Patent ID: 7932753

Claim:
A potential converter circuit for converting a bipolar input signal to a unipolar output signal, the circuit comprising: a first switch coupled between an input and an output and comprising a first switching capacitance; a second switch coupled between the output and a reference potential and comprising a second switching capacitance; and a control, wherein the control is configured for controlling the first switch using a first control signal and the second switch using a second control signal, wherein the first and second control signals are derived from the input signal; wherein the first switch and the second switch are configured for charging and discharging the switching capacitances of the switches only at a change of potential of the input signal, and wherein the control is configured for closing or opening the first switch at a positive signal value of the input signal using the first control signal, and for opening or closing the second switch using the second control signal, and for opening or closing the first switch at a negative signal value of the input signal using the first control signal, and for closing or opening the second switch using the second control signal.