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Texas Instruments Analog Engineer Interview Questions and Answers
13 Interview questions
RC circuits are fundamental electronic components used for filtering, timing, and signal processing applications.
An RC circuit consists of a resistor (R) and a capacitor (C) connected in series or parallel.
The time constant (τ) is given by τ = R × C, which determines how quickly the circuit responds to changes.
In a charging circuit, the voltage across the capacitor increases exponentially, while in a discharging c...
An RC circuit consists of a resistor (R) and a capacitor (C) connected in series or parallel, used for filtering and timing applications.
An RC circuit can be used as a low-pass filter, allowing low-frequency signals to pass while attenuating high-frequency signals.
The time constant (τ) of an RC circuit is calculated as τ = R × C, determining how quickly the capacitor charges or discharges.
For example, in a simple ...
MOSFETs are voltage-controlled transistors used for switching and amplifying electronic signals.
MOSFET stands for Metal-Oxide-Semiconductor Field-Effect Transistor.
It has three terminals: Gate (G), Drain (D), and Source (S).
The Gate voltage controls the flow of current between Drain and Source.
In enhancement mode, applying a positive voltage to the Gate allows current to flow.
In depletion mode, applying a negative...
The rough output of the black box is a rectangular pulse with the lie frequencies removed.
The black box filters out lie frequencies from the input rectangular pulse.
The output is a rectangular pulse with only the truthful frequencies remaining.
The exact shape and characteristics of the output pulse depend on the specific design of the black box.
Resistances in series: R, 5R, 9R, 13R... What is the cumulative resistance?
Add all resistances to get the cumulative resistance
Cumulative resistance = R + 5R + 9R + 13R + ...
The formula for the nth term is Tn = R + (n-1)4R
The sum of n terms is Sn = n/2(2R + (n-1)4R)
A transducer is a device that converts one form of energy into another. It typically consists of a sensor, signal conditioning circuitry, and an output interface.
A transducer converts one form of energy into another.
It consists of a sensor that detects the input energy.
Signal conditioning circuitry processes and amplifies the sensor signal.
The output interface converts the processed signal into a usable form.
Examp...
A 2:1 multiplexer can be used as an AND gate by connecting one input to logic 1 and the other input to the desired input signal.
Connect one input of the 2:1 multiplexer to logic 1 (high voltage) and the other input to the desired input signal.
Set the select input of the multiplexer to logic 0 (low voltage) to select the input connected to logic 1.
The output of the multiplexer will then be the logical AND of the se...
The output will have the high frequency components of the rectangular pulse removed.
The output will have a smoother shape compared to the input.
The sharp edges of the rectangular pulse will be rounded off.
The duration of the pulse will remain the same.
The amplitude of the pulse may be attenuated depending on the characteristics of the black box.
The output may exhibit ringing or overshoot due to the removal of high...
Yes, 4 equidistant points can exist in space.
Equidistant points are points that are equally spaced apart from each other.
In a 2D space, 4 equidistant points can form a square.
In a 3D space, 4 equidistant points can form a tetrahedron.
Equidistant points can also exist in higher dimensions.
Understanding the sum of resistors in arithmetic progression (AP) is crucial for circuit analysis.
In an AP, the resistors have a common difference, e.g., R, R+d, R+2d.
The sum of n resistors in AP can be calculated using the formula: S_n = n/2 * (2R + (n-1)d).
Example: For resistors 2Ω, 4Ω, 6Ω (n=3, R=2, d=2), S_3 = 3/2 * (2*2 + (3-1)*2) = 12Ω.
This concept is essential for designing circuits with specific resistance...
Texas Instruments Analog Engineer Interview Experiences
7 interviews found
Anonymous
RC Ckts basic Qs, Network theory, Analog basic
(3 Questions)
- Q1. RC ckts basic qs
- Ans.
RC circuits are fundamental electronic components used for filtering, timing, and signal processing applications.
An RC circuit consists of a resistor (R) and a capacitor (C) connected in series or parallel.
The time constant (τ) is given by τ = R × C, which determines how quickly the circuit responds to changes.
In a charging circuit, the voltage across the capacitor increases exponentially, while in a discharging circui...
