Current-pumped battery charger
LR Chen, JJ Chen, NY Chu… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
A novel current-pumped battery charger (CPBC) is proposed in this paper to increase the Li-
ion battery charging performance. A complete charging process, consisting of three …
ion battery charging performance. A complete charging process, consisting of three …
A CMOS low-power transceiver with reconfigurable antenna interface for medical implant applications
T Copani, S Min, S Shashidharan… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
A low-power transceiver for medical implant communication service is presented. The
device consists of three subsystems, which perform wake-up signal reception, data-link …
device consists of three subsystems, which perform wake-up signal reception, data-link …
A 0.5-V 560-kHz 18.8-fJ/cycle on-chip oscillator with 96.1-ppm/° C steady-state stability using a duty-cycled digital frequency-locked loop
On-chip oscillators are popular clocking solutions for a wide range of circuits and systems
due to their ease of integration and low form factor, but their energy efficiency is typically …
due to their ease of integration and low form factor, but their energy efficiency is typically …
A low-power and wide-range MEMS capacitive sensors interface IC using pulse-width modulation for biomedical applications
This paper presents a low power, compact, and low-complexity pulse-width modulation-
based interface circuit for capacitive MEMS sensors. The circuit is designed using a ring …
based interface circuit for capacitive MEMS sensors. The circuit is designed using a ring …
Design of a high-speed differential frequency-to-voltage converter and its application in a 5-GHz frequency-locked loop
HT Bui, Y Savaria - IEEE Transactions on Circuits and Systems I …, 2008 - ieeexplore.ieee.org
This paper presents a new algorithm and circuit implementation for high-speed frequency-to-
voltage converters (FVC). The proposed system overcomes the deficiencies of a previously …
voltage converters (FVC). The proposed system overcomes the deficiencies of a previously …
A 2.4-GHz ring-VCO-based time-to-voltage conversion PLL achieving low-jitter and low-spur performance
J Hu, R Zou, Y Yao, J He, D Wang - Microelectronics Journal, 2024 - Elsevier
Ring oscillator (RO)-based frequency synthesizers have been widely used in Systems on
Chip (SoCs) due to their tiny active area and broad tuning range. However, they also …
Chip (SoCs) due to their tiny active area and broad tuning range. However, they also …
A 405-MHz All-Digital Fractional- Frequency-Locked Loop for ISM Band Applications
Several wireless biomedical transceivers, including medical implants communication
systems (MICSs), require ultra-low-power low-complexity frequency synthesizers. This paper …
systems (MICSs), require ultra-low-power low-complexity frequency synthesizers. This paper …
A CMOS energy harvesting interface circuit with cycle-to-cycle frequency-to-amplitude conversion MPPT for centimeter-scale wind turbine
An energy harvesting (EH) system is proposed to extract energy from a centimeter-scale
electromagnetic (EM) micro wind turbine. To improve the end-to-end efficiency, an …
electromagnetic (EM) micro wind turbine. To improve the end-to-end efficiency, an …
A MEMS interface IC with low-power and wide-range frequency-to-voltage converter for biomedical applications
This paper presents an interface circuit for capacitive and inductive MEMS biosensors using
an oscillator and a charge pump based frequency-to-voltage converter. Frequency …
an oscillator and a charge pump based frequency-to-voltage converter. Frequency …
A Full Digital Fractional- TAF-FLL for Digital Applications: Demonstration of the Principle of a Frequency-Locked Loop Built on Time-Average-Frequency
L **u, X Wei, Y Ma - IEEE Transactions on Very Large Scale …, 2019 - ieeexplore.ieee.org
Time-average-frequency (TAF) is a novel concept proposed in 2008 for constructing clock
signal. TAF direct period synthesis (TAF-DPS) is an emerging frequency synthesis technique …
signal. TAF direct period synthesis (TAF-DPS) is an emerging frequency synthesis technique …