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US 6,473,012 B2Granted
A/D converter background calibration
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsRichard Hellberg, Bengt Erik Jonsson
Life of this patent
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Abstract
A background calibrated A/D converter includes a random time interval generator that initiates background calibration at randomly selected time instants to increase the spurious-free dynamic range of the A/D converter.
Claims13
A background calibrated analog-to-digital (A/D) converter, comprising:
- a random time interval generator adapted to initiate background calibration at randomly selected time instants to increase the spurious-free dynamic range of the A/D converter.
A method of background calibrating an A/D converter comprising the step of:
- initiating background calibration at randomly selected time instants to increase the spurious-free dynamic range of the A/D converter.
Dependencies are inferred from the claim text.