Capacitive pressure sensors

Once you have determined the type of pressure you need to measure, you can focus on the sensor technology. In a piezoresistive pressure sensor, the pressure exerts a force on a sensitive element which results in a variation in its resistance. Piezoresistive pressure sensors are highly senstive, robust and have good thermal resistance but their output signal is weak. In a piezoelectric pressure sensor, the pressure exerts a force on an element made of piezoelectric...