Method for correcting periodic sampling errors

Details Method for correcting periodic sampling errors Method for correcting periodic sampling errors

2006-05-02

2006-05-02

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S120000, C341S141000

Reexamination Certificate

active

07038602

ABSTRACT:
In one representative embodiment, scaling factors and delay values associated with respective analog-to-digital converters (ADCs) of an interleaved ADC are stored in memory. As a digital sample from the interleaved ADC is received, a respective amplitude scaling factor is retrieved from memory and applied to the digital sample. Preferably, a first order correction is then applied to the amplitude corrected-sample. The first order correction estimates the derivative using the current amplitude corrected sample and at least one additional amplitude corrected sample. The derivative is multiplied by an estimate of the respective timing delay associated with the particular sample. The corrected amplitude value is added to the multiple of the derivative and the timing delay to form the fully corrected digital sample.

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