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A 0.1–1.5GHz harmonic rejection (HR) receiver front-end is presented. A flexible HR mixer is proposed to correct phase ambiguity, and a vector gain calibration is used to eliminate the gain/phase mismatch and improve the HR ratio. With the proposed hybrid 8 phase local oscillating (LO) generator, the highest carrier frequency from the frequency synthesizer is only twice of the desired LO frequency...
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