A low power wide tuning range low phase noise VCO using coupled LC tanks

Mahalingam Nagarajan,Shou Xian Mou,Yeo Kiat Seng,Thangarasu Bharatha Kumar,Kaixue Ma

doi:10.1109/scd.2011.6068769

A low power wide tuning range low phase noise VCO using coupled LC tanks

Mahalingam Nagarajan, Shou Xian Mou + Show 3 more

https://doi.org/10.1109/scd.2011.6068769

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Publication Date: Sep 1, 2011

Citations: 4

Affiliation: Nanyang Technological University

#Voltage-controlled Oscillator #Low Power Wide Tuning Range + Show 8 more

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Abstract

A fully integrated voltage-controlled oscillator (VCO) working in K-band with a large tuning range and a low phase noise fabricated in a 0.18 µm SiGe BiCMOS technology is presented. To achieve a wide tuning range while keeping a low VCO tuning sensitivity (K <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">VCO</inf> ), the coupled LC tanks are used. The VCO achieves figures of merit (FOMs) greater than −180 dBc/Hz for both phase noise and tuning range with power consumption of 7 mW.

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