PUBLICATIONS

Cheolyeong Kim, Sung-Min Son, and Junghwan Han, "****" in preparation

Juhui Jeong, Yujung Kim, and Junghwan Han  (corresponding author), "Blocker-Tolerant Broadband CMOS Low-Noise Amplifier Employing N-Path Filter-Based Load,"  IEEE Access , vol 12, May 2024.

Segyeong Kim, Eunsoo Kim, Junhyeop Kim, and Junghwan Han  (corresponding author), "CMOS Variable-Gain Low-Noise Amplifier Adopting Transformer-Based Noise Cancelling Technique for 5G NR FR2 Applications "  IEEE Access, vol 11, Nov. 2023.

Eunsoo Kim, Segyeong Kim, Gyuwon Kim, and Junghwan Han  (corresponding author), "Dual-band CMOS Down-Conversion Mixer Adopting Band-Switchable Transformer," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 10, Oct. 2023. 

Subin Kim, Juhui Jeong, Byung-Wook Min, and Junghwan Han  (corresponding author), "28-GHz Bidirectional RF CMOS Amplifier Employing Body-Effect Control"  IEEE Microwave and Wireless Technology Letters, vol. 33, no. 6, Jun. 2023.

Beomsoo Bae, Eunsoo Kim, Segyeong Kim, and Junghwan Han  (corresponding author), "Dual-Band CMOS Low-Noise Amplifier Employing Transformer-Based Band-Switchable Load for 5G NR FR2 Applications " IEEE Microwave and Wireless Technology Letters, vol. 33, no. 3, Mar. 2023.

Juhui Jeong, Subin Kim, Sanghun Lee, and Junghwan Han  (corresponding author), "Calibration-Free Blocker Rejection Broadband CMOS Low Noise Amplifier for Advanced Cellular Applications,"  IEEE Access, vol 11, Jan. 2023.

Hyun Bae Ahn, Hong-Gu Ji, Yunho Choi, Sanghun Lee, Dong Min Kang, and Junghwan Han  (corresponding author), "25–31 GHz GaN-Based LNA MMIC Employing Hybrid-Matching Topology for 5G Base Station Applications," IEEE Microwave and Wireless Components Letters, vol. 33, no. 1, Jan. 2023. 

Hyunbae Ahn, Honggu Ji, Dongmin Kang, Sung-Min Son, Sanghun Lee, and Junghwan Han  (corresponding author), "A 26–30 GHz GaN HEMT Low-Noise Amplifier Employing a Series Inductor-Based Stability Enhancement Technique," Electronics, Aug. 2022.

Baeomsoo Bae and Junghwan Han*, “24–40 GHz Dual-Band Highly Linear CMOS Up-Conversion Mixer for mmWave 5G NR FR2 Cellular Applications”, IEEE Microwave and Wireless Components Letters, vol. 32, no. 8, Aug. 2022.

Beomsoo Bae and Junghwan Han*, "24-40 GHz Gain-Boosted Wideband CMOS Down-Conversion Mixer Employing Body-Effect Control for 5G NR Applications." IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 63, no. 3, Mar. 2022.

Beomyu Park, Donggu Lee, Jeongwoo Lee, Junghwan Han, and Kuduck Kwon*, "A 7–9 GHz I/Q Up-Conversion Mixer Employing a Linear Voltage-to-Current Converting Baseband Input Stage for 5G New Radio Cellular Applications," Journal of Circuits, Systems and Computers, vol. 31, No. 8, Jan. 2022.

Donggu Lee, Myunghun Lee, Beomyu Park, Eunju Song, Kyudo Lee, Jeongwoo Lee, Junghwan Han, and Kuduck Kwon*, "24–40 GHz mmWave Down-Conversion Mixer with Broadband Capacitor-Tuned Coupled Resonators for 5G New Radio Cellular Applications," IEEE Access, vol 10, Feb. 2022.

Pilsung Kang and Junghwan Han  (corresponding author), "Dual-band CMOS RF Front-End employing an Electrical-Balance Duplexer and N-path LNA for IBFD and FDD Radios," IEEE Trans. on Microwave Theory and Techniques, vol 69., Issue 7, July 2021.

