QD-PFD: Quasi Dynamic Dead-Zone/Blind-Zone Free PFD With 23 nW-38 μW for 2 MHz-5 GHz Range and 150-ns Settling Time PLL Applications. - A. Ghaemnia; M. B. Ghaznavi-Ghoushchi (IEEE Trans. Circuits Syst. II Express Briefs, 2024)