Dsp Interview Questions

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--What is the difference between a zero-forcing (ZF) and a MMSE equalizer? Derive the equations for both. --In wireline communication, how do you perform CDR (clock data recovery)? --What is a decision feedback equalizer and how is it different from feed forward equalizers? --What are the sources of impairments in a high speed wireline communication environment? How would you model them? --What is a minimum phase response for an LTI system? --How do you choose the traceback length for a Viterbi decoder? --Describe Shannon's channel capacity formula.
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DSP Architecture Engineer

Interviewed at Marvell Technology

4.3
Mar 2, 2024

--What is the difference between a zero-forcing (ZF) and a MMSE equalizer? Derive the equations for both. --In wireline communication, how do you perform CDR (clock data recovery)? --What is a decision feedback equalizer and how is it different from feed forward equalizers? --What are the sources of impairments in a high speed wireline communication environment? How would you model them? --What is a minimum phase response for an LTI system? --How do you choose the traceback length for a Viterbi decoder? --Describe Shannon's channel capacity formula.

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