Trending IC design directions in 2022

CH Chan, L Cheng, W Deng, P Feng… - Journal of …, 2022 - iopscience.iop.org
For the non-stop demands for a better and smarter society, the number of electronic devices
keeps increasing exponentially; and the computation power, communication data rate, smart …

Fully-integrated timers for ultra-low-power Internet-of-Things nodes—Fundamentals and design techniques

MHW Loo, H Ramiah, KM Lei, CC Lim, NS Lai… - IEEE …, 2022 - ieeexplore.ieee.org
Driven by the momentum toward compact and low-power Internet-of-Things (IoT) systems,
the research on fully-integrated and energy-efficient kHz-to-MHz timers increased …

A 12-/13.56-MHz Crystal Oscillator With Binary-Search-Assisted Two-Step Injection Achieving 5.0-nJ Startup Energy and 45.8-s Startup Time

H Li, KM Lei, RP Martins, PI Mak - IEEE Journal of Solid-State …, 2023 - ieeexplore.ieee.org
This article reports a 12-/13.56-MHz fast-and-energy-efficient startup crystal oscillator (XO)
featuring a binary-search-assisted two-step injection technique for ultralow-power duty …

A Fast Startup Crystal Oscillator Using Impedance Guided Chirp Injection in 22 nm FinFET CMOS

H Luo, S Kundu, T Huusari, S Shahraini… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
An Impedance Guided Chirp Injection (IGCI) oscillator-based fast startup technique is
proposed in this work demonstrating startup time between 5 and 100 across a wide range of …

A 16-MHz Crystal Oscillator With 17.5-s Start-Up Time Under 10-ppm-F Injection Using Automatic Phase-Error Correction

Z Wang, X Wang, KM Lei, W Zhang… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
Ast start-up crystal oscillators (XOs) based on energy injection with an auxiliary oscillator
(AO) are efficacious in improving the energy consumption of duty-cycled the Internet of …

A 0.5-V 6.14-W Trimming-Free Single-XO Dual-Output Frequency Reference With 5.1-nJ, 120-s XO Start-Up and 8.1-nJ, 200-s Successive-Approximation …

R Luo, KM Lei, RP Martins… - IEEE Journal of Solid-State …, 2024 - ieeexplore.ieee.org
This article presents a trimming-free single-crystal dual-output (SXDO) frequency reference
that incorporates an on-chip 1-MHz real-time clock (RTC) calibrated against a 16-MHz …

A Fast Startup 38.4-MHz Crystal Oscillator Achieving 99-nJ Startup Energy with Adaptive Chir**

A Rahmani, H Ramiah, KM Lei, CC Lim, NS Lai… - IEEE …, 2024 - ieeexplore.ieee.org
Shortening the startup time of a crystal oscillator is critical in improving the energy efficiency
of the Internet of Things (IoT) sensor nodes. This article presents an investigative study on …

Investigating the impact of supply voltage fluctuations on phase noise in quartz crystal oscillators

L Xu, P Ye, S Liao, C Chen, G Zhu, F Tan - Review of Scientific …, 2024 - pubs.aip.org
The impact of power supply voltage fluctuations on the phase noise of quartz crystal
oscillators (XOs) remains an open issue. Currently, there is a lack of comprehensive …

A Quick Startup Low-Power Hybrid Crystal Oscillator for IoT Applications

M Miyahara, Z Xu, T Ishii, N Kimura - IEICE Transactions on …, 2023 - search.ieice.org
In this paper, we propose a hybrid crystal oscillator which achieves both quick startup and
low steady-state power consumption. At startup, a large negative resistance is realized by …

Realizing Ultra-Low Phase Noise 100MHz Crystal Oscillator Utilizing Modified Leeson Model

L Xu, P Ye, F Tan, C Chen… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
This paper presents the design and implementation of an ultra-low phase noise 100MHz
crystal oscillator, along with the development and simplification of its noise theory. Specific …