Abstract — A fully integrated 10 GHz LC voltage controlled oscillator is presented. The VCO is implemented in 6 metal 0.18�m CMOS process. The VCO achieves a wide tuning range of 20.1 % (10.20 GHz to 12.48 GHz), and provides an output power of –3 dBm, while drawing 22.7mA from 2.2V power supply. The measured phase noise is –125.33 dBc/Hz at 1 MHz offset from the carrier at 10.3GHz. The VCO figure of merit is a record low –188 dBc/Hz. I
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