Publications

S. Jung, J. Kim, J. Bang, and J. Choi*, "A 45-fsrms-Jitter, 144-to-162-GHz D-Band Frequency Synthesizer Using a Subsampling PLL and a Harmonic-Boosting Frequency Multiplier," IEEE RFIC Symposium, June 2024. 

J. Bang, S. Jung, J. Kim, S. Park, and J. Choi*, "A Sub-50-fs RMS jitter, 103.5-GHz Fundamental-Sampling PLL with an Extended Loop Bandwidth," IEEE Solid-State Circuits Letters (SSC-L), Aug. 2023, invited from IEEE 2023 International Solid-State Circuits Conference (ISSCC).

J. Bang, J. Kim, S. Jung, S. Park, and J. Choi*, "A 47fsrms-Jitter and 26.6mW 103.5GHz PLL with Power-Gating Injection-Locked Frequency Multiplier-Based Phase Detector and Extended Loop Bandwidth," IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2023.

J. Bang, S. Choi, S. Yoo, J. Lee, J. Kim, and J. Choi*, "A 0.0084-mV-FOM, Fast-Transient and Low-Power External-Clock-Less Digital LDO Using a Gear-Shifting Comparator for the Wide-Range Adaptive Sampling Frequency," IEEE European Solid-State Circuits Conference (ESSCIRC), Sep. 2021.

Y. Lim, J. Kim, Y. Jo, J. Bang, and J. Choi*, "A Wide-Lock-In-Range and Low-Jitter 12–14.5 GHz SSPLL Using a Low-Power Frequency-Disturbance-Detecting and Correcting Loop," IEEE Journal of Solid-State Circuits, Feb. 2022.

Y. Lim=, J. Kim=, Y. Jo, J. Bang, S. Yoo, H. Park, H. Yoon and J. Choi*, "A 170MHz-Lock-In-Range and -253dB-FOMJIT, 12-14.5GHz Subsampling PLL with ...," IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2020. (= Equally-Credited Authors)

J. Lee, J. Bang, Y. Lim, S. Yoo, Y. Lee, T. Seong, and J. Choi*, "A Fast-Transient and High-Accuracy, Adaptive-Sampling Digital LDO Using a Single VCO-Based Edge-Racing Time Quantizer," IEEE Solid-State Circuits Letters (SSC-L), accepted for publication, invited from IEEE 2019 Symp. VLSI Circuits.

J. Lee, J. Bang, Y. Lim, and J. Choi*, "A 0.5V-VIN, 0.29ps-Transient-FOM, and Sub-2mV-Accuracy Adaptive-Sampling Digital LDO Using Single-VCO-Based Edge-Racing Time Quantizer," IEEE Symp. VLSI Circuits Dig., Jun. 2019.

H. Yoon, J. Kim, S. Park, Y. Lim, Y. Lee, J. Bang, K. Lim, and J. Choi*, "Fractional-N Frequency Synthesizer Supporting Multiple Frequency Bands for Backward-Compatible 5G," IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2018.