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International Journal

*Corresponding author

[Submitted/Under Review]

  1. Jisu Kim and Juntaek Oh*, "A Ku-Band Inverse Class-F Power Amplifier with Independent Harmonic Controlled Matching Network," Under 2nd-round review

  2. Namkyung Lee and Juntaek Oh*, "A Wideband CMOS Low-Noise Amplifier with Tri-Coupled Transformer based Noise-Canceling and gm-Boosting Technique," Under 2nd-round review

  3. Eojin Kim, Jaemin Shin, and Juntaek Oh*, "Automated RF Power Amplifier Design Framework Based on Topology-Superset Schematic for Joint Topology and Parameter Optimization," Under review​​

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​[Published/Aceepted]

  • 2026​

  1. Jaemin Shin, Eojin Kim and Juntaek Oh*, "An Automated Power‑Amplifier Design Framework Using TL‑SRFT and Machine Learning‑Assisted Optimization for High Efficiency and Linearity," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Early Access, 2026.

  2. Jisu Kim and Juntaek Oh*, "Ku-band Class-F VCO Based on Independent Third Harmonic Controlled Resonator,"  IEEE Microw. Wirel. Tech. Lett., Early Access, 2026.

  3. Hyunwoo Kim, Sanghyun Park, Woongkyu Lee, Young-Ha Hwang, Juntaek Oh, and Hojin Lee, "Depletion-Mode a-IGZO TFTs AM-OLED Pixel Circuit for VTH Shift Compensation and Capacitance Deviation Tolerance," Journal of the Society for Information Display, vol. 14,  no. 11, 886-895, Nov. 2026.

  4. Yeonsoo Kim, Namkyung Lee, Do Hyeon Kim, Sun K. Hong, and Juntaek Oh*, "A 11.3–19.4 GHz Wideband CMOS LNA employing a Triple-Coupled Transformer for Upper-Mid Band Applications," International Journal of Circuit Theory and Applications, vol. 54, no. 11, 5269-5276, Nov. 2026.

  5. Seongick Jo, Geonwoo Lee, and Juntaek Oh*, "A 9.0–20.0 GHz CMOS Variable Gain Amplifier with Wide Tuning Range and Minimized Phase Errors Using Current Reuse and Reactance Compensation," IEEE Microw. Wirel. Tech. Lett., vol. 36, no. 11, pp. 1797-1800, Nov. 2026. 

  6. Yeonseo Choi, Daju Lee, and Juntaek Oh*, "Harmonic Reflection Rectenna Capable of All-Polarization Reception for Wireless Power Transfer Antenna Alignment,"  IEEE ACCESS, vol. 14, pp. 118550-118558, Aug. 2026.

  7. Eunseo Chae and Juntaek Oh*, "A Co-Designed Band-Pass-Filter-Based Extended Continuous class-B/J Power Amplifier," IEEE ACCESS, vol. 14, pp. 91932-91944, Jun. 2026.

  8. Doheung Yu, Taehoon Kim, Sooyuong Oh, Juntaek Oh, Byungkuon Ahn, and Sun K. Hong, "Corrugated Horn Antenna with Perforated Dielectric Lens for High-Temperature High-Pressure Environment," Scientific Reports,  Vol. 16, Art. no. 20831, May 2026. 

  9. Daju Lee and Juntaek Oh*, "Wideband Self-Interference Canceller for Monostatic Co-Circularly Polarized In-Band Full-Duplex Systems," IEEE ACCESS, vol. 14, pp. 8854-8862, Jan. 2026.

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  • 2025​

  1. Dana Moon and Juntaek Oh*, "High-Efficiency Broadband Continuous Class-F Power Amplifier Using an Independent Harmonic Termination Load Network," IEEE ACCESS, vol. 13, pp. 215972-215979, Dec. 2025.

  2. Yeonsoo Kim, Sooyoung Oh, Kyungbin Cho, Hojin Lee, Sun K .Hong , and Juntaek Oh*, "High-Efficiency Millimeter-Wave Scalable Rectenna Array with Individual Impedance Control," International Journal of Circuit Theory and Applications, vol. 53, no. 11, pp. 6143-6151, Nov. 2025.

  3. Geonwoo Lee, Namkyung Lee, and Juntaek Oh*, "OOK Harmonic Rectifier-Modulator for Self-Aligning Wireless IoT Sensor Nodes with Uncompromised Efficiency," IEEE ACCESS, vol. 13, pp. 176977-176984, Oct. 2025.

