An ultrasonic transducer array, comprising: a plurality of piezoelectric micromachined ultrasonic transducer elements (104,313), each of the plurality of piezoelectric micromachined ultrasonic transducer elements comprising: an active layer having a first side and a second side; a first electrode (204,317) connected to the first side and a second electrode (205,319) connected to the first side; and a plurality of circuits each of which is connected to a respective one of the plurality of ultrasonic transducer elements, and each of the circuits comprises: a first output connected to the first electrode of the respective one of the plurality of ultrasonic transducer elements and a second output connected to the second electrode of the respective one of the plurality of ultrasonic transducer elements, wherein the first output is connected to a driver circuit and the second output is connected to an inverting driver circuit, and each of the first outputs provides a first voltage signal, each of the second outputs provides a second voltage signal which is time inverted relative to the first voltage signal, and each of the circuits provides a voltage signal to the active layer of its respective one of the plurality of piezoelectric micromachined ultrasonic transducer elements that is equal to a difference between the first voltage signal and the second voltage signal. a plurality of piezoelectric micromachined ultrasonic transducer elements (104,313), each of the plurality of piezoelectric micromachined ultrasonic transducer elements comprising: an active layer having a first side and a second side; a first electrode (204,317) connected to the first side and a second electrode (205,319) connected to the first side; and a plurality of circuits each of which is connected to a respective one of the plurality of ultrasonic transducer elements, and each of the circuits comprises: a first output connected to the first electrode of the respective one of the plurality of ultrasonic transducer elements and a second output connected to the second electrode of the respective one of the plurality of ultrasonic transducer elements, wherein the first output is connected to a driver circuit and the second output is connected to an inverting driver circuit, and each of the first outputs provides a first voltage signal, each of the second outputs provides a second voltage signal which is time inverted relative to the first voltage signal, and each of the circuits provides a voltage signal to the active layer of its respective one of the plurality of piezoelectric micromachined ultrasonic transducer elements that is equal to a difference between the first voltage signal and the second voltage signal. an active layer having a first side and a second side; a first electrode (204,317) connected to the first side and a second electrode (205,319) connected to the first side; and a plurality of circuits each of which is connected to a respective one of the plurality of ultrasonic transducer elements, and each of the circuits comprises: a first output connected to the first electrode of the respective one of the plurality of ultrasonic transducer elements and a second output connected to the second electrode of the respective one of the plurality of ultrasonic transducer elements, wherein the first output is connected to a driver circuit and the second output is connected to an inverting driver circuit, and each of the first outputs provides a first voltage signal, each of the second outputs provides a second voltage signal which is time inverted relative to the first voltage signal, and each of the circuits provides a voltage signal to the active layer of its respective one of the plurality of piezoelectric micromachined ultrasonic transducer elements that is equal to a difference between the first voltage signal and the second voltage signal. a first output connected to the first electrode of the respective one of the plurality of ultrasonic transducer elements and a second output connected to the second electrode of the respective one of the plurality of ultrasonic transducer elements, wherein the first output is connected to a driver circuit and the second output is connected to an inverting driver circuit, and each of the first outputs provides a first voltage signal, each of the second outputs provides a second voltage signal which is time inverted relative to the first voltage signal, and each of the circuits provides a voltage signal to the active layer of its respective one of the plurality of piezoelectric micromachined ultrasonic transducer elements that is equal to a difference between the first voltage signal and the second voltage signal.