Digital-domain self-calibration and built-in self-testing techniques for high-speed integrated A/D converters using white gaussian noise

• Main Authors: ORTIGUEIRA, MANUEL DUARTE, EVANS, GUIOMAR GASPAR DE ANDRADE EVANS, UNTERWEISSACHER, MARTIN, PAULINO, NUNO FILIPE SILVA VERISSIMO, GOES, JOAO CARLOS DA PALMA
• Format: Patent
• Language: English; French; German
• Published: 03.11.2004
• Edition: 7
• Subjects: BASIC ELECTRONIC CIRCUITRY; CODE CONVERSION IN GENERAL; CODING; DECODING; ELECTRICITY

The invention concerns a design technique for self-calibrating the linearity of high-speed analog-to-digital converters (ADC). A white Gaussian noise (WGN) input stimulus is employed for generating a digital histogram at the output of the ADC. The calibrating codes are then computed from this digita...