Conferences

2025

• H. Ahn, J. Jeong, P. Assyifa, J. Kim, J. W. Nam, J. Kim, and J. Han “A 4-to-7GHz, 52.3dB SFDR, and 48K Noise Temperature Cryo-CMOS Based Noise-Canceling Receiver for Superconducting Multi-Qubits Read-Out,” IEEE ASSCC, Nov. 2025.

• T. Tran-Dinh, H. U. Mahmood, J. Xu, K. Kim, K.-S. Choi, J. Lee, J. Ko, S.-G. Lee, and J. Kim “Multi-Band​ ​LPWAN​ ​Transceiver​ ​with​ ​Two-Step​ ​Wake-Up​ ​Receiver​ ​and​ ​Switched-Capacitor​ ​PA-Based​ ​Transmitter​ ​Achieving​ ​-125​ ​dBm​ ​Sensitivity,​ ​6.7​ ​μW​ ​at​ ​1​ ​s​ ​Wake-Up​ ​Latency,​ ​and​ ​1​ ​Mbps​ ​BFSK​ ​Modulation,” IEEE ASSCC, Nov. 2025.

• A. S. W. Sau, H. A. Azzahra, M. F. Mauludin, Xi​.​Zhu,​ ​J-W​ ​Nam​, and J. Kim, “Phase Manipulation VCO Employing Current Harmonic Cancellation Achieving 5 dB Phase Noise Reduction at 1/f^3 Region,” IEEE APCCAS, Oct. 2025.

• G. Park, Y. Han, S. Yeo, J. Kim, and K. Cho “A 9-72V Input to 1-2.2V Output Single-Inductor Multi-Path Multi-Stage Hybrid DC-DC Converter Achieving 87.8% Peak Efficiency with 110m-Ohms DCR Inductor,” IEEE ESSERC, Sep. 2025.

• 김수현, 김연수, 유은지, 이구현, 이시형, 박재윤, 김주성, and 남재원 “다중 큐비트 제어 펄스 생성을 위한 Pulse Shaping 모듈 설계,” 대한전자공학회, 하계학술대회, 2025.

• H. Yoo, M. F. Mauludin, Y. Kim, S.-H. Kim, E.-J. Yoo, J.-Y. Park, J. Kim, and J.-W. Nam “MASH Digital Delta-Sigma Modulators for the CMOS Qubit Controller,” IEEE ISVLSI, Jul. 2025. 

• A. S. W. Sau, H. A. Azzahra, M. F. Mauludin, and J. Kim, “A High-Efficiency NRMGC Based VCO with Enhanced Transconductance and Low Phase Noise,” IEEE LASCAS, Feb. 2025. 

2024

• H.-U. Mahmood, K-M. Kim, D. Tran, J. Xu, A. Qahir, J. Ko, J. Kim, S.-G. Lee, and K. Choi “A 24% Efficient, 15.36 dBm Output Power, Multi-Standard Digital Polar Transmitter with 7-bit Phase Interpolator-based BFSK Modulator and 23 dB Sidelobe Suppressed PA for Low-Power Wide Area Networks,” IEEE ASSCC, Nov. 2024. 

• H. Chae, H. A. Azzahra, H. Ahn, and J. Kim, “A 5.8 GHz Bootstrap Rectifier for Wireless RF Power Transfer,” IEEE ISOCC, Aug. 2024. 

• A. Putri, A. M. Rafli, K. Cho, and J. Kim, “34.8 dB Gain, 7.7 GHz Unity Gain Frequency, 4.2 mW Operational Transconductance Amplifier with Current Re-used Feed-Forward Technique,” IEEE ISOCC, Aug. 2024. 

2023

• S. Yeo, U. Hyun, M. Kim, J. Kim, and K. Cho, “A 19.8W/29.6W Hybrid Step-Up/Down DCDC Converter with 97.2% Peak Efficiency for 1-Cell/2-Cell Battery Charger Applications,” Proc. IEEE Symposium on VLSI Technology and Circuits (VLSI), June. 2023. 

• H. A. Azzahra and J. Kim, “16 – 18 GHz Class-C Voltage Controlled Oscillator (VCO) with Noise Circulating Technique,” JCCI, Apr. 2023. 

• M. F. Mauludin and J. Kim, “A low-jitter 14 – 18 GHz frequency sub-sampling based PLL with ILFD-4,” JCCI, Apr. 2023. 

• M. F. Mauludin, Y. Ji, and J. Kim, “A Low-Power Stacking Amplifier with 1.29 Noise Efficiency Factor for Neural Recording Applications,” IEIE ICEIC, Feb. 2023. 

