A 30-GHz class-F quadrature DCO using phase shifts between drain–gate–source for low flicker phase noise and I/Q exactness

X Chen, Y Hu, T Siriburanon, J Du… - Ieee Journal of Solid …, 2023 - ieeexplore.ieee.org
In this article, we present a low phase noise (PN) mm-wave quadrature digitally controlled
oscillator (DCO) exploiting transformers for class-F operation and harmonic extraction. A …

A Dual-Alternating-Slope Digital-to-Time Converter Leveraging Mismatch to Improve Delay Step Size

N Jain, EAM Klumperink, H van Rumpt… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
This article introduces a dual-alternating-slope digital-to-time converter (DASDTC) topology
that reduces the dependency of DTC delay on component values and power supply. A …

A Low Phase Noise Crystal Oscillator with a Fast Start-Up Bandgap Reference for WLAN Applications

P Wu, P Li, X Chen, P Cheng, J Zhu - Applied Sciences, 2023 - mdpi.com
This article presents the design and implementation of a 40 MHz crystal oscillator (XO) with
low phase noise, based on the 55 nm CMOS process, for wireless transceiver systems …

A 10-bit 563-fs Step Constant-Slope Digital-to-Time Converter in 40-nm CMOS With Nonlinearity Cancellation and Range Extension Techniques

Y Liu, H Gao, H Xu, P Lu, N Yan - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper presents a power-efficient constant-slope digital-to-time converter (DTC) with
embedded nonlinearity cancellation. By utilizing the capacitor based digital-to-analog …