Abstract:This work proposes a quasi-passive reconfigurable complex filter with harmonic rejection based on N-path filtering technique. It features extremely low power consumption and reconfigurable center frequencies. Unlike the traditional N-path filters at RF frequencies, the proposed filter achieves 3rd/5th harmonic rejection at the adjacent frequencies by cascading the N-path filters with different clock frequencies. The filter is implemented in a 55 nm CMOS technology, consumes an area of 0.24 mm 2 including all p… Show more
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