A DPD/Dither-Free DPLL Based on a Cascaded Fractional Divider and Pseudo-Differential DTCs Achieving a 62.1-dBc Fractional Spur

D Xu, Z Liu, Y Kuai, H Huang, Y Zhang… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
This article presents a 7-GHz fractional-N digital phase-locked loop (DPLL) without any
digital pre-distortion (DPD) on the integral nonlinearity (INL) of the digital-to-time converter …

Digital Phase-Locked Loops: Exploring Different Boundaries

Y Zhang, D Xu, K Okada - IEEE Open Journal of the Solid-State …, 2024 - ieeexplore.ieee.org
This article examines the research area of digital phase-locked loops (DPLLs), a critical
component in modern electronic systems, from wireless communication devices to RADAR …

Calibration of parametric error of digital-to-time converters

MH Perrott - US Patent 11,632,116, 2023 - Google Patents
US11632116B2 - Calibration of parametric error of digital-to-time converters - Google
Patents US11632116B2 - Calibration of parametric error of digital-to-time converters …

Low power digital-to-time converter (DTC) linearization

ASC Li, T O'sullivan, J Yu, Y Tang - US Patent 11,632,230, 2023 - Google Patents
US11632230B2 - Low power digital-to-time converter (DTC) linearization - Google Patents
US11632230B2 - Low power digital-to-time converter (DTC) linearization - Google Patents …

Type-I PLLs for phase-controlled applications

M Perin, S Dal Toso, K Waheed, CG Rey - US Patent 11,545,982, 2023 - Google Patents
(Continued) Primary Examiner Adam D Houston (57) ABSTRACT A type I phase locked loop
(PLL) includes an oscillator and a feedback path to a phase detector. The PLL is configured …

Fractional divider with phase shifter and fractional phase locked loop including the same

LIM Baekmin, S Kim, S Oh - US Patent 11,777,510, 2023 - Google Patents
A fractional divider processing circuitry is to receive one of a plurality of clock signals as an
input clock signal, and generate a first division clock signal based on the input clock signal …

DTC nonlinearity correction

H Zhang, A Jain, Y Chen, RS Casey, W Lin… - US Patent …, 2024 - Google Patents
Embodiments herein describe correcting nonlinearity in a Digital-to-Time Converter (DTC)
by relaxing a DTC linearity requirement, which results in the correction being co-adapted …

Apparatus and methods for improved transmit power

YH Chang, PC Huang, PA Wu, WH Chiu… - US Patent …, 2023 - Google Patents
US11601156B2 - Apparatus and methods for improved transmit power - Google Patents
US11601156B2 - Apparatus and methods for improved transmit power - Google Patents …