Personal profile
In Korean
소철 교수(IT대학/전자공학부)
Education
o (2015) B.A., KAIST, Daejeon, South Korea
o (2017) M.A., KAIST, Daejeon, South Korea
o (2022) Ph.D., KAIST, Daejeon, South Korea
o (2017) M.A., KAIST, Daejeon, South Korea
o (2022) Ph.D., KAIST, Daejeon, South Korea
Professional Experience
o (2025~Present) Assistant Professor, Kyungpook National University, Daegu, South Korea
o (2023~2025) Postdoctoral Researcher, University of California, Santa Barbara(UCSB), Santa Barbara, CA, US
o (2022~2023) Postdoctoral Researcher, KAIST, Daejeon, South Korea
o (2023~2025) Postdoctoral Researcher, University of California, Santa Barbara(UCSB), Santa Barbara, CA, US
o (2022~2023) Postdoctoral Researcher, KAIST, Daejeon, South Korea
Research Interests
o Analog and high speed integrated circuits
o Radar sensors (IoT, automotive, medical, military...)
o Transceivers for wireless communication (5G/6G)
o Phased array and MIMO technologies
o Integrated sensing and communication (ISAC)
o Radar sensors (IoT, automotive, medical, military...)
o Transceivers for wireless communication (5G/6G)
o Phased array and MIMO technologies
o Integrated sensing and communication (ISAC)
Major Research Achievements
o "A 60 GHz I/Q-Calibrated SSB-Mixer-Based LO with Sub-ns Settling Time and –56 dBc Worst-case Spur Using ILO Filter in 28nm CMOS,” IEEE International Solid-State Circuits Conference(ISSCC), 2025.
o “A V-band Four-Channel Phased Array Transmitter Front-end With 0.7o Phase Step and 20 dB Gain Dynamic Range,” in IEEE Transactions on Microwave and Techniques(TMTT), 2024.
o A 60 GHz Variable-Gain Phase Shifter With an Active RL Poly-phase Filter,” in IEEE Transactions on Microwave and Techniques(TMTT), 2023.
o A V-Band Differential Push-Push Frequency Doubler With a Current-Reuse gm-Boosted Buffer,” in IEEE Microwave and Wireless Components Letter(MWCL), 2023.
o “A V-band Four-Channel Phased Array Transmitter Beamforming IC With 0.7o Phase Step and 20 dB Gain Dynamic Range,” in IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2023.
o “A 60 GHz Variable Gain Phase Shifter Based on Body Floated RF-DAC Structure,” in IEEE Transaction on Circuits and Systems Ⅱ: Express Briefs(TCASⅡ), 2022.
o “A 60-GHz Variable-Gain Phase Shifter With Particular-Sized Digital-RF Cells,” in IEEE Transactions on Microwave and Techniques(TMTT), 2021.
o “A V-band Four-Channel Phased Array Transmitter Front-end With 0.7o Phase Step and 20 dB Gain Dynamic Range,” in IEEE Transactions on Microwave and Techniques(TMTT), 2024.
o A 60 GHz Variable-Gain Phase Shifter With an Active RL Poly-phase Filter,” in IEEE Transactions on Microwave and Techniques(TMTT), 2023.
o A V-Band Differential Push-Push Frequency Doubler With a Current-Reuse gm-Boosted Buffer,” in IEEE Microwave and Wireless Components Letter(MWCL), 2023.
o “A V-band Four-Channel Phased Array Transmitter Beamforming IC With 0.7o Phase Step and 20 dB Gain Dynamic Range,” in IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2023.
o “A 60 GHz Variable Gain Phase Shifter Based on Body Floated RF-DAC Structure,” in IEEE Transaction on Circuits and Systems Ⅱ: Express Briefs(TCASⅡ), 2022.
o “A 60-GHz Variable-Gain Phase Shifter With Particular-Sized Digital-RF Cells,” in IEEE Transactions on Microwave and Techniques(TMTT), 2021.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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A 60GHz I/Q-Calibrated SSB-Mixer-Based LO with Sub-ns Settling Time and -56dBc Worst-Case Spur Using ILO Filter in 28nm CMOS
Oh, J., So, C., Kim, H., Hong, S. & Cho, S., 2025, 2025 IEEE International Solid-State Circuits Conference, ISSCC 2025. Institute of Electrical and Electronics Engineers Inc., p. 334-336 3 p. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
2 Scopus citations -
A V-Band Four-Channel Phased-Array Beamforming Transmitter with Integrated Antenna Array
Hwang, H. S., So, C. & Hong, S., 2025, APMC 2025 - 2025 Asia-Pacific Microwave Conference. Institute of Electrical and Electronics Engineers Inc., (Asia-Pacific Microwave Conference Proceedings, APMC).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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A V-Band Four-Channel Phased Array Transmitter Front-End with 0.7° Phase Step and 20 dB Gain Dynamic Range
So, C., Sung, E. T. & Hong, S., 1 May 2024, In: IEEE Transactions on Microwave Theory and Techniques. 72, 5, p. 2799-2808 10 p.Research output: Contribution to journal › Article › peer-review
9 Scopus citations -
A 60-GHz Variable-Gain Phase Shifter With an Active RL Poly-Phase Filter
So, C., Sung, E. T. & Hong, S., 1 Feb 2023, In: IEEE Transactions on Microwave Theory and Techniques. 71, 2, p. 593-601 9 p.Research output: Contribution to journal › Article › peer-review
23 Scopus citations -
A V-Band Differential Push–Push Frequency Doubler With a Current-Reuse gm-Boosted Buffer
So, C. & Hong, S., 1 Mar 2023, In: IEEE Microwave and Wireless Technology Letters. 33, 3, p. 299-302 4 p.Research output: Contribution to journal › Article › peer-review
17 Scopus citations