Youngmin Kim and Junghwan Han  (corresponding author)  et al., “Power-Efficient CMOS Cellular RF Receivers for Carrier Aggregation According to RF Front-End Configuration” IEEE Trans. on Microwave Theory and Techniques., vol. 69, Issue 1, Jan. 2021.

Eunju Song, Sinyoung Kim, Junghwan Han and Kuduck Kwon, “2.4-GHz Quadrature Local Oscillator Buffer Insensitive to Frequency-Dependent Loads for Bluetooth Low Energy Applications”, IEEE Microwave and Wireless Components Letters, vol. 30, no. 4, Oct. 2020.

Junghwan Han and Kuduck Kwon, "I/Q Balance-Enhanced Wideband Receiver Front-End for 2G/3G/4G/5G NR Cellular Applications," IEEE Trans. on Circuits and Systems-I: Regular Papers, vol. 67, no. 6, June 2020

Junghwan Han and Kuduck Kwon, "RF Receiver Front-End Employing IIP2-Enhanced 25% Duty-Cycle Quadrature Passive Mixer for Advanced Cellular Applications," IEEE Access, vol 8, Jan. 2020

Junghwan Han, "A Bandwidth Switchable Cellular CMOS RF Receiver Front-End for Intra-Band Carrier Aggregation," Microwave and Optical Technology Letters, vol 62, Jan. 2020. 

Kuduck Kwon, Junghwan Han (corresponding author) and I. Nam, “Wideband Receiver Front-end Employing a New Fine RF Gain Control Driven by Frequency-Translated Impedance Property,” IEEE Microwave and Wireless Components letters, vol. 25, no. 4, April 2015.

Junghwan Han and Kuduck Kwon, “A SAW-Less Receiver Front-End Employing Body-Effect Control IIP2 Calibration,” IEEE Trans. on Circuits and Systems-I: Regular Papers, vol. 61, no. 9, Sep. 2014.

Kuduck Kwon and Junghwan Han (corresponding author), “A 2G/3G/4G SAW-Less Receiver Front-End Adopting Switchable Front-End Architecture,” IEEE Trans. on Microwave Theory and Techniques., vol. 62, Issue 8, Aug. 2014.

Junghwan Han and Ranjit Gharpurey, "Recursive Receiver Down-converters with Multiband Feedback and Gain-reuse," IEEE Journal of Solid-State Circuits, vol 43, Issue 5, May 2008 – Best Paper Award of the year 2008.

Youngmin Kim, Junghwan Han,  et al., "A Current-efficient Wideband Cellular RF Receiver for Multi-Band Inter- and Intra-Band Carrier Aggregation using 14nm FinFET CMOS ”, 2017 IEEE RFIC Symposium, 2017

Youngmin Kim, Junghwan Han,  et al., "An RF Receiver for Multi-band Inter- and Intra-band Carrier Aggregation”, 2016 IEEE RFIC Symposium, 2016

Junghwan Han and Ranjit Gharpurey, "Analysis of Third-order Intermodulation in Receiver Down-converter with Multiband Feedback," IEEE Dallas Circuits and Systems Workshop, 2007

Junghwan Han and Ranjit Gharpurey, "A 3.5mW 900MHz Down-converter with Multiband Feedback and Device Transconductance Reuse," IEEE Custom Integrated Circuits Conference (CICC), 2007

Junghwan Han and Ranjit Gharpurey, "A 2.5mW 900MHz Receiver Employing Multiband Feedback with Bias Current Reuse", 2007 IEEE RFIC Symposium, 2007     - Invited to the special issue of the IEEE Journal of Solid State Circuits on RFIC

Junghwan Han and Ranjit Gharpurey, "Receiver Down-converter with Multiband Feedback and Gain-Reuse for Low-Power Applications ," Austin Conference on Integrated Systems and Circuits (ACISC), 2007

Ranjit Gharpurey, Junghwan Han and Srinivasan Venkataraman, "A Low-power Signal-recycling Mixer and Baseband Amplifier with Current Reuse," IEEE International Symposium on Circuits and Systems (ISCAS), 2006

Beomsoo Bae and Junghwan Han, "A Wideband CMOS Down-conversion Mixer for 5G FR2 Applications" IDEC Journal of Integrated Circuits and Systems, vol. 8, no. 3, July 2022

