Vol. 25

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2011-11-04

A Compact Size Low Power and Wide Tuning Range VCO Using Dual-Tuning LC Tanks

By Shouxian Mou, Kaixue Ma, Kiat Seng Yeo, Nagarajan Mahalingam, and Bharatha Kumar Thangarasu
Progress In Electromagnetics Research C, Vol. 25, 81-91, 2012
doi:10.2528/PIERC11091308

Abstract

A novel 12 GHz VCO designed and fabricated in a 0.18 μm SiGe BiCMOS technology is presented. Strongly magnetic coupled dual LC tanks with fixed and tunable capacitive elements are introduced to extend tuning range and improve phase noise. By hybrid using of varactor tuning, loaded transformer tuning and switched capacitor tuning, the proposed VCO achieves a wide tuning range of 4.3 GHz (36%) and output power of -9 dBm with only 4.5 mW power consumption and only 0.17 mm2 chip area.

Citation


Shouxian Mou, Kaixue Ma, Kiat Seng Yeo, Nagarajan Mahalingam, and Bharatha Kumar Thangarasu, "A Compact Size Low Power and Wide Tuning Range VCO Using Dual-Tuning LC Tanks," Progress In Electromagnetics Research C, Vol. 25, 81-91, 2012.
doi:10.2528/PIERC11091308
http://www.jpier.org/PIERC/pier.php?paper=11091308

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