  4. Hyunjae Jeon, Seongick Jo, and Juntaek Oh*, "Rectifier Array with Wide Input Power and Frequency Ranges Using Harmonic Controllable Impedance Compression Network," Alexandria Engineering Journal, vol. 129, pp. 271-277, Oct. 2025.

  5. Sooyoung Oh, Yeonsoo Kim, Kyungbin Cho, Hojin Lee, Juntaek Oh, and Sun K. Hong, "Millimeter-wave 2D Retrodirective Beamformer based on Waveguide Rotman Lens," IEEE ACCESS, vol. 13, pp. 131053-131060, Jul. 2025.

  6. Wonryeol Lee, Taeyong Jeong, Daju Lee, Kyusik Woo, Kang-Yoon Lee, Chang-Ryul Yun, Chulhun Seo, Juntaek Oh, Keum Cheol Hwang*, and Sun K. Hong*, "Fully Digital Phased Array Harmonic Radar for Detecting Concealed Electronic Devices," IEEE Journal of Microwaves, vol. 5, no. 4, pp. 868-881, Jul. 2025.

  7. Namkyung Lee, Jisu Kim, Do Hyeon Kim, Sun K. Hong and Juntaek Oh*, "A 9.2–18-GHz Sub-3.5-dB NF CMOS Low Noise Amplifier Using Current-Reuse Stacked Inverter with Inductive Series Peaking," IEEE ACCESS, vol 13, pp. 82421-82430, May 2025.

  8. Yeonsoo Kim, Bitchan Kim, and Juntaek Oh*, "High-Efficiency Dual-Band Rectifier with Extended Dynamic Frequency Ranges based on Independent Dual-Band Impedance Control," Journal of Electromagnetic Engineering and Science, vol. 25, no. 1, pp. 1-7, Jan. 2025.

  9. Eojin Kim, Yeonsoo Kim, and Juntaek Oh*, "Highly Efficient Dual-Band Rectifier Based on Symmetric Impedance Control Network," IEEE ACCESS, vol. 13, pp. 21594-21599, Jan. 2025.

  10. Jaemin Shin and Juntaek Oh*, "High Efficiency Class-F Rectifier Based on Harmonic-Controlled Voltage Doubler with Extended Input Power and Frequency Range," IEEE Journal of Microwaves, vol. 5, no. 1, pp. 130-136, Jan. 2025.

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  • 2024

  1. Seongick Jo, Jisu Kim, and Juntaek Oh*, "Harmonic Reflection Rectenna for Precise Wireless Power Transfer Antenna Alignment," IEEE ACCESS, vol. 12, pp. 63014-63022, May 2024.

  2. Bitchan Kim and Juntaek Oh*, "Dual-Band Continuous Class-F−1 Power Amplifier with Second-Harmonic Suppression for Harmonic Radar Systems," IEEE ACCESS, vol. 12, pp. 62358-62364, May 2024.

  3. Dana Moon, Jisu Kim, and Juntaek Oh*, "Two-Tone Suppressed Third-Order Intermodulation Transponder Based on Transmission-Line-Based Fourth-Order Filter Combined Matching Network," IEEE ACCESS, vol.12, pp 43918-43923, Mar. 2024.

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  • 2023

  1. Namkyung Lee, Daju Lee, and Juntaek Oh*, "Wideband Harmonic Backscattering Rectifier for Energy-Efficient Localization in Wireless Power Transfer Systems," IEEE Microw. Wirel. Tech. Lett., vol. 33, no. 11, pp. 1568-1571, Nov. 2023.

  2. Daju Lee and Juntaek Oh*, "Compact Low Loss Reflection-type Harmonic Transponder for Battery-less RFID sensors based on harmonic backscattering," Journal of Electromagnetic Engineering and Science, vol. 23, no. 5, pp 418-422, Jul. 2023.

  3. Jisu Kim, Bitchan Kim, Sooyoung Oh, and Juntaek Oh*, "Harmonic Transponder Sensor based on Independent Impedance Control for Motion Sensing," IEEE ACCESS, vol.11, pp 88703-88710, Aug. 2023.

  4. Jisu Kim, Sun K. Hong, and Juntaek Oh*, "Highly Efficient Power Amplifier based on Harmonic-Controlled Matching Network," IEEE Microw. Wirel. Tech. Lett., vol. 33, no. 1, pp 43-46, Jan. 2023.

