Calibration of signal feedback through VCO's

Details Calibration of signal feedback through VCO's Calibration of signal feedback through VCO's

1992-04-24

1993-07-20

Ip, Paul

Electricity: motive power systems

Positional servo systems

With stabilizing features

318798, 318811, 318567, H02P 540

Patent

active

052297004

ABSTRACT:
A method and system for calibration of a primary signal processing path without interruption of signal processing utilizes a calibration signal processing path which is periodically used to process a signal concurrently with processing in the primary path. Any difference is compensated by gain adjustment in the primary path. In one form, a plurality of primary paths are sequentially compared with a calibrated path. The calibrated path is periodically checked using a precision reference and any error is corrected before comparison of the primary paths.

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