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A sine-LO square-law harmonic-rejection mixer—theory, implementation, and application
2014
IEEE transactions on microwave theory and techniques
A square-law harmonic-rejection mixer (SL-HRM) driven by a sine local oscillator (LO) is proposed for wideband and tunable rejection of all LO harmonics. The key performances including the gain, noise figure (NF), input-referred third-order intercept point (IIP3), and harmonic rejection ratio (HRR) with respect to the amplitude and purity of the sine-LO are analyzed. In the circuit level, the SL-HRM incorporates a voltage-boosted technique to surmount the gain and NF penalties of square-law
doi:10.1109/tmtt.2013.2294865
fatcat:7umkl6yekzdgvjz2xw6nxf46pe