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Performance review of integrated CMOS VCO circuits for wireless communications

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6 Author(s)
M. Rachedine ; Motorola, Libertyville, IL, USA ; D. Kaczman ; A. Das ; M. Shah
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This paper reviews monolithically integrated CMOS voltage controlled oscillators (VCO) for wireless communications. The key challenges in VCO development include: design of a high Q tank on a substrate tailored for CMOS, multiband operation using a single VCO, enhanced manufacturability using digital frequency tuning, and optimization of the overall VCO topology for low power operation. Recent developments in each of these areas are examined and a comparison of various VCO topologies versus figure of merit (FOM) is presented.

Published in:

Radio Frequency Integrated Circuits (RFIC) Symposium, 2003 IEEE

Date of Conference:

8-10 June 2003