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Ultrasonic Driver

  • US 20140265725A1
  • Filed: 03/15/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A circuit, comprising:

  • an ultrasonic transducer having a driver side and a bias voltage side;

    a higher voltage source electrically connected to the bias voltage side of the ultrasonic transducer through a first resistor;

    a lower voltage source electrically connected to the driver side of the ultrasonic transducer through a second resistor; and

    a switch having a source, a gate and a drain, the source electrically connected to ground, the gate electrically connected to a control signal source, the drain electrically connected to the lower voltage source through the first resistor and electrically connected to the driver side of the ultrasonic transducer.

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