Digital analog converter with self-calibration current sources

Details Digital analog converter with self-calibration current sources Digital analog converter with self-calibration current sources

1997-11-10

1999-02-09

Young, Brian

Coded data generation or conversion

Converter calibration or testing

341144, H03M 110

Patent

active

058700447

ABSTRACT:
An digital-analog converter uses at least 2.sup.N -1 identical current sources capable of being calibrated to convert a number encoded on N bits and an additional current source designed to replace one of the 2.sup.N -1 current sources during the calibration of one of said sources. The additional current source is connected to the output by means of a sole additional commutator.

REFERENCES:
patent: 4647907 (1987-03-01), Storey
patent: 4967197 (1990-10-01), Peng
patent: 5446455 (1995-08-01), Brooks
patent: 5646619 (1997-07-01), Daubert et al.
patent: 5666118 (1997-09-01), Gersbach
patent: 5703586 (1997-12-01), Tucholski

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