ETRI Knowledge Sharing Platform : A 48 GHz 196 dB-FOM LC VCO With Double Cap-Degeneration Negative-Resistance Cell

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Journal Article A 48 GHz 196 dB-FOM LC VCO With Double Cap-Degeneration Negative-Resistance Cell

Cited 1 time in scopus

Citation: IEEE Microwave and Wireless Components Letters, v.18, no.5, pp.341-343

Abstract: This letter presents a 48-GHz capacitively emitter-degenerated LC voltage controlled oscillator (VCO) with double cross-coupled pair showing higher f trans and lower input capacitance than typical cross-coupled pairs. The phase noise of the proposed LC VCO is measured as -114.5 dBc/Hz at 1 MHz offset from 48 GHz carrier, and a current of 6 mA is drawn in the VCO circuit. The proposed VCO shows an excellent figure of merit of -196 dB. © 2006 IEEE.

KSP Keywords: Cross-coupled pair, Figure of Merit(FoM), LC voltage controlled oscillator(LC-VCO), phase noise, voltage-controlled oscillator(VCO)

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