- Q2. CMOS inverter characteristics
- Ans.
CMOS inverter is a fundamental building block in digital integrated circuits, with characteristics like high input impedance, low output impedance, and high gain.
CMOS inverter consists of a PMOS and NMOS transistor connected in series.
It has high input impedance due to the PMOS transistor and low output impedance due to the NMOS transistor.
The voltage transfer characteristic of a CMOS inverter is typically nonlinear.
It...
- Q3. Op-amp based circuit solving
Rajat Sugandhi
(5 Questions)
- Q1. Basics of RC circuit
- Ans.
An RC circuit consists of a resistor (R) and a capacitor (C) connected in series or parallel, used for filtering and timing applications.
An RC circuit can be used as a low-pass filter, allowing low-frequency signals to pass while attenuating high-frequency signals.
The time constant (τ) of an RC circuit is calculated as τ = R × C, determining how quickly the capacitor charges or discharges.
For example, in a simple RC ch...
- Q2. Gate question level
- Q3. Opamp gate questions
- Q4. Mos fet working
- Ans.
MOSFETs are voltage-controlled transistors used for switching and amplifying electronic signals.
MOSFET stands for Metal-Oxide-Semiconductor Field-Effect Transistor.
It has three terminals: Gate (G), Drain (D), and Source (S).
The Gate voltage controls the flow of current between Drain and Source.
In enhancement mode, applying a positive voltage to the Gate allows current to flow.
In depletion mode, applying a negative volt...
- Q5. Semiconductor physics
Aditya Pradeep
I applied via Campus Placement
Interview Questionnaire
8 Questions
- Q1. Basic question on sum of series of resistors in AP
- Ans.
Understanding the sum of resistors in arithmetic progression (AP) is crucial for circuit analysis.
In an AP, the resistors have a common difference, e.g., R, R+d, R+2d.
The sum of n resistors in AP can be calculated using the formula: S_n = n/2 * (2R + (n-1)d).
Example: For resistors 2Ω, 4Ω, 6Ω (n=3, R=2, d=2), S_3 = 3/2 * (2*2 + (3-1)*2) = 12Ω.
This concept is essential for designing circuits with specific resistance valu...
- Q2. Question on circuit of 2 way switch
- Q3. A rectangular pulse was passed through a black box which destroys high frequency .How would output look?
- Ans.
The output will have the high frequency components of the rectangular pulse removed.
The output will have a smoother shape compared to the input.
The sharp edges of the rectangular pulse will be rounded off.
The duration of the pulse will remain the same.
The amplitude of the pulse may be attenuated depending on the characteristics of the black box.
The output may exhibit ringing or overshoot due to the removal of high freq...
- Q4. Question on finding minimum and kth minimum of array
- Q5. Can 4 equidistant points exist in space ?
- Ans.
Yes, 4 equidistant points can exist in space.
Equidistant points are points that are equally spaced apart from each other.
In a 2D space, 4 equidistant points can form a square.
In a 3D space, 4 equidistant points can form a tetrahedron.
Equidistant points can also exist in higher dimensions.
- Q6. Why do you want to join this company?
- Ans.
I am impressed by the company's innovative technology and strong reputation in the industry.
Impressed by innovative technology
Strong reputation in the industry
Excited about potential for growth and learning opportunities
- Q7. Who is your inspiration?
- Ans.
My inspiration is my grandfather, who taught me the value of hard work and perseverance.
My grandfather worked tirelessly to provide for his family, instilling in me a strong work ethic.
He faced numerous challenges in his life but always remained positive and determined.
His resilience and dedication to his goals continue to motivate me to strive for success.
- Q8. What could you have done better in your life?
- Ans.
I could have prioritized self-care and mental health more.
Prioritize self-care activities such as exercise, meditation, and hobbies
Seek therapy or counseling when needed
Set boundaries with work and personal relationships
Practice mindfulness and stress management techniques
Interview Preparation Tips
Experience: I had applied for analog,digital and software profiles.Hence I had 4 sections.
Aptitude was pretty easy.All questions were straightforward.Easily solvable in time given.
Analog required knowledge of basic electrical circuits(RC,RLC(Series,parallel), Opamps and other basic theorems). They did ask questions on MOSFETS and BJT's which I did not know.
