Texas Instruments Interview Questions, Process, and Tips

Circuit theory , vlsi, digital,analog, cmos

Q1. Same circuit theory, vlsi , digital cmos .
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90 minutes with 20 questions of Analog and Aptitude each. Topics are Basic Network Theory, Diode, Op-amps, etc. Topics may vary place-to-place.

Q1. Questions are cumulative: Draw a Lowpass filter (RC)
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Q2. Add capacitor parallel to one resistor and tell frequency response
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Adding a capacitor in parallel to a resistor changes the frequency response of the circuit.
• The cutoff frequency of the circuit decreases as the capacitance increases.

• The circuit becomes a high-pass filter with a -20dB/decade slope above the cutoff frequency.

• The impedance of the capacitor decreases as frequency increases, allowing more current to flow through the circuit.

• The resistor and capacitor form a voltage divider...read more
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Q3. Add resistor to the capacitor and tell frequency response
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Adding a resistor to a capacitor changes the frequency response of the circuit.
• The cutoff frequency of the circuit decreases with increasing resistance.

• The circuit becomes more attenuative at higher frequencies.

• The time constant of the circuit increases with increasing resistance.

• The circuit becomes more stable and less prone to oscillation.

• Example: A low-pass filter with a 10uF capacitor and a 1kohm resistor has a cut
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Q4. T-flip flop mod3 counters and reset
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Q5. A tricky diode based network question with both cases(ideal and non-ideal diode)
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Q6. Aptitude question of 1000 bottles and one poisoned
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Basic EE, Aptitude and reasoning Questions. Focused on Analog and Digital

Q1. Solving a RC network circuit which further evolved into more complex network
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Q2. Explain the Projects on resume
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Texas came to TIER 1 college in day 0 of placement. Written questions were pretty much on the higher side of difficulty. Need to practice and apply concepts smartly, no need to mug up formulas unnecessarily.

Q1. They will grill you with whatever you have written in your resume so far. I was asked multiple design level questions so far.
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