Hyunbae Ahn, Honggu Ji, Dongmin Kang, Sung-Min Son, and Junghwan Han, "28 GHz 대역 5G FR2 통신 기지국용 GaN 저잡음 증폭기 MMIC 설계," Journal of The Institute of Electronics and Information Engineers, vol. 59, no.5, May 2022

Woorin Kim, Sejune Park, Hyun-base Ahn, Hong-Gu Ji, Sanghoon Lee, and Junghwan Han, "5G FR2 통신을 위한 28GHz 대역 GaN 저잡음 증폭기 개발," 2021 한국전자파학회 추계학술대회, vol.31, No.1, Nov. 2021

Sekyung Kim,  Eansoo Kim, Jinje Park, and Junghwan Han, "Multi-Standard RF Front-End Design for IoT Applications," 2021 Radio Science and Communication Conference, Nov. 2021

Hyun-bae Ahn, Hong-Gu Ji, Dong-Min Kang, Beom-soo Bae, and Junghwan Han, "Design of a Ka-Band High Efficiency Power Amplifier MMIC Based on GaN HEMT Technology for 5G Base Station," 2021 한국전자파학회 하계학술대회, vol.9, No.1, Aug. 2021

Hyun-bae Ahn, Beom-soo Bae, and Junghwan Han, "높은 스커트 특성을 가지는 X-band 레이더용 소형 헤어핀 필터의 설계," 2021 한국전자파학회 하계학술대회, vol.9, No.1, Aug. 2021

Hyun-Bae Ahn, Hong-Gu Ji, Dong-Min Kang, and Junghwan Han, "28 GHz 대역 5G 기지국용 GaN 저잡음 증폭기 MMIC 설계," 대한전자공학회 학술대회, pp. 83-86, June 2021

Pilsung Kang and Junghwan Han, "Mid-band CMOS RF Front-End Design for In-band Full Duplex," 2020 Radio Science and Communication Conference, Nov. 2020

Pilsung Kang, Jieun Hwang and Junghwan Han, "CMOS Dual-Bandwidth Low-Noise Amplifier for Cellular Applications," 2019 Radio Science and Communication Conference, Nov. 2019

Taejong Kim, Junghwan Han, and Kuduck Kwon, "Notch-Filtered Low-Noise Amplifier for 3G/4G Cellular Applications," 2019 SoC학술대회, May 2015

Junghwan Han and Kuduck Kwon, "An Adaptive RF Receiver Front-End for Advanced Cellular Applications," The 15th International SOC Design Conference (ISOCC 2018), Oct. 2018

Junghwan Han and Youngmin Kim,  "An RF Receiver Front-End for Multi Inter- and Intra-Band Carrier Aggregation  using CMOS Technologies",  The 25th Korean Conference on Semiconductors, Feb. 2018  (제25회 한국반도체학술대회)

Junghwan Han, "Active mixer and method for improving noise and gain" U.S.A Patent Granted,  US2022/0085761A1 (2022. 03.17)

Junghwan Han, "2차 비선형성 개선을 위한 수동 믹서 및 주파수 변환기 " Korea Patent Granted, 10-2338073 (2021.12.07)

Junghwan Han, "Wireless communication datalink system of smart munition and communication method thereof " Korea Patent Granted, 10-21979880000 (2020.12.28)

Junghwan Han, "Quadrature passive mixer and frequency down-converter for enhancing IIP2" U.S.A Patent Gradnted,  US10,855,226 (2020, 12,01)

Junghwan Han and K. Kwon, “IIP2 calibration method of a mixer in a wireless communication system and mixer using the same” – Korea Patent Granted, 10-2046138 (2019.11.12)

Junghwan Han, "Appratus and method for improving input-referred 2nd order intercept point of mixer in wireless communication system"  Korea Patent Granted, 10-17937340000 (2017.10.30)

Junghwan Han, and Kuduck Kwon, “IIP2 calibration method of a mixer in a wireless communication system and the mixer the same”, USA Patent filed, 14/063346 (2013. 10. 25), U.S.A. Patent Granted, US09276620, (2016. 03. 01.) 

Junghwan Han, "Active mixer and method for improving noise and gain" Korea Patent Pending,  10-2020-0117031 (2020. 09.11)

Junghwan Han, "A quadrature passive mixer with enhanced IQ mismatch performance " Korea Patent Pending,  10-2019-0053673 (2019. 05.08)