Digital was very vague. They asked very few question related to K-maps and Boolean algebra.They asked many circuit related questions.
Software required basic knowledge in C.
Tips: Revise Electric and Magnetic Circuits(all theorems),RC,RL and RLC circuits. Know about the step response/sinusoidal response, 3dB bandwidth, transfer functions ,Opamps and diodes
Duration: 165 mins minutes
Total Questions: 70
Round: Technical Interview
Experience: Pretty straightforward. Interviewer helps a bit. It always helps in verbally explaining the procedure out loud.
Tips: Basics should be thorough
Round: HR Interview
Experience: Pretty straightforward. Just answer to the point and be as truthful as possible
Skill Tips: Just be thorough in your basics.
Skills: Basic Concepts, Ability To Analyse
Duration: 2
College Name: IIT Madras
Motivation: I wanted to do in a core company. They were the first core company .So I applied.
I appeared for an interview in Aug 2016.
Interview Questionnaire
4 Questions
- Q1. Depends on your profile of shortlist
- Q2. I got into analog technical and mostly questions are based on previous projects mentioned iñ CV and about RC circuits
- Q3. About you
- Q4. What are you expecting from us?
- Ans.
I am expecting a challenging work environment, opportunities for growth, and a supportive team.
Challenging work assignments that push me to think creatively and problem-solve
Opportunities for professional development and advancement within the company
A supportive team that values collaboration and communication
Clear expectations and feedback from supervisors
Access to resources and tools needed to succeed in my role
Interview Preparation Tips
Experience: It's a technical written exam
Tips: Just manage time
Duration: 2 hours
Round: Technical Interview
Tips: Say your answer confidently they may not give any reaction that doesn't mean your answer is wrong they may be thinking about next question
Round: HR Interview
Experience: It's a core company so HR round is just for a formality technical round is most important
Tips: Just be free
Skills: Problem Solving Abilties, Way Of Answering
College Name: IIT Kharagpur
Interview Preparation Tips
Experience: Very easy questions, lots of time. Some basic hardware questions. Both the tests were very easy.They do not care, if you do not know any of the basics.
Tips: What they mainly see, is how quickly you can understand or grab concepts, and how well you can apply them.
Round: Technical Interview
Experience: They basically grill you on the basics of analog VLSI design. Specifically on the frequency response of various RC circuits. Then they will look into the transient response of various RC circuits, Op-Amp stability criterion.
Tips: They will help you, and you have to grab on to their hints. Good interview. Very good questions.
General Tips: Basically the company looks at your analog signal domain knowledge, and your capability to grasp things quickly. Not funda intensive, but how well can you apply the little funda you have.
Skill Tips: If you have a good base in VLSI circuits, then well and good. However, even if you do not have that much knowledge, but are good in analog VLSI design, and basic transient system design, they will consider you. They are looking for very strong FUNDAMENTALS on basic RC circuits.
Skills: VLSI
College Name: IIT KHARAGPUR
Saikiran Iitr
Interview Questionnaire
2 Questions
- Q1. Why TI?
- Ans.
TI is a leading semiconductor company with a strong focus on innovation and customer satisfaction.
TI has a wide range of products and solutions for various industries
TI invests heavily in research and development to stay ahead of the competition
TI has a strong reputation for quality and reliability
TI provides excellent customer support and technical assistance
TI has a commitment to sustainability and social responsibil...
- Q2. Why analog ?
- Ans.
Analog circuits are essential for interfacing with the real world and processing continuous signals.
Analog circuits are used in a wide range of applications, from audio amplifiers to power management systems.
Analog circuits are necessary for interfacing with sensors and other real-world devices that produce continuous signals.
Analog circuits can often provide higher accuracy and lower noise than digital circuits in cer...
Interview Preparation Tips
Experience: No resume based shortlist . However having a 7+ CGPA is safer side
Round: Test
Experience: Both logical and quant based aptitude questions. Logical questions were tougher
Tips: Focus on logical aptitude questions.Time is the key.
Duration: 30min minutes
Total Questions: 20
Round: HR Interview
Experience: HR asked me to quickly go through my resume . Then lots of discussion on my internships and projects as well as extra curriculars.
