Systems and methods providing a transmitter for transmitting signals in a near-field communication (NFC) frequency band are disclosed. According to embodiments, a transmitter for transmitting signals in a near-field communication frequency band comprises an antenna, a first current source for generating a first current to excite the antenna, a first detector for detecting a first voltage at an output of the first current source, and means for reducing the current output by the first current source if the detected first voltage exceeds a first predefined threshold. An integrated circuit of embodiments may comprise the foregoing transmitter. A transmitter configuration of embodiments, including means for reducing the current, provides for limited distortion in the transmitted signal and reducing the risk of components in the transmitter being damaged.