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2020 – today
- 2024
[c8]Ik-Hwan Kim, Jeong-Il Seo
, Young-Hwan Choo, Seungchan Park, Jae-Yeol Han, Woosik Kim, Sung-Youb Jung, Taehyuk Ko, Dongsu Kim, Jongwoo Lee, Sungung Kwak:
31.3 A 950ns 0.5-to-5.5V 5G NR RF PA Supply Modulator with Floating Capacitor Control for Symbol Power Tracking. ISSCC 2024: 500-502- 2023
- [c7]Jun-Suk Bang, Dongsu Kim, Young-Hwan Choo, Ik-Hwan Kim, Seungchan Park, Jeongkwang Lee, Sang-Han Lee, Young-Ho Jung, Jae-Young Ko, Sung-Youb Jung, Jae-Yeol Han, Woosik Kim, Ji-Seon Paek, Jongwoo Lee:
5G NR RF PA Supply Modulator Supporting 179ns 0.5-to-5.5V Symbol Power Tracking and Envelope Tracking. VLSI Technology and Circuits 2023: 1-2 - 2022
- [j3]Ji-Seon Paek, Dong-Su Kim, Jae-Yeol Han, Young-Hwan Choo, Jun-Suk Bang, Seungchan Park, Jongbeom Baek, Takahiro Nomiyama, Ik-Hwan Kim, Jongwoo Lee:
Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front End. IEEE J. Solid State Circuits 57(4): 1075-1089 (2022) - [j2]Jeong-Hyun Cho, Dong-Kyu Kim, Hong-Hyun Bae, Yong-Jin Lee, Seok-Tae Koh, Young-Hwan Choo, Ji-Seon Paek, Hyun-Sik Kim:
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 57(12): 3840-3852 (2022) - [c6]Jun-Suk Bang, Dong-Su Kim, Jeongkwang Lee, Sung-Youb Jung, Young-Hwan Choo, Seungchan Park, Young-Ho Jung, Jae-Young Ko, Takahiro Norniyama, Jongbeom Baek, Jae-Yeol Han, Sang-Han Lee, Ik-Hwan Kim, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho:
2-Tx Digital Envelope-Tracking Supply Modulator Achieving 200MHz Channel Bandwidth and 93.6% Efficiency for 2G/3G/LTE/NR RF Power Amplifiers. ISSCC 2022: 1-3 - [c5]Jeong-Hyun Cho, Dong-Kyu Kim, Hong-Hyun Bae, Yong-Jin Lee, Seok-Tae Koh, Young-Hwan Choo, Ji-Seon Paek, Hyun-Sik Kim:
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. ISSCC 2022: 1-3 - 2021
- [c4]Ji-Seon Paek, Dongsu Kim, Jae-Yeol Han, Young-Hwan Choo, Jongwoo Lee:
Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front-End. VLSI Circuits 2021: 1-2
2010 – 2019
- 2019
- [c3]Ji-Seon Paek, Dong-Su Kim, Jun-Suk Bang, Jongbeom Baek, Jeong-Hyun Choi, Takahiro Nomiyama, Jae-Yeol Han, Young-Hwan Choo, Yong-Sik Youn, Euiyoung Park, Sung-Jun Lee, Ik-Hwan Kim, Jongwoo Lee, Thomas Byunghak Cho, Inyup Kang:
An 88%-Efficiency Supply Modulator Achieving 1.08μs/V Fast Transition and 100MHz Envelope-Tracking Bandwidth for 5G New Radio RF Power Amplifier. ISSCC 2019: 238-240 - 2018
- [c2]Takahiro Nomiyama, Yong-Sik Youn, Young-Hwan Choo, Dong-Su Kim, Jae-Yeol Han, Jun-Hee Jung, Jongbeom Baek, Sung-Jun Lee, Euiyoung Park, Jeong-Hyun Choi, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho, Inyup Kang:
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. ISSCC 2018: 434-436 - 2016
- [j1]Ji-Seon Paek, Seung-Chul Lee, Yong-Sik Youn, Dong-Su Kim, Jeong-Hyun Choi, Jun-Hee Jung, Young-Hwan Choo, Sung-Jun Lee, Jae-Yeol Han, Thomas Byunghak Cho:
A - 137 dBm/Hz Noise, 82% Efficiency AC-Coupled Hybrid Supply Modulator With Integrated Buck-Boost Converter. IEEE J. Solid State Circuits 51(11): 2757-2768 (2016) - [c1]Ji-Seon Paek, Yong-Sik Youn, Jeong-Hyun Choi, Dong-Su Kim, Jun-Hee Jung, Young-Hwan Choo, Sung-Jun Lee, Seung-Chul Lee, Thomas Byunghak Cho, Inyup Kang:
20.7 An RF-PA supply modulator achieving 83% efficiency and -136dBm/Hz noise for LTE-40MHz and GSM 35dBm applications. ISSCC 2016: 354-355
Coauthor Index
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