This paper present 5 GHz LC VCO designs fabricated in 0.13 mum SOI and bulk CMOS process technologies. Technology advantages, considerations, and trade-offs are compared for high performance VCO design. A methodology for designing a low FOM VCO is given. The SOI VCO achieves a phase noise of -131 dBc/Hz at a 1 MHz offset and consumes 6 mW. The bulk VCO has a phase noise of -132 dBc/Hz at a 1 MHz offset and draws 6.2 mW. Both of these VCOs achieve a FOM value of nearly -200 dBc/Hz
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Solid-State and Integrated Circuit Technology, 2006. ICSICT '06. 8th International Conference on
Date of Conference: 23-26 Oct. 2006