Adaptive self-calibration method and apparatus

Details Adaptive self-calibration method and apparatus Adaptive self-calibration method and apparatus

2006-12-19

2006-12-19

Mottola, Steven J. (Department: 2817)

Amplifiers

With amplifier condition indicating or testing means

C330S20700P

Reexamination Certificate

active

07151403

ABSTRACT:
Feedback for self-calibration of any parameter in an analog and/or digital system is described wherein a system quality factor can be represented by a voltage or current differential. The preferred embodiment is operative to alternately supply two or more optimally equivalent currents or voltages from such a system, detect amplitude and/or phase feedback of resultant output signal at the frequency of the alternation, and use feedback to modify a calibration value, voltage, or current so as to minimize or maximize the feedback, thus effecting self-calibration of the system. Such a method and attendant apparatus enables system self-calibration without need of any high-precision or high-cost components.

REFERENCES:
patent: 6316992 (2001-11-01), Miao et al.

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