Piezoelectric Accelerometers
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In a piezoelectric transducer, the acceleration acts on the seismic mass that develops a force on piezoelectric quartz, or ceramic crystal, or on several crystals. The force causes charges on the crystals proportional to the acceleration.
Piezoelectric transducer, a = acceleration, Q =electrical charge at output Uo = output voltage, 1 = seismic mass, 2 = piezoelectric crystals, 3 = case.
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