Low-Phase-Noise CMOS VCO with harmonically tuned LC Tank

A low phase noise VCO has been demonstrated using a harmonically tuned LC Resonance tank. The VCO has an operating frequency of 1 GHz and a Phase noise of -111 dBc/Hz at 100 KHz offset. The VCO has been fabricated on a 0.35um CMOS process.

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