Design and Application of Virtual Inductance of Square-Shaped Defected Ground Structure in 0.18- $mu ext{m}$ CMOS Technology

Design and Application of Virtual Inductance of Square-Shaped Defected Ground Structure in 0.18- $mu ext{m}$ CMOS Technology

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This paper investigates a possibility of application of a virtual inductor realized by an integrated defected Water Bottles ground structure (DGS) to design a front-end circuit in CMOS technology.Two types of DGS are analyzed and found that the inductance realized by a square-shaped DGS achieves smaller size and higher quality factor than an H-shaped DGS.Then, a 15-GHz low phase noise voltage-controlled oscillator (VCO) employing the proposed square-shaped DGS in 0.18-μm 1P6M CMOS technology is designed.The fabricated VCO operates from 15.

2 to 16.12 GHz and consumes 5-mW power.The measured phase noise is -132.08 dBc/Hz at 10-MHz offset frequency, and this results Liebherr IKBP2760 BioFresh Performance 140cm Built In Integrated Larder Fridge in the figure of merit (FoM) and FoM taking account of the area to be 189.1 and 199.

9 dB, respectively.