A comprehensive review: ultra-low power all-digital phase-locked loop RF transceivers for biomedical monitoring applications

A Khaliq, J Sampe, FH Hashim, H Abdullah… - … Integrated Circuits and …, 2024 - Springer
This paper comprehensively reviews the evolution and latest advancement of ultra-low All-
Digital Phase Locked Loop (ADPLL) RF transceivers designed specifically for biomedical …

A process-independent and highly linear DCO for crowded heterogeneous IoT devices in 65-nm CMOS

J Gorji, MB Ghaznavi-Ghoushchi - IEEE Transactions on Very …, 2017 - ieeexplore.ieee.org
The Internet of Things (IoT) devices are manufactured under different fabrication quality
standards, considering the wide variety of vendors. As a result, global process variations in …

A 3.83–5.55 GHz high frequency resolution DCO with optimized switched‐capacitor ladder and low‐coupled eight‐shaped transformer

W Zou, L Li, Z Cheng, L Zhang, M Wang… - … Journal of Circuit …, 2023 - Wiley Online Library
A high frequency resolution digitally controlled oscillator (DCO) is proposed for wireless
transceivers, in which the scheme adopts an optimized cascaded differential switched …

Digitally controlled oscillator with high timing resolution and low complexity for clock generation

D Sheng, WY Chen, HT Huang, L Tai - Sensors, 2021 - mdpi.com
This paper presents a digitally controlled oscillator (DCO) with a low-complexity circuit
structure that combines multiple delay circuits to achieve a high timing resolution and wide …

[HTML][HTML] Single inductor-multiple output DPWM DC-DC boost converter with a high efficiency and small area

YJ Park, ZHN Khan, SJ Oh, BG Jang, N Ahmad… - Energies, 2018 - mdpi.com
In this paper, a small-area and high-efficiency single-inductor multiple output (SIMO) boost
converter with digital pulse-width modulation (DPWM) is proposed. The DPWM comprises a …

Digital controlled oscillator (DCO) for all digital phase-locked loop (ADPLL)–a review

F Choong, MI Reaz, MI Kamaruzzaman… - Jurnal …, 2020 - researchportal.hw.ac.uk
Digital controlled oscillator (DCO) is becoming an attractive replacement over the voltage
control oscillator (VCO) with the advances of digital intensive research on all-digital phase …

Time‐to‐digital convertor based on resolution control

A Dehghani, M Saneei, A Mahani - IET Circuits, Devices & …, 2015 - Wiley Online Library
In this paper, a coarse‐fine time‐to‐digital converter (TDC) based on Vernier delay line
(VDL) was proposed. A new digital circuit was developed for tree delay line and this method …

A 0.5~ 0.7 V LC Digitally Controlled Oscillator Based on a Multi-Stage Capacitance Shrinking Technique

Z Wang, H Wu, X Wang, M Shi, S Hu, Y Guo, Z Cai - Electronics, 2019 - mdpi.com
This paper presents a 2.4 GHz LC digitally controlled oscillator (DCO) at near-threshold
supplies (0.5~ 0.7 V). It was a challenge to achieve a low voltage, low power, and high …

A 160-μW, ring digitally controlled oscillator for UHF/VHF nano-satellites broadcasting tuners in 90nm CMOS process

S Saad, M Mhiri, AB Hammadi… - 2015 IEEE 12th …, 2015 - ieeexplore.ieee.org
This paper presents a two-stages 5bit digitally controlled oscillator designed mainly for Nano-
Satellites (Amateur) applications. The structure based on a ring oscillator and implemented …

Self-timed control of two-phase switched capacitor converters

S Mileiko, A Kushnerov, D Sokolov… - … Conference on the …, 2016 - ieeexplore.ieee.org
The paper considers the shoot-through currents in two-phase switched capacitor converters
(SCCs) as switching hazards. Despite the fact that the existing control circuits provide safe …