the operation is just like the digital phase-locked loop (DPLL) but the design of the building block is all digital circuit. B. Architecture There are some major building blocks in the proposed ADPLL.

A unity gain buffer from the loop filter controls the voltage across the charge pump current sources during phase detector switching ... digital calibration circuit, and integer-N feedback divider to ...

An integer-N digital-sampling phase-locked loop (PLL) based on a noise-shaping SAR (NS-SAR) analog-to-digital converter (ADC) breaks the quantization noise limitation of prior ADC-based phase ...

This work presents two calibration-free 7-nm phase-locked loop (PLL) prototypes with high-frequency reference (high-ref): a 240-MHz-driven conventional xor-phase-detector-based PLL and a ...