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Software Development Engineer In Test Interviews

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Software Development Engineer In Test Interview Questions

"Interviews for SDET positions revolve primarily around technical questions that assess your knowledge of software development and software testing. Familiarize yourself with the functions, data structures and algorithms you will use on the job so that you can answer both coding and software testing questions. To further test your problem-solving skills, your interviewer may throw in a math brainteaser."

36,204 software development engineer in test interview questions shared by candidates

Its an ADC Testing Day - Every interview was like go in to the room , they asked me to go to the board , and started questioning. But it was nice experience , it was question to answer interviews. 1)Draw Frequency Spectrum of output of an ADC , when the ADC is undersampled . Say f(in) = 10 MHz and Fs= 7 MHz. 2)Square wave in frequency domain will have odd or even harmonics ? 3) Every interviewer asked about how to test the static and dymanic parameters of an ADC, like DNL,SNDR, SNR (ideal). , Histogram Techniques , Coherent Sampling , Windowing, Ramp input vs Sine wave input testing 4)Basics on dB,dBm andfind rms power output. Given an input signal. 5)RC filter output wave amp and phase vs freq plots., transfer function of high pass filter 6)Some C programming questions. - String reversal, sorting, find max number, find prime number. 7)Some questions based on resume. ( projects ,very few) 8)Testing a DAC 9)Transmission Line - Impedence matching questions. Director asked me one question on how would I like to see myself in 5 years from now.
avatar

Mixed Signal Test Bench Engineer ( Mainly ADC)

Interviewed at Qualcomm

3.8★
Jan 8, 2013

Its an ADC Testing Day - Every interview was like go in to the room , they asked me to go to the board , and started questioning. But it was nice experience , it was question to answer interviews. 1)Draw Frequency Spectrum of output of an ADC , when the ADC is undersampled . Say f(in) = 10 MHz and Fs= 7 MHz. 2)Square wave in frequency domain will have odd or even harmonics ? 3) Every interviewer asked about how to test the static and dymanic parameters of an ADC, like DNL,SNDR, SNR (ideal). , Histogram Techniques , Coherent Sampling , Windowing, Ramp input vs Sine wave input testing 4)Basics on dB,dBm andfind rms power output. Given an input signal. 5)RC filter output wave amp and phase vs freq plots., transfer function of high pass filter 6)Some C programming questions. - String reversal, sorting, find max number, find prime number. 7)Some questions based on resume. ( projects ,very few) 8)Testing a DAC 9)Transmission Line - Impedence matching questions. Director asked me one question on how would I like to see myself in 5 years from now.

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