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I applied via LinkedIn and was interviewed in Oct 2024. There were 3 interview rounds.
Analog design related question
Frequency response of a single-stage amplifier can be represented by a vout curve with vin variation.
Frequency response of a single-stage amplifier shows how the output voltage changes with input voltage at different frequencies.
The vout curve with vin variation typically shows a flat response at low frequencies and a roll-off at higher frequencies.
The frequency response can be characterized by parameters like bandwidt...
The DC to high frequency variation for a differential amplifier with a bypass capacitor in the middle can be analyzed by considering the impact on the amplifier's frequency response.
The bypass capacitor helps to maintain a stable DC operating point by providing a low impedance path for AC signals while blocking DC.
At low frequencies, the bypass capacitor acts as an open circuit, allowing the differential amplifier to f...
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
What people are saying about Intel
posted on 6 Apr 2016
The output response of RLC circuits is the behavior of the circuit's output voltage or current over time.
The output response depends on the values of the resistance (R), inductance (L), and capacitance (C) in the circuit.
RLC circuits can exhibit different types of responses, such as overdamped, underdamped, or critically damped.
The response can be analyzed using differential equations or Laplace transforms.
For example,...
Temperature has a significant effect on leakage current in analog circuits.
Leakage current increases with temperature due to increased carrier generation and diffusion.
Higher temperatures can cause increased leakage current through reverse-biased junctions.
Temperature coefficients are used to quantify the change in leakage current with temperature.
Thermal management techniques are employed to minimize the impact of tem...
Complex RC circuits are circuits that contain resistors and capacitors in a series or parallel configuration.
The time constant of a complex RC circuit can be calculated using the product of resistance and capacitance.
Complex RC circuits can be used in filters, oscillators, and timing circuits.
The behavior of a complex RC circuit can be analyzed using circuit analysis techniques such as Kirchhoff's laws and nodal analys
The bandwidth of an opamp affects its ability to amplify high-frequency signals.
Opamp bandwidth determines the range of frequencies it can amplify effectively.
A higher bandwidth allows the opamp to amplify higher frequency signals accurately.
A lower bandwidth limits the opamp's ability to amplify high-frequency signals.
Opamp bandwidth is typically specified in terms of the -3dB frequency.
Bandwidth can be improved by us...
Prefer gaining industry experience over academic research
Desire to gain practical experience in industry
Interest in applying knowledge in real-world projects
Preference for hands-on learning and problem-solving in a work environment
posted on 1 Dec 2015
posted on 2 Nov 2024
Analog circuits , opamp, mosfets , Rc circuits
NMOS (N-channel Metal-Oxide-Semiconductor) is a type of MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) that uses n-type semiconductor for the channel.
NMOS transistors are used in digital and analog circuits for switching and amplification.
In NMOS design, the gate is made of metal, the insulator is made of oxide, and the semiconductor is n-type.
NMOS transistors operate by applying a voltage to the gate termi...
CMOS circuits are widely used in integrated circuits for their low power consumption and high noise immunity. VTC characteristics show the relationship between input and output voltage.
CMOS circuits consist of complementary pairs of p-type and n-type MOSFETs, allowing for low power consumption and high noise immunity.
VTC (Voltage Transfer Characteristic) shows the relationship between input and output voltage in a CMOS...
posted on 5 Jan 2025
I applied via Campus Placement and was interviewed before Jan 2024. There were 2 interview rounds.
Contained analog basics
posted on 2 Sep 2022
I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.
It was easy with some tricky question
Cascade structure is used to improve gain, bandwidth, and linearity of amplifiers.
Cascade structure combines multiple amplifier stages to achieve higher overall gain.
Each stage can be optimized for a specific frequency range, improving bandwidth.
Cascade structure also reduces distortion and improves linearity.
Examples include cascode amplifiers and differential amplifiers.
Cascade structure is commonly used in high-freq
posted on 16 Sep 2022
I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
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.
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...
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
posted on 16 Sep 2022
I applied via Campus Placement and was interviewed before Sep 2021. There was 1 interview round.
based on 2 interviews
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