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A Low Power 17% Tuning Range Low Phase Noise VCOs using Coupled LC Tanks
Conference proceeding

A Low Power 17% Tuning Range Low Phase Noise VCOs using Coupled LC Tanks

Mahalingam Nagarajan, Kaixue Ma, Kiat Seng Yeo, Shou Xian Mou, Thangarasu Bharatha Kumar and IEEE
2011 INTERNATIONAL CONFERENCE OF ELECTRON DEVICES AND SOLID-STATE CIRCUITS (EDSSC)
IEEE International Conference on Electron Devices and Solid-State Circuits
01/01/2011

Abstract

Engineering Engineering, Electrical & Electronic Physical Sciences Physics Physics, Applied Science & Technology Technology
A fully integrated fundamental and push-push voltage controlled oscillators (VCOs) working in K-band with a large tuning range and a low phase noise fabricated in a 0.18 mu m SiGe BiCMOS technology is presented. To achieve a wide tuning range while maintaining a low VCO tuning sensitivity (K-VCO), the coupled LC tanks and digital tuning capacitors are used. The VCOs achieve a frequency tuning range (FTR) of 17% with a low phase noise consuming 7 mW from 1.8V voltage supply.

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