Coded data generation or conversion – Converter calibration or testing
Reexamination Certificate
2011-04-26
2011-04-26
JeanPierre, Peguy (Department: 2819)
Coded data generation or conversion
Converter calibration or testing
C341S155000
Reexamination Certificate
active
07932845
ABSTRACT:
A self-calibrating analog-to-digital converter (ADC). The ADC includes multiple component ADCs to generate respective digital representations of an input signal in response to respective timing signals that are offset in phase from one another, each component ADC having a gain setting that controls a magnitude of the digital representations. The ADC further includes correction circuitry to generate a plurality of fast-Fourier transforms (FFTs) that correspond to the digital representations of the input signal and to adjust the gain settings of the component ADCs and/or phase angles of the timing signals based on gain and phase errors indicated by the FFTs.
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Sheng Samuel
Yun Weijie
Jean-Pierre Peguy
Telegent Systems, Inc.
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