%0 Journal Article %T A 1.9-GHz Direct Conversion Transmitter IC with Low Power On-Chip Frequency Doubler %A Otaka, Shoji %A Fujimoto, Ryuichi %A Tanimoto, Hiroshi %J Analog Integrated Circuits and Signal Processing %V 25 %N 3 %P 261-269 %@ 0925-1030 %D 2004-10-01 %I Kluwer Academic Publishers %~ DeepDyve