• J. Kim, G. Koo, S. Yeo, J. Kim, J. Kim, and K. Cho, “Averaged Switch Model for AC-to-DC LED Lighting Driver Based on Peak Current Control,” IEIE ICEIC, Feb. 2023. 

2022

• J. Xu, K-M. Kim, H.-U. Mahmood, J. Kim, and S.-G. Lee “An n79 Sub-1dB Noise Figure Highly Linear Variable-Gain LNA Employing Adaptive Imbalanced Bleeding for 5G NR,” IEEE ASSCC, Oct. 2022. 

• H. Jung, K.-S. Choi, K.-M. Kim, D. Jo, J. Lee, J. Kim, J. Ko, and S.-G. Lee “CMOS Fractional-N Frequency Synthesizer for UHF RFID Reader Applications With Transformer-Based ISF Manipulation VCO,” IEEE ISICAS, Oct. 2022. 

2021

• J. Kim, H. Lim, D.-H. Lee, and S. Hong, “Current-mode Dielectric Spectroscopy for Liquid Permittivity Measurement,” IEEE ISICAS, Dec. 2021. 

• M. F. Mauludin, D.-H. Lee, and J. Kim, “Wideband Operational Trans-conductance Amplifier with Feed-forward Compensation Technique,” IEEE ISOCC, Oct. 2021. 

• K. Lee, D.-H. Lee, and J. Kim, S. Hong, “Wideband LC VCO with 39.3% Frequency Tuning Range for Dielectric Spectroscopy System,” IEEE ISOCC, Oct. 2021 (ISOCC 2021 Synopsys Award). 

• J. Kim, H. Jung, D. R. Utomo, S.-K. Han, and S.-G. Lee,“An 80 MHz Bandwidth and 26.8 dBm OOB IIP3 Transimpedance Amplifier with Improved Nested Feedforward Compensation and Multi-Order Filtering,” IEEE ISCAS, May. 2021. 

• R. Gyaang, D.-H. Lee, M. F. Mauludin, and J. Kim, “Design of a Low Noise Amplifier Employing On-Chip Notch Filters for Blocker Rejection,” IEIE ICEIC, Jan. 2021. 

2020

• R. Gyaang, D.-H. Lee, and J. Kim, “Design and Validation of a Blocker Rejection LNA with On-chip Dual-Notch Filters,” IEEE ISOCC, Oct. 2020. 

• J. Kim, J. Jiang, A. I. Karsilayan, J. Silva-Martinez, and J. Xiao,“A 3 to 6 GHz Highly Linear I-Channel Receiver with Over +3.0 dBm In-band P1dB and 200 MHz Baseband Bandwidth Suitable for 5G Wireless and Cognitive Radio Applications,” IEEE ISCAS, Oct. 2020. 

• J. Kim, H.-S. Jo, K.-J. Lee, D.-H. Lee, D.-H. Choi, and S. Kim,“A Low-complexity I/Q Imbalance Calibration Method for Quadrature Modulator,” IEEE ISCAS, Oct. 2020. 

2018

• S. Shin, R. Dzuhri, H. Jung, S.-K. Han, S.-G. Lee, and J. Kim, “A 22.8-to-32.4 GHz Injectionlocked Frequncy Tripler with Source Degeneration,” IEEE ISOCC, Nov. 2018. 

• H. Jung, R. Dzuhri, S. Shin, S.-K. Han, S.-G. Lee, and J. Kim, “Ka-band RF Front-End with 5dB NF and 16dB conversion gain in 45nm CMOS technology,” IEEE ISOCC, Nov. 2018.

2017

• J. Kim, R. Dzuhri, D. Anjana, S.-K. Han, and S.-G. Lee, “DC-40GHz RF Front-End for Spectrum Sensing Applications,” IEEE ISOCC, Nov. 2017 (Invited). 

2016

• J. Kim, K. Ryu, S. Kim, and S. Lee, “LNA Topologies for RX Carrier Aggregation,” IEEE ISOCC, Oct 2016 (Invited). 

2012

• S. Lee, J. Kim, Cam Nguyen,“Investigation of On-Chip Phase-Noise Reduction Using Self- Injection Technique on Fully Integrated Frequency Dividers,” IEEE APMC, Dec 2012. 

2010

• R. Kulkarni, J. Kim, H.-J. Jeon, J. Silva-Martinez, and J. Xiao,“A Broadband 470-862MHz Direct Conversion CMOS Receiver,” IEEE ISCAS, pp. 2227-2230, May 2010. 

2008

• H.-J. Jeon, R. Kulkarni, Y.-C. Lo, J. Kim, J. Li, and J. Silva-Martinez,“A Full On-chip Bang-Bang 10Gb/s CDR Using an Adaptive Loop Bandwidth Strategy,” 2008 Jazz AIMS-CAT conference.