
  • Ans. 

    To determine the metal width for routing, calculate the resistance and use it to find the required width.

    • Calculate resistance using R = ρ * (L/A), where ρ is the resistivity of the metal, L is the distance between blocks, and A is the cross-sectional area of the metal.

    • Use Ohm's Law (V = I * R) to find the voltage drop across the metal.

    • Finally, use the voltage drop and current to determine the required metal width.

  • Answered by AI
  • Q4. Explain block functionality of your previous project in detail and how your started your layout till tape out.
  • Ans. 

    Block functionality of previous project involved data processing and storage. Layout started with floorplanning and power grid design.

    • Implemented data processing block using Verilog HDL

    • Designed storage block using flip-flops and registers

    • Started layout with floorplanning to allocate space for different blocks

    • Designed power grid to ensure proper distribution of power to all blocks

    • Performed physical design tasks such as ...

  • Answered by AI
  • Q5. Em&IR in detail and how these can be will resolved
  • Ans. 

    Em&IR stands for Emissions and Immunity in the context of design engineering. Resolving these issues involves identifying sources of electromagnetic interference and implementing mitigation techniques.

    • Em&IR refers to the study of electromagnetic emissions from electronic devices and their susceptibility to external interference.

    • Common sources of electromagnetic interference include power supplies, motors, and wireless ...

  • Answered by AI
  • Q6. Write a command to find the lines containing the word "ERROR" from a log file and copy it to new file.
  • Ans. 

    Command to find lines with 'ERROR' in log file and copy to new file

    • Use grep command to search for 'ERROR' in log file: grep 'ERROR' logfile.txt

    • Use redirection to copy the output to a new file: grep 'ERROR' logfile.txt > newfile.txt

  • Answered by AI
Round 2 - One-on-one 

(5 Questions)

  • Q1. What is latchup and how it can be resolved
  • Ans. 

    Latchup is a condition in integrated circuits where parasitic thyristors are inadvertently triggered, causing a high current flow.

    • Latchup can be resolved by adding guard rings around sensitive components to prevent parasitic thyristors from triggering.

    • Using layout techniques such as spacing sensitive components further apart can also help prevent latchup.

    • Properly designing the power distribution network and ensuring pr

  • Answered by AI
  • Q2. What is Antenna effect and how it can be resolved.
  • Ans. 

    Antenna effect is the phenomenon where the gate of a transistor behaves like an antenna, causing unwanted signal interference.

    • Antenna effect occurs in integrated circuits due to the gate acting as an antenna and picking up external signals.

    • It can lead to performance degradation and reliability issues in the circuit.

    • To resolve antenna effect, techniques like adding shielding layers, changing layout design, and using gua...

  • Answered by AI
  • Q3. Why do we go for higher metal jump not for lower metal jump for resolving Antenna.
  • Ans. 

    Higher metal jumps are preferred over lower metal jumps for resolving antenna issues due to better signal propagation and reduced interference.

    • Higher metal jumps provide better signal propagation and reduced interference compared to lower metal jumps.

    • Higher metal jumps help in achieving better antenna performance and coverage.

    • Lower metal jumps may result in signal degradation and increased interference.

    • Higher metal jum...

  • Answered by AI
  • Q4. Explain WPE and how it can be taken care.
  • Ans. 

    WPE stands for Water Pressure Equalization. It is a system used to maintain equal pressure in a water distribution network.

    • WPE helps prevent water hammer, which can damage pipes and fittings.

    • It ensures consistent water pressure throughout the network, even when demand fluctuates.

    • Regular maintenance of valves, pumps, and pressure regulators is essential to ensure the WPE system functions properly.

  • Answered by AI
  • Q5. What is LOD effect(I was unable to answer this one)
Round 3 - HR 

(2 Questions)

  • Q1. Asking regarding the gap in my career.
  • Q2. Am I comfortable with job location.
  • Ans. 

    Yes, I am comfortable with the job location.

    • I have researched the area and feel it is a good fit for me.

    • I have visited the location and liked what I saw.

    • I am willing to relocate if necessary for this opportunity.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Make your resume by yourself and it should be precise, detailed(specially your projects), in professional format. Because your resume is your first impression.(First impression is your last impression)
2. Whenever you do your job try to corelate it with your theoretical knowledge. In interview you will be able to explain in detail with practical knowledge.
3. Believe in yourself.(This is what you need the most)

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

C, c++ python and simple aptitude

Round 2 - Technical 

(2 Questions)

  • Q1. MOSFET working & types
  • Q2. CMOS inverter and it's working
  • Ans. 

    A CMOS inverter is a type of digital logic gate that switches between high and low voltage levels.

    • CMOS stands for Complementary Metal-Oxide-Semiconductor

    • It consists of a PMOS (p-type metal-oxide-semiconductor) and NMOS (n-type metal-oxide-semiconductor) transistor connected in series

    • When the input is high, the PMOS transistor conducts and the output is low

    • When the input is low, the NMOS transistor conducts and the outp...

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Behavioral question & hr question
  • Q2. Hr discussion & salary discussion
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Basic tool knowledge
Round 2 - Technical 

(1 Question)

  • Q1. Basics and layout techniques
Round 3 - HR 

(1 Question)

  • Q1. Salary and Client
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. About project LDO, BGR, ANTEENA, EM, IR,opam basics, short chanel effect
Round 2 - HR 

(1 Question)

  • Q1. Salary and expectations
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Nov 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. About LNA, VCO and LDO projects
  • Q2. Basics of Fourier transform
  • Q3. Basic analog circuit questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Do prepare all the projects in the CV

Interview Preparation Tips

Round: Resume Shortlist
Experience: This is the most crucial part. For me about getting job, my resume serves at least 70% of achievement. Resume should be most precise to the company you apply.
Tips: Don't bluff. But market yourself with what you have. Show each and every achievement of yours as if its a great one. Play with words to get the effect. Resume should be in such a way that just by seeing it, interviewer should know how unique you are.

Round: Technical Interview
Experience: They have mostly asked basic questions from Control systems, networks, analog devices.
Tips: Be strong in basics. Its not one night prepeartion. Just try to be logical in the interview. Even though you don't know the answer, think logically and show them how you thinking goes.

Round: HR Interview
Experience: This is basically just for nominal.
Tips: But every word you say counts. Mainly in this round. Show your interest clearly. Be friendly. But don't ne open about everything

General Tips: Try your best. Just don't stick for single company. Prepare in general. By the way, I got this through internship.
College Name: NIT ROURKELA
Motivation: Its a core company of electronics, which is good in the field of VLSI. Though right now, it seems to be a normal company. The experience is really worth to continue in this field.

Ignitarium Technology Solutions Interview FAQs

How many rounds are there in Ignitarium Technology Solutions RTL Design Engineer interview?
Ignitarium Technology Solutions interview process usually has 1 rounds. The most common rounds in the Ignitarium Technology Solutions interview process are Technical.

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Ignitarium Technology Solutions RTL Design Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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₹7.5 L/yr - ₹12 L/yr
13% more than the average RTL Design Engineer Salary in India
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