Publications

Kim, Chul, Chang-Seok Chae, Young-Sub Yuk,  Chris M. Thomas, Yi-Gyeong Kim, Jong-Kee Kwon, Sohmyung Ha, Gert Cauwenberghs and Gyu-Hyeong Cho, “A 500 MHz Bandwidth 7.5 mVpp Ripple Power-Amplifier Supply Modulator for RF Polar Transmitters,” IEEE Journal of Solid-State Circuits (JSSC), Vol.53, No.6, June 2018.

Mandloi, Neeraj and Sohmyung Ha, “Magnetically Balanced Power and Data Telemetry for mm-Scale Neural Implants,” Proceedings of the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Honolulu, HI, USA, July 17-21, 2018.

Subhan, Saqib and Sohmyung Ha, “Harmonic Error Cancellation for Accurate Square-Wave-Based Bio-Impedance Measurements,” Proceedings of the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Honolulu, HI, USA, July 17-21, 2018.

Ha, Sohmyung, Abraham Akinin, Jiwoong Park, Chul Kim, Hui Wang, Christoph Maier, Patrick P. Mercier and Gert Cauwenberghs, "Silicon Integrated High-Density Electrocortical Interfaces," Proceedings of the IEEE, Vol.105, No.1, January 2017.

Joshi, Siddharth, Chul Kim, Sohmyung Ha, Yu M. Chi and Gert Cauwenberghs, “From algorithms to devices: Enabling machine learning through ultra-low-power VLSI mixed-signal array processing,” Proceedings of IEEE Custom Integrated Circuits Conference (CICC), Austin, TX, USA, April 30 – May 3, 2017.

Joshi, Siddharth, Chul Kim, Sohmyung Ha, Yu M. Chi and Gert Cauwenberghs, “2pJ/MAC 14-b 8×8 Linear Transform Mixed–Signal Spatial Filter in 65nm CMOS with 84dB Interference Suppression,” International Solid-State Circuits Conference Digest of Technical Papers (ISSCC), San Francisco, CA, USA, February 5-9, 2017.

Kim, Chul, Sohmyung Ha, Abraham Akinin, Jiwoong Park, Rajkumar Kubendran, Hui Wang, Patrick P. Mercier and Gert Cauwenberghs, “Design of Miniaturized Wireless Power Receivers for mm-sized Implants,” Proceedings of IEEE Custom Integrated Circuits Conference (CICC), Austin, TX, USA, April 30 – May 3, 2017.

Kim, Chul, Sohmyung Ha, Jiwoong Park, Abraham Akinin, Patrick P. Mercier and Gert Cauwenberghs, “A 144 MHz Fully Integrated Resonant Regulating Rectifier with Hybrid Pulse Modulation for mm-sized Implants,” IEEE Journal of Solid-State Circuits (JSSC), Vol.52, No.11, November 2017.

Park, Jiwoong, Chul Kim, Abraham Akinin, Sohmyung Ha, Gert Cauwenberghe and Patrick Mercier, “Wireless Powering of mm-Scale Fully-on-Chip Neural Interfaces,” Proceedings of IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, October 19-21, 2017.

Ha, Sohmyung, Chul Kim, Jongkil Park, Siddharth Joshi and Gert Cauwenberghs, "Energy-Recycling Telemetry IC with Simultaneous 11.5-mW Power and 6.78-Mbps Backward Data Delivery over a Single 13.56-MHz Inductive Link," IEEE Journal of Solid-State Circuits (JSSC), Vol.51, No.11, November 2016.

Ha, Sohmyung, Massoud L. Khraiche, Abraham Akinin, