Young-Hwan Choo
According to our database1,
Young-Hwan Choo
authored at least 11 papers
between 2016 and 2024.
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Bibliography
2024
31.3 A 950ns 0.5-to-5.5V 5G NR RF PA Supply Modulator with Floating Capacitor Control for Symbol Power Tracking.
Proceedings of the IEEE International Solid-State Circuits Conference, 2024
2023
5G NR RF PA Supply Modulator Supporting 179ns 0.5-to-5.5V Symbol Power Tracking and Envelope Tracking.
Proceedings of the 2023 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits), 2023
2022
Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front End.
IEEE J. Solid State Circuits, 2022
A Fully Integrated Multi-Phase Buck Converter With On-Chip Capacitor Dynamic Re-Allocation and Fine-Grained Phase-Shedding Techniques.
IEEE J. Solid State Circuits, 2022
A 1.23W/mm<sup>2</sup> 83.7%-Efficiency 400MHz 6-Phase Fully Integrated Buck Converter in 28nm CMOS with On-Chip Capacitor Dynamic Re-Allocation for Inter-Inductor Current Balancing and Fast DVS of 75mV/ns.
Proceedings of the IEEE International Solid-State Circuits Conference, 2022
2-Tx Digital Envelope-Tracking Supply Modulator Achieving 200MHz Channel Bandwidth and 93.6% Efficiency for 2G/3G/LTE/NR RF Power Amplifiers.
Proceedings of the IEEE International Solid-State Circuits Conference, 2022
2021
Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front-End.
Proceedings of the 2021 Symposium on VLSI Circuits, Kyoto, Japan, June 13-19, 2021, 2021
2019
An 88%-Efficiency Supply Modulator Achieving 1.08μs/V Fast Transition and 100MHz Envelope-Tracking Bandwidth for 5G New Radio RF Power Amplifier.
Proceedings of the IEEE International Solid- State Circuits Conference, 2019
2018
A 2TX supply modulator for envelope-tracking power amplifier supporting intra- and inter-band uplink carrier aggregation and power class-2 high-power user equipment.
Proceedings of the 2018 IEEE International Solid-State Circuits Conference, 2018
2016
A - 137 dBm/Hz Noise, 82% Efficiency AC-Coupled Hybrid Supply Modulator With Integrated Buck-Boost Converter.
IEEE J. Solid State Circuits, 2016
20.7 An RF-PA supply modulator achieving 83% efficiency and -136dBm/Hz noise for LTE-40MHz and GSM 35dBm applications.
Proceedings of the 2016 IEEE International Solid-State Circuits Conference, 2016