A MB-OFDM UWB transmitter with on-chip transformer and LO leakage calibration for WiMedia bandgroup 1 is presented. The measurements show a gain-flatness of 1dB, an LOLRR of -53dBc/-43dBc (wi/o cali), an EVM of 2.2% with a power consumption of 22mW and an area of 1.26mm2.