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  • 2022

  1. Sooyoung Oh, Hong Soo Park, Juntaek Oh, and Sun K. Hong*, "Circularly Polarized S/C Dual-Band Antenna for Nonlinear Detection," IEEE Antennas  Wirel. Propag. Lett., vol. 21, no. 7, pp. 1467-1471, Jul. 2022.

  2. Daju Lee and Juntaek Oh*, "Broad Dual-Band Rectifier with Wide Input Power Ranges for Wireless Power Transfer and Energy Harvesting," IEEE Microw. Wirel. Compon. Lett., vol. 32, no. 6, pp. 599-602, Jun. 2022.

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  • 2021

  1. Daju Lee and Juntaek Oh*, "Rectifier Array Based on Efficient Power Recycling with Extended Ranges of Input Power and Frequency," Microw. Opt. Tech. Lett., vol. 31, pp. 2387-2391, May 2021.

  2. Jisu Kim and Juntaek Oh*, "Compact Rectifier Array with Wide Input Power and Frequency Ranges Based on Adaptive Power Distribution," IEEE Microw. Wirel. Compon. Lett., vol. 31, no. 5, pp. 513-516, May 2021.

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  • 2020

  1. Dong-Jun Shin, Ui-Gyu Choi, Juntaek Oh, and Jong-Ryul Yang*, "5.8-GHz Highly Efficient Class E-1 Frequency Doubler Using a Transmission-Line-Based Notch Filter," Microw. Opt. Tech. Lett., vol. 18, no. 8, Aug. 2020.

  2. Jisu Kim, Jong-Ryul Yang, and Juntaek Oh*, "Reconfigurable Hybrid Matrix-based Power Divider with Variable Power-Dividing Ratios and Frequencies," Electron. Lett., vol. 56, no. 17, pp 889-891, Aug. 2020.​

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  • ~2020

  1. Juntaek Oh and Jong-Ryul Yang*, “5-MHz pseudo-differential current-mode CMOS relaxation VCO with temperature stability of 41.8 ppm/°C,“ Journal of Semiconductor Technology and Science, vol. 19, no. 6, Dec. 2019.

  2. Jae-Hyun Park, Yeo-Jin Jeong, Ga-Eun Lee, Juntaek Oh*, and Jong-Ryul Yang*, “915-MHz Continuous-Wave Doppler Radar Sensor for Detection of Vital Signs,” Electronics, vol. 8, no. 5, May 2019.

  3. Juntaek Oh, Jingyu Jang, and Songcheol Hong, “A 40‐GHz hybrid class‐AB/class‐B CMOS VCO with a current‐combining transformer,” Microw. Opt. Tech. Lett., vol. 60, no. 6, Jun. 2018.

  4. Juntaek Oh, Jingyu Jang, and Songcheol Hong, “A fully integrated W‐band pulse compression radar CMOS transceiver,” Microw. Opt. Tech. Lett., vol. 59, no. 10, Nov. 2017.

  5. Jingyu Jang, Juntaek Oh, Choul-Young Kim, and Songcheol Hong, “A 79 GHz Adaptive-Gain and Low-Noise UWB Radar Receiver Front-End in 65 nm CMOS,” IEEE Trans. Microw. Theory Techn., vol. 64, no. 3, pp. 859–867, Mar. 2016.

  6. Juntaek Oh, Jingyu Jang, and Songcheol Hong, “Highly efficient W-band 2.5 GHz bandwidth pulse generator with −1dBm output power in 65 nm CMOS,” Electron. Lett., vol. 52, no. 3, Feb. 2016.

  7. Juntaek Oh, Jingyu Jang, Choul-Young Kim, and Songcheol Hong, “A W-Band 4-GHz Bandwidth Phase-Modulated Pulse Compression Radar Transmitter in 65-nm CMOS,” IEEE Trans. Microw. Theory Techn., vol. 63, no. 8, pp. 2609–2618, Aug. 2015.

  8. Juntaek Oh, Jingyu Jang, Choul-Young Kim, and Songcheol Hong, “A W-Band High-Efficiency CMOS Differential Current-Reused Frequency Doubler,” IEEE Microw. Wirel. Compon. Lett., Vol. 25, no. 5, May 2015.

