Digitally self-calibrating pipeline analog-to-digital converter

Details Digitally self-calibrating pipeline analog-to-digital converter Digitally self-calibrating pipeline analog-to-digital converter

1994-02-24

1996-03-12

Hoff, Marc S.

Coded data generation or conversion

Converter calibration or testing

341162, H03M 110

Patent

active

054990270

ABSTRACT:
A self-calibrating pipeline analog-to-digital converter having a plurality of analog-to-digital conversion units and including a recursive calibrating section operable for calibrating errors associated with an immediately preceding first conversion unit. The recursive calibrating section includes circuitry for receiving an analog output signal generated from said first conversion unit in response to an analog input signal provided to the first conversion unit; circuitry for receiving a digital output signal generated from the first conversion unit in response to a digital input signal provided to the first conversion unit; circuitry for generating a conversion signal corresponding to a quantized representation of the analog output signal; and circuitry for generating a calibration signal having a value equal to the conversion signal in response to the digital input signal being a first digital value and having a value equal to the sum of the conversion signal and a calibration value in response to the digital input signal being a second digital value.

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Soenen, Eric, "Error Modeling, Self-Calibration And Design Of Pipelined Analog To Digital Converters"; UMI Dissertation Services, vols. 1 and 2.
Soenen, Eric G. and Geiger, Randall L., "An Architecture and An Algorithm for Fully Digital Correction of Monolithic Pipelined ADC's"; IEE Transactions On Circuits and Systems-II: Analog and Digital Signal Processing, vol. 42, No. 3, Mar. 1995, pp. 143-153.
Soenen, Eric G. and Geiger, Randall L., "A Fully Digital Self-Calibration Method For High Resolution, Pipelined A/D Converters"; IEE 36the Midwest Symposium On Circuits And Systems. Aug. 16-18, 1993.

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