Transistor-level integer-N PLL targeting ~5 GHz in 90 nm CMOS (GPDK090) - PFD, charge pump, ring VCO, and /48 TSPC divider, simulated in Cadence Spectre
vlsi cadence-virtuoso mixed-signal cmos pll analog-design ring-oscillator vco charge-pump frequency-divider phase-locked-loop 90nm tspc integer-n
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Updated
Oct 3, 2026