Design and development of signal conditioning circuit for MEMS based piezo-resistive pressure sensor for aerospace and defense applications
DOI:
https://doi.org/10.58368/MTT.23.1-2.2024.20-25Keywords:
MAX1452, Signal Conditioning, Filter, CompensationAbstract
MEMS (Micro Electro Mechanical System) technology is the latest ongoing technology in the current world. Various sensors are being developed using this technology for aerospace and defense applications. The MEMS based piezo-resistive pressure sensors that are fabricated are initially in the die form, integrated with signal conditioning circuit and are packaged suiting to aerospace and defense applications. In this research MAX1452, a highly integrated analog-sensor signal processor optimized for industrial and process control applications is used for signal conditioning which involves amplification, calibration, and temperature compensation. Here an experiment was conducted to interface the wheat-stone bridge sensing circuit to MAX1452, calibrated for set of temperatures, temperature compensated and further tested the signal conditioning circuit with off the shelf available MEMS pressure sensor.
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