Paper List (10 ISSCC, 7 VLSI)
J-H. Bae, J-S. Paek et al., “A Digital Envelope Tracking RF Power Amplifier Achieving 400MHz Channel Bandwidth and 91.9% Efficiency for Upper-Mid Band Extreme Massive MIMO 6G Communications ,” IEEE Symposium on VLSI Circuits, 2025.
J-S. Bang, J-S. Paek et al., “5G NR RF PA Supply Modulator Supporting 179ns 0.5-to-5.5V Symbol Power Tracking and Envelope Tracking,” IEEE Symposium on VLSI Circuits, 2023.
W. Kim, J-S. Paek et al., “A Fully Integrated IEEE 802.15.4/4z Compliant 6.5-8GHz UWB System-on Chip RF Transceiver Supporting Precision Positioning in CMOS 28nm Process ,” IEEE ISSCC, 2023.
J-S. Paek et al., “Fully Integrated 2x2 MIMO Real Simultaneous Dual Band WiFi CMOS Power Amplifiers,” IEEE Symposium on VLSI Circuits, 2022.
S. Kim, J-S. Paek et al., “A 3nm GAAFET Analog Assisted Digital LDO with High Current Density for Dynamic voltage Scaling Mobile Applications,” IEEE Symposium on VLSI Circuits, 2022.
J-S. Bang, J-S. Paek et al., “2-Tx Digital Envelope-Tracking Supply Modulator Achieving 200MHz Channel Bandwidth and 93.6% Efficiency for 2G/3G/LTE/NR RF Power Amplifiers,” IEEE ISSCC, 2022.
J-H. Cho, J-S. Paek, H-S. Kim et al., “A 1.23W/mm2 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,” IEEE ISSCC, 2022.
J-S. Paek et al., “A 5G New Radio SAW-less RF Transmitter with a 100MHz Envelope Tracking HPUE n77 Power Amplifier Module,” IEEE Symposium on VLSI Circuits, 2021.
J-S. Paek et al., “Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front-End,” IEEE Symposium on VLSI Circuits, 2021.
D. Kim, J-S. Paek et al., “A Hybrid Switching Supply Modulator Achieving 130MHz Envelope Tracking Bandwidth and 10W Output Power for 2G/3G/LTE/NR RF Power Amplifiers,” IEEE ISSCC, 2021.
J. Baek, J-S. Paek et al., “A Voltage-Tolerant Three-Level Buck-Boost DC-DC Converter with Continuous Transfer Current and Flying Capacitor Soft Charger Achieving 96.8% Power Efficiency and 0.87μs/V DVS Rate,” IEEE ISSCC, 2020.
J-S. Paek et al., “An 88%-Efficiency Supply Modulator Achieving 1.08μs/V Fast Transition and 100MHz Envelope-Tracking Bandwidth for 5G New Radio RF Power Amplifier,” IEEE ISSCC, 2019.
J-S. Paek et al., “A 90ns/V Fast-Transition Symbol-Power-Tracking Buck Converter for 5G mm-Wave Phased-Array Transceiver,” IEEE ISSCC, 2019.
T. Nomiyama, J-S. Paek et al., “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 ,” IEEE ISSCC, 2018.
J-S. Paek et al., “An RF-PA supply modulator achieving 83% efficiency and -136dBm/Hz noise for LTE-40MHz and GSM 35dBm applications ,” IEEE ISSCC, 2016.
S. Sung, J-S. Paek, et al., “86.55% Peak efficiency envelope modulator for 1.5W 10MHz LTE PA without AC coupling capacitor,” IEEE Symposium on VLSI Circuits, 2015.
S-C. Lee, J-S. Paek et al., “A hybrid supply modulator with 10dB ET operation dynamic range achieving a PAE of 42.6% at 27.0dBm PA output power,” IEEE ISSCC, 2015.