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Matches in SemOpenAlex for { <https://semopenalex.org/work/W3162507188> ?p ?o ?g. }

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• W3162507188 abstract "A voltage-controlled oscillator (VCO) is usually designed by maximizing the quality (Q-) factor of the LC-tank resonator to realize a low phase noise. For the same frequency, the ratio of C/L affects the loaded Q-factor ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$text{Q}_{mathrm{ L}}$ </tex-math></inline-formula> ) and then phase noise of the VCO. This affect has not been considered so far in the design of VCO because the conventional on-chip spiral inductor cannot be optimized for C/L ratio. This brief first investigates the effects of C/L ratio on the phase noise, and a design methodology for optimized C/L ratio using defected ground structure (DGS) resonator is presented. Then, the resonators were further evaluated based on Lg <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>L</sub> -product simulation for a fixed <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$text{I}_{mathrm{ bias}}$ </tex-math></inline-formula> . Employing the proposed resonator, a very low phase noise <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$text{K}_{mathrm{ U}}$ </tex-math></inline-formula> -band VCO is designed and implemented in 0.18- <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$mu text{m}$ </tex-math></inline-formula> CMOS technology. The measurement result shows that the proposed VCO has a phase noise of −110.77 dBc/Hz at 1 MHz offset of 17.5 GHz carrier frequency and a frequency tuning range of 8.7%. The VCO consumes 2.3 mW power, which results in a figure of merit (FoM) of −191.95 dB." @default.
• W3162507188 created "2021-05-24" @default.
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• W3162507188 date "2021-12-01" @default.
• W3162507188 modified "2023-09-23" @default.
• W3162507188 title "Design of Low Phase Noise VCO Considering C/L Ratio of LC Resonator in 0.18-μm CMOS Technology" @default.
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• W3162507188 doi "https://doi.org/10.1109/tcsii.2021.3079309" @default.
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