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Two-Tone Signal Generation for Communication Application ADC Testing | IEEE Conference Publication | IEEE Xplore

Two-Tone Signal Generation for Communication Application ADC Testing


Abstract:

This paper describes algorithms for generating low intermodulation-distortion (IMD) two-tone sinewaves, for communication application ADC testing, using an arbitrary wave...Show More

Abstract:

This paper describes algorithms for generating low intermodulation-distortion (IMD) two-tone sinewaves, for communication application ADC testing, using an arbitrary waveform generator (AWG) or a multi-bit ΣΔ DAC inside an SoC. The nonlinearity of the DAC generates distortion components, and we propose here eight methods to precompensate for the IMD using DSP algorithms and produce low-IMD two-tone signals. Theoretical analysis, simulation, and experimental results all demonstrate the effectiveness of our approach.
Date of Conference: 19-22 November 2012
Date Added to IEEE Xplore: 31 December 2012
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Conference Location: Niigata, Japan

References

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