Method and apparatus for analyzing a relationship between tone frequencies and spurious frequencies
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United States of America Patent
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Oct 25, 2022
Grant Date -
Jul 22, 2021
app pub date -
Jan 16, 2020
filing date -
Jan 16, 2020
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Abstract
An improved analysis and determination of a relationship between a tone frequency and spurious frequencies is provided. A device under test is operated to generate signals based on multiple different tone frequencies. For each tone frequency a spectrum of the generated signal is measured and spurious frequencies in the generated signal are identified. Based on the measured spectrums a representation of the spurious frequencies versus the related tone frequencies is generated. Trajectories may be inserted into the representation for indicating relationships between the tone frequencies and the spurious frequencies. This representation provides a useful basis for a fast and reliable identification of relationships between spurious frequencies and tone frequencies.
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