Quiz: Introduction to Frequency Domain TIPL TI Precision Labs – ADCs

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Quiz: Introduction to Frequency Domain TIPL 4301 TI Precision Labs – ADCs Created by Art Kay

Quiz: Introduction to Frequency Domain (T/F) The FFT shown below could be the spectrum for a 1kHz square wave. True False

Quiz: Introduction to Frequency Domain 2. (T/F) Any periodic waveform can be represented as an infinite series of sinusoidal waveforms. True False An ideal 12 bit converter will ____________. Not have any noise Have quantization noise Have non-linearity due to quantization Non-linearity is directly related to _________. Noise Distortion SFDR Numerical limitations of the FFT

Quiz: Introduction to Frequency Domain 5. What is the SNR for an ideal 16 bit converter? 61.96dB 74dB 98.08dB 110.12dB 6. For the IEEE ADC test standard, how many harmonics are used in the THD calculation? 5, from 1 to 5 9 harmonics, from 2 through 10 This depends on the level of distortion. For high distortion signals more harmonics are used. The IEEE spec doesn’t specify number of harmonics.

Solutions

Quiz: Introduction to Frequency Domain (T/F) The FFT shown below could be the spectrum for a 1kHz square wave. True False

Quiz: Introduction to Frequency Domain 2. (T/F) Any periodic waveform can be represented as an infinite series of sinusoidal waveforms. True False An ideal 12 bit converter will ____________. Not have any noise Have quantization noise Have non-linearity due to quantization Non-linearity is directly related to _________. Noise Distortion SFDR Numerical limitations of the FFT

Quiz: Introduction to Frequency Domain 5. What is the SNR for an ideal 16 bit converter? 61.96dB 74dB 98.08dB 110.12dB 6. For the IEEE ADC test standard, how many harmonics are used in the THD calculation? 5, from 1 to 5 9 harmonics, from 2 through 10 This depends on the level of distortion. For high distortion signals more harmonics are used. The IEEE spec doesn’t specify number of harmonics.