A bidirectional circuit for actuation and read-out of resonating sensors

  title={A bidirectional circuit for actuation and read-out of resonating sensors},
  author={Mehdi Azadmehr and Belal K. Khajeh and Yngvar Berg},
  journal={2014 IEEE Faible Tension Faible Consommation},
In this paper we have demonstrated a novel approach for actuation and read-out of resonating sensors. In this approach, instead of reading the amplitude of the resonating beam in resonance, we use the frequency of the beam as a measure of the sensors response. By using a bidirectional amplifier a pulse is sent to a resonating sensor in one direction and the frequency response of the sensor is measured using the opposite direction of the amplifier. This approach results in more compact and more… CONTINUE READING
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