Switching mode CMOS frequency multipliers are studied in sub- Terahertz regime. Analysis on the multiplier architectures and optimal gate bias at CMOS switch are investigated to maximize output power at designated harmonics. Utilizing a differential pair, a 195 GHz tripler having a hairpin filter is designed to maximize 3rd harmonics with -14.8 dB of conversion gain (CG) from Pin = +13dBm of the balanced input, while the 260GHz quadrupler utilizes quadruple-push pairs which achieves CG = -16 dB from two +13dBm of the balanced I/Q driving signals in a 65 nm digital CMOS process.
CITATION STYLE
Park, J. D., & Park, J. D. (2014). Design of switching-mode CMOS frequency multipliers in sub-Terahertz regime. IEICE Electronics Express, 11(18). https://doi.org/10.1587/elex.11.20140806
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