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A 2.4/5.7-GHz dual-band Weaver-Hartley architecture, using 0.18-m CMOS technology, is demonstrated in this paper. The 2.4-GHz signal is set to be the image signal when the desired signal is at 5.7 GHz, and vice versa. Since the Weaver and Hartley systems are combined into this architecture, the demonstrated architecture rejects not only the first image signal, but also the secondary image signal. The image-rejection ratios of the first image signal and the secondary image signal are better thandoi:10.1109/tmtt.2008.2012300 fatcat:gwk5md2aujfijalojau5x6medy