Regulator of a digital-to-analog converter and related...

Details Regulator of a digital-to-analog converter and related... Regulator of a digital-to-analog converter and related...

2008-07-15

2008-07-15

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

C341S144000

Reexamination Certificate

active

11681659

ABSTRACT:
A regulator for a digital-to-analog converter having in input a digital signal and suitable for providing an analog signal in output, the regulator including at least one pair of buffers having in input the digital signal and the outputs connected to a pair of circuit branches connected to the output of the regulator; each of the at least two circuit branches having at least one resistance. To at least one of the at least one pair of buffers a variable resistance is associated, and the regulator includes a circuit having in input the analog signal and adapted for measuring its waveform and acting on the variable resistance in response to its possible anomalous waveform compared to a desired waveform.

REFERENCES:
patent: 3997892 (1976-12-01), Susset
patent: 5764174 (1998-06-01), Dempsey et al.
patent: 5797964 (1998-08-01), Carlson et al.
patent: 2005/0189983 (2005-09-01), Sivero et al.
patent: 2006/0217079 (2006-09-01), Yu et al.
Mijanovic Z. et al., R/2R+ Digital-Analog Converter (DAC), IEEE Instrumentation and Measurement Technology Conference, Brussels, Belgium, Jun. 4-6, 1996.

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