In this paper, a 2.9 GHz phase-locked loop (PLL) based on a three-stage CMOS ring oscillator is presented. A simplified ring voltage-controlled oscillator is used in the PLL fabricated in 110-nm CMOS ...

Eligible patients had ≥2 documented episodes of PAF or one documented episode combined with ≥2 symptomatic episodes suspected of being AF, were willing to undergo implantation of a Medtronic ...