Pet ownership reduces the odds of hypertension and elevated BP in children.

A 14GHz digitally controlled oscillator (DCO) is proposed for all-digital phase-locked loop (ADPLL). With a cascade differential-capacitor array, the resolution of DCO is enhanced, which leads to a decrease in quantization noise, while area cost and substrate noise are also significantly reduced. In addition, a resistor-biased DCO output buffer is used to cut down phase noise by eliminating flicker and thermal noise conventional current-mirror structure brings. The proposed DCO is designed in 14nm FinFET process, achieving a phase noise of -110dBc/Hz at 1MHz offset and a frequency resolution of 7kHz. DCO operates in a frequency range of 17.8%, with a 0.017 mm 2 core area. The DCO consumes 6.3mW from a 0.8V supply voltage.

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