Method and apparatus for minimizing digital-to-analog converter

Details Method and apparatus for minimizing digital-to-analog converter Method and apparatus for minimizing digital-to-analog converter

1984-07-18

1987-06-16

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347DA, 364727, H03M 110

Patent

active

046739173

ABSTRACT:
A method of calibrating a feed forward, DAC post-correction system. The method includes fitting the Walsh co-efficiencts of a DAC transfer function to a straight line in the log domain. The deviation of these terms in the log domain is utilized to compute Walsh correction terms for use in the post correction system.

REFERENCES:
Pau, "Fast Testing & Trimming of A/D and D/A Converters in Automatic Test Systems", paper presented at 1978 IEEE Autotest, pp. 268-274.

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