Texas Instruments

Engineering context

Texas Instruments designs and manufactures analog and embedded-processing semiconductors. Preparation can emphasize circuit reasoning, device behavior, measurement and embedded implementation according to the job. Official company reference.

Selection process

Use the current vacancy, official hiring communication and assessment instructions. Eligibility, tests, interview count and topics vary by role, location and hiring route; this guide does not verify a fixed sequence of company interview rounds.

What to revise

MOS/BJT operation, op-amps, feedback, noise, data converters and lab measurements; embedded C and peripherals for embedded roles.

Use the relevant subjects below as references; you do not need to revise every subject equally for every role.

• Networks & Circuits
• Signals & Systems
• Electronic Devices
• Analog Circuits
• Digital Circuits
• Control Systems
• Communications
• Electromagnetics
• Microprocessors & Embedded
• VLSI Design

Practice questions

These are original preparation questions, not a claim that the company asked them.

1. Explain the difference between analog and digital signals. Analog information varies continuously in amplitude; digital information uses discrete symbols. Physical digital waveforms are still continuous-time electrical signals, and noise immunity depends on margins, coding and the receiver.

2. What is the function of a microprocessor in an embedded system? A microprocessor acts as the brain of an embedded system, executing instructions from the software to perform tasks and process data.

3. How do you design a low-pass filter? A low-pass filter can be designed using resistors and capacitors to allow signals with a frequency lower than a certain cutoff frequency to pass through while attenuating higher frequencies.

4. What are the key differences between SRAM and DRAM? SRAM stores bits in bistable cells and retains them while powered without DRAM-style refresh. DRAM stores charge in capacitive cells and requires refresh; density, speed and cost depend on the implementation.

5. Describe the working principle of a PN junction diode. A PN junction has a depletion region and a built-in electric field. Forward bias lowers the barrier and increases current; reverse bias gives leakage until breakdown, so a real diode is not an ideal one-way switch.

6. What is modulation in communication systems? Modulation is the process of varying a carrier signal's properties, such as amplitude, frequency, or phase, to transmit data over communication channels.

Before the interview

• Review and update your resume with relevant projects and internships.
• Prepare to discuss any hands-on experience with electronics and telecommunication systems.
• Research Texas Instruments' latest products and technologies, focusing on their analog and embedded processing solutions.
• Practice common interview questions and technical problems related to electronics and telecommunication.
• Be ready to explain your final year project and its relevance to the role you are applying for.