Journal
Scientific and technical journal «Priborostroenie»
UDK621.317.733
Issue:12 (60)
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MEASURING TRANSDUCERS FOR CAPACITIVE MICROMECHANICAL GYROSCOPES
Annotation
Equivalent circuits are considered for replacement the capacitive micromechanical gyroscope. Measuring convertors circuit used in gyroscopes are analyzed. In order to exclude the influence of parasitic capacitances and resistances of the parametric transformer replacement circuit and the imperfection of the measuring transducer amplifiers, the use of time separation of the required parameters conversion channels is suggested. A microprocessor-based measuring convertor circuit implementing the method of phase separation of the channels is developed. An algorithm for computing an output signal proportional to the differential sensor informative parameter, is presented.
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