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We report a low phase noise transformer-coupled CMOS VCO using a bias-level shifting technique. Two fully integrated voltage-controlled oscillators (VCOs) are presented as a proof of concept. A conventional LC VCO with a current source achieves a phase noise of -116.67 dBc/Hz at 1 MHz offset from the 5.6 GHz center frequency, taking 3.9 mA from a 1.5 V(More)
—This paper presents the measurement and characterization of multilayered interconnect capacitances for a 0.35-m CMOS logic technology, which become a critical circuit limitation to high performance VLSI design. To measure multilayered capacitances of nonstacked, stacked, and orthogonally crossing interconnect lines, new test structures and measurement(More)
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