Background offset and gain calibration for time-interleaved ADC using digital sinusoidal calibration signal

Background offset and gain calibration for time-interleaved ADC using digital sinusoidal calibration signal

This paper presents background offset and gain calibration for time-interleaved analog-to-digital converter (TIADC). The calibration technique depends on detecting the offset and the amplitude of a calibration signal. The detection is based on a simple algorithm performed in the digital part. A digi...

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Bibliographische Detailangaben
Hauptverfasser: Khalil, R., Louerat, M-M, Petigny, R., Gicquel, H.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Analog-digital conversion
Analytical models
Calibration
Clocks
Computer Science
Gain
Simulation
Table lookup
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Beschreibung
Zusammenfassung:This paper presents background offset and gain calibration for time-interleaved analog-to-digital converter (TIADC). The calibration technique depends on detecting the offset and the amplitude of a calibration signal. The detection is based on a simple algorithm performed in the digital part. A digital sinusoidal wave is needed to implement the calibration technique. The calibration technique behaviors are theoretically analysed and verified by simulations. A 12-bit, 4-channel, 800 MS/s TIADC is used as an example.
DOI:10.1109/SMACD.2012.6339392