2024
DOI: 10.3390/technologies12030035
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A 28 GHz Highly Linear Up-Conversion Mixer for 5G Cellular Communications

Chul-Woo Byeon

Abstract: In this paper, we present a highly linear direct in-phase/quadrature (I/Q) up-conversion mixer for 5G millimeter-wave applications. To enhance the linearity of the mixer, we propose a complementary derivative superposition technique with pre-distortion. The proposed up-conversion mixer consists of a quadrature generator, LO buffer amplifiers, and an I/Q up-conversion mixer core and achieves an output third-order intercept point of 15.7 dBm and an output 1 dB compression point of 2 dBm at 27.6 GHz, while it con… Show more

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