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This paper reports the design and analysis of 21–29-GHz CMOS low-noise amplifier (LNA), balun and mixer in a standard 0.18- m CMOS process for ultra-wideband automotive radar systems. To verify the proposed LNA, balun, and mixer architectures, a simplified receiver front-end comprising an LNA, a double-balanced Gilbert-cell-based mixer, and two Marchand baluns was implemented. The wideband Marchand...
This paper presents the design and analysis of a 21∼29 GHz CMOS receiver front-end (RFE) in a standard 0.18 µm CMOS process for ultra-wideband (UWB) automotive radar systems. The circuit comprises a low-noise amplifier (LNA), a double-balanced Gilbert-cell mixer, and two Marchand baluns. The performance of the mixer was improved with the current-bleeding technique and a parallel resonant inductor...
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