An ultrasound device comprising: a capacitive ultrasonic transducer ; a bipolar pulser coupled to the capacitive ultrasonic transducer and configured to provide, from an output terminal, a bipolar input signal to the capacitive ultrasonic transducer during a transmit mode of operation of the ultrasound device ; a receiving circuit configured to process an electrical signal output by the capacitive ultrasonic transducer; and a symmetric switch comprising a first NMOS transistor and a second NMOS transistor , the symmetric switch having an input terminal coupled between the output terminal of the bipolar pulser and the capacitive ultrasonic transducer and having an output terminal coupled to the receiving circuit , wherein the first NMOS transistor has a first gate, a first source and a first drain and the second NMOS transistor has a second gate, a second source and a second drain, and wherein the first gate is connected to the second gate, an electric potential of the first gate and the second gate being controlled by a first control signal via a first terminal (G), and the first source is connected to the second source, an electric potential of the first source and the second source being controlled by a second control signal via a second terminal (S), the symmetric switch being operated in a closed state during a receive mode of operation of the ultrasound device , and wherein when being operated into an open state during the transmit mode of operation the first gate and the first source are coupled or couplable to a first same electric potential at a first time, and to a second same electric potential at a second time, the second same electric potential being set to a negative voltage, and wherein a value of the first control signal and a value of the second control signal are independently settable to the first same electric potential at the first time and to the second same electric potential at the second time. a capacitive ultrasonic transducer ; a bipolar pulser coupled to the capacitive ultrasonic transducer and configured to provide, from an output terminal, a bipolar input signal to the capacitive ultrasonic transducer during a transmit mode of operation of the ultrasound device ; a receiving circuit configured to process an electrical signal output by the capacitive ultrasonic transducer; and a symmetric switch comprising a first NMOS transistor and a second NMOS transistor , the symmetric switch having an input terminal coupled between the output terminal of the bipolar pulser and the capacitive ultrasonic transducer and having an output terminal coupled to the receiving circuit , wherein the first NMOS transistor has a first gate, a first source and a first drain and the second NMOS transistor has a second gate, a second source and a second drain, and wherein the first gate is connected to the second gate, an electric potential of the first gate and the second gate being controlled by a first control signal via a first terminal (G), and the first source is connected to the second source, an electric potential of the first source and the second source being controlled by a second control signal via a second terminal (S), the symmetric switch being operated in a closed state during a receive mode of operation of the ultrasound device , and wherein when being operated into an open state during the transmit mode of operation the first gate and the first source are coupled or couplable to a first same electric potential at a first time, and to a second same electric potential at a second time, the second same electric potential being set to a negative voltage, and wherein a value of the first control signal and a value of the second control signal are independently settable to the first same electric potential at the first time and to the second same electric potential at the second time. <EOS>