It was almost 45-50 min interview. Very few companies take such long HR interview. So please be very clear about resume and ur goals.
Tips: Be strong in what ever u wrote in ur resume
Round: Technical Interview
Experience: Analog based questions :
First round : Lots and lots of RC ckts, bodeplots, basics of MOSFETs
Second round : On my project and my topic of interest ( I choose Op-Amps ) and there were very difficult ( atleast to me ) questions on opamp design and positive feedback.
Tips: Feel free to contact me at ***** for any more help
Skills: Thinking ability, Problem tackling in analysing a circuit
College Name: IIT ROORKEE
Motivation: TI is best in Analog which is my area. :)
Funny Moments: I had two techinical rounds. First round was a cake walk for me ( remind u only 2/20 are shortlisted for second round ) .
Second round was very difficult ( I told myself between the interview to say bye bye to TI ) . Yet I cleared it. It was like a stress interview.
Nived Rajaraman
I applied via Campus Placement
Interview Questionnaire
11 Questions
- Q1. Arrange 4 balls in space such that they are equidistant from each other
- Q2. Draw a functional block diagram of a transducer
- Ans.
A transducer is a device that converts one form of energy into another. It typically consists of a sensor, signal conditioning circuitry, and an output interface.
A transducer converts one form of energy into another.
It consists of a sensor that detects the input energy.
Signal conditioning circuitry processes and amplifies the sensor signal.
The output interface converts the processed signal into a usable form.
Examples o...
- Q3. What is the rough output of a black box that kills lie frequencies, taking a rectangular pulse as input
- Ans.
The rough output of the black box is a rectangular pulse with the lie frequencies removed.
The black box filters out lie frequencies from the input rectangular pulse.
The output is a rectangular pulse with only the truthful frequencies remaining.
The exact shape and characteristics of the output pulse depend on the specific design of the black box.
- Q4. Resistances R, 5R, 9R, 13R... are placed in series. What is the cumulative resistance
- Q5. How can a 2:1 multiplexer be used as an AND gate
- Ans.
A 2:1 multiplexer can be used as an AND gate by connecting one input to logic 1 and the other input to the desired input signal.
Connect one input of the 2:1 multiplexer to logic 1 (high voltage) and the other input to the desired input signal.
Set the select input of the multiplexer to logic 0 (low voltage) to select the input connected to logic 1.
The output of the multiplexer will then be the logical AND of the selecte...
- Q6. How can you swap the values of 2 variables without using a 3rd temporary variable. FOLLOW UP: how can this be generalized for cyclic rotations of 3,4... N variables
- Ans.
To swap the values of 2 variables without a temporary variable, use bitwise XOR operation.
Use bitwise XOR operation to swap the values of two variables without a temporary variable
For example, if a = 5 and b = 7, after swapping, a = 2 and b = 5
To generalize for cyclic rotations of N variables, use a loop and bitwise XOR operation
- Q7. Tell me a little about yourself
- Ans.
I am a passionate analog engineer with a strong background in designing and optimizing circuits for various applications.
Experienced in designing analog circuits for signal processing
Proficient in using simulation tools like SPICE
Skilled in PCB layout and prototyping
Strong understanding of semiconductor devices and their characteristics
- Q8. Why TI?
- Ans.
TI is a leading semiconductor company known for its innovative technology, strong industry reputation, and commitment to customer success.
TI has a strong reputation for innovation in the semiconductor industry
TI offers a wide range of analog and digital products for various applications
TI has a history of successful collaborations with customers and partners
TI's commitment to quality and customer support sets them apar...
- Q9. What is 'X'? (X was one of my projects)
- Ans.
X is a project focused on developing a low-power analog sensor for IoT applications.
Designed low-power analog sensor circuitry
Optimized power consumption for IoT devices
Integrated sensor with microcontroller for data processing
Tested sensor performance in various environmental conditions
- Q10. What is the one biggest change in you after coming to IIT?
- Ans.
I became more confident and independent in my problem-solving abilities.
Improved problem-solving skills through challenging coursework and projects
Gained confidence in my abilities through interactions with peers and professors
Became more independent in managing my time and responsibilities
Developed a strong work ethic and perseverance in the face of challenges
- Q11. What are your plans after graduation?
- Ans.
I plan to pursue a master's degree in electrical engineering and eventually work in the semiconductor industry.
Pursue a master's degree in electrical engineering
Seek opportunities in the semiconductor industry
Gain practical experience through internships or co-op programs
Interview Preparation Tips
Experience: Test was challenging. Depending on the profile 5 tests were conducted, pure HW, pure SW, pure DSP, HW+DSP and HW+SW. The tests were of varying durations. My choice was HW+SW which had 4 sections: digital, analog, software and aptitude. The first two sections were pretty challenging.
Tips: Analog: revise EMC - bode plots + RLC circuits + op amps
Digital: not too much revision required. Questions based on analog were asked here too, so ref. above
Software: understanding of low level C concepts like stacks, function pointers, threads etc. were asked. Some questions on calculating time and space complexity of an algorithm. Mostly theory based MCQs
Duration: 165 minutes
Round: Technical Interview
Experience: Pretty straightforward interview with questions not limited to analog as the field of interest (it was the profile I was selected for).
Tips: Keep cool and work through the process in steps. For some of the tougher questions, the interviewer is helpful enough to suggest steps for proceeding forwards so it only becomes a question of voicing whatever approach you have towards solving the question
Round: HR Interview
Experience: Most generic HR interview ever. It was more casual that if I had been talking with friends.
Tips: General tips:
Be positive
Be clear and concise
Leave little hints in your answers that you are looking to work at TI after graduation (they value this a lot)
General Tips: Be open and calm. It's OKAY to crack a joke or two during the interview to lighten the mood, but sometimes it can explode in your face, so know your limits.
Skills: Software Skills, Analog And Digital Knowledge, Puzzle Solving Capability
Duration: 2
College Name: IIT Madras
Motivation: It is Texas Instruments. That is a good enough reason.
Funny Moments: Nothing to say here really. Probably getting selected was the funniest thing all day
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement and was interviewed in Dec 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Very basic question, gate level questions in analog, network
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.
(2 Questions)
- Q1. What is aspect ratio?
- Ans.
Aspect ratio is the ratio of an object's width to its height.
Aspect ratio is commonly used in design and engineering to maintain proportionality.
It is often expressed as a ratio, such as 16:9 for a widescreen TV.
Aspect ratio can affect the visual perception and usability of a product.
It is important to consider aspect ratio when designing graphics or layouts for different devices or mediums.
- Q2. How do you decide stackup?
- Ans.
Stackup is decided based on the number of layers, signal integrity requirements, and manufacturing constraints.
Consider the number of layers required for the design
Evaluate signal integrity requirements and impedance control
Take into account manufacturing constraints such as minimum trace width and spacing
Balance cost and performance
Use simulation tools to optimize the stackup
Consult with PCB fabricators for their reco...
Interview Preparation Tips
Interview Preparation Tips
Experience: They asked me about my thesis and some device related questions as my thesis was on modelling of device. Questions were basic and were related to variation of device parameters with environmental factors and other parameters. Apart from that, several questions related to basic digital circuits were also asked concerning flip flops, latches, setup time and hold time. The technical interview went on for approximately 1 hour.
Round: HR Interview
Experience: The HR round lasted for about 5 mins only. The HR person asked me whether I were interested in going for PhD or not and about my hobbies and interests. Overall, the interviewers are very friendly and asked basic questions only.
Tips: Prepare your CV well, have a good CPI, do your thesis sincerely, concentrate on your basics and you will stand a very good chance of getting selected.
General Tips: Do the courses thoroughly, make good course projects and start preparing for the placement session at least 1 month early.
Don’t ever mention to them that you are interested in higher studies even if you are applying. In case you don’t get a job at your targeted company, don’t lose hope and move on to the next one.
Concentrate on your preparation and the things that are of utmost importance, don’t get bogged down by pressure. Be optimistic and cheerful, because confidence really helps during interviews.
Final Tips :
1. Be confident and enthusiastic in your response to questions because you have to make them understand that you are interested in the profile.
2. Chalk out a plan to strengthen your strong points and address the weak ones.
College Name: IIT Kanpur
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