  9. Juntaek Oh, Bonhyun, Ku, and Songcheol Hong, “A 77-GHz CMOS Power Amplifier with a Parallel Power Combiner Based on Transmission-Line Transformer,” IEEE Trans. Microw. Theory Techn., vol. 61, no. 7, pp. 2662–2669, Jul. 2013.

Domestic Journal

*Corresponding author

  1. Jisu Kim, Hyunjae Jeon, Geonwoo Lee, and Juntaek Oh, “Ka-Band CMOS Power Amplifier Based on Asymmetric Parallel Power Combiner with Shared Linearizer," Journal of Integrated Circuits and Systems, vol. 12, no. 4, pp. 6-11, Oct. 2026.

  2. Dana Moon, Jisu Kim, and Juntaek Oh, “Ku-Band Class-J CMOS Power Amplifier Using Sequential Harmonic Impedance Technique," Journal of Integrated Circuits and Systems, vol. 12, no. 4, pp. 513-516, Oct. 2026.

  3. Sooyoung Oh, Taeyong Jung ,Hyungseok Nam , Jisu Kim, Juntaek Oh, Chulhun Seo, Keum Cheol Hwang, and Sun K. Hong, "Design of FMCW-Based Nonlinear Radar System and Its Performance Test," Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 35, no. 10, pp. 810–815, Oct. 2024.

  4. Dana Moon, Jisu Kim, Daju Lee, and Juntaek Oh*, "GaN HEMT Power Amplifier for S-band 2nd Harmonic-based Target Detection Radar," Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 35, no. 7, pp. 608–611, Jul. 2024.

  5. Daju Lee, Chang-Sik Bae, Jong-Wha Song, Sung-Tai Kim, and Juntaek Oh*, "Self-Interference Cancellation Technology Using Symmetrical Delay Line-based Ladder Structure RF-FIR Filter," Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 35, no. 7, pp. 528–534, Jul. 2024.

  6. Jisu Kim and Juntaek Oh, “K-band CMOS High-Power Harmonic Response Rectifier for Nonlinear Detection based Wireless Power Transfer," Journal of Integrated Circuits and Systems, vol. 9, no. 4, Oct. 2023.

  7. Sungyu Kim, Jisu Kim, and Juntaek Oh*, “S-Band Wideband Harmonic Transponder with Wide Input Power Range,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 34, no. 4, pp. 283–288, Apr. 2023.

  8. Seonaeng Cho, Jisu Kim, and Juntaek Oh*, “Design of 915 MHz low-loss through-type harmonic transponder​,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 33, no. 12, pp. 966–969, Dec. 2022.

  9. Bitchan Kim, Daju Lee, Jisu Kim, and Juntaek Oh*, “A high-efficiency multi-mode rectifier array based on variable power distribution,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 33, no. 6, pp. 454–459, Jun. 2022.

  10. Hyunah Park, Bitchan Kim, and Juntaek Oh*, “Ultra-wideband compact rectifier based on coupled transmission-line network,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 33, no. 4, pp. 278–283, Apr. 2022.

  11. Bitchan Kim, Daju Lee, and Juntaek Oh*, “High-efficiency rectifier based on transmission-line transformer with wide input power and frequency ranges,“ Journal of Korean Institute of Electromagnetic Engineering and Science,vol. 33, no. 3, pp. 206–211, Mar. 2022.

  12. Bitchan Kim, Daju Lee, and Juntaek Oh*, “Highly efficient rectifier based on a matched voltage doubler with wide input power and frequency range,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 33, no. 2, pp. 160–163, Feb. 2022.

  13. Jaewon Jang, Jisu Kim, and Juntaek Oh*, “S-band GaN HEMT power amplifier based on the harmonic control matching network,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 32, no. 11, pp. 1027–1030, Nov. 2021.

  14. Changmin Kim, Kichul Kim, and Juntaek Oh*, “A K-/Ka-Band CMOS Power Amplifier with a Matched Cascode Power Cell,“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 32, no. 8, pp. 1–4, Aug. 2021.

  15. Daju Lee, Kichul Kim, Juman Park, and Juntaek Oh*, “Highly efficient rectifier array using a two-section branch-line coupler for simultaneous wireless information and power transfer (SWIPT),“ Journal of Korean Institute of Electromagnetic Engineering and Science, vol. 32, no. 7, pp. 670–673, Jul. 2021.

Integrated Circuits and Systems Laboratory

Department of Quantum Information Engineering, Sungkyunkwan University

© 2018 Copyright by ICSL in Sungkyunkwan University

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