TEC-NOT-012 Piezoelectric effect and charge amplifiers

This paper introduces force and pressure measurement using piezoelectric devices. In particular, the piezoelectric effect is discussed along with circuits used to measure this effect (charge amplifiers). The following topics are discussed:

  • “9.1 Overview” on page 1
  • “9.2 In-line charge converters” on page 1
  • “9.3 Voltage mode charge conversion” on page 2
  • “9.4 Charge mode charge conversion” on page 2
  • “9.5 Conclusion” on page 3
  • “9.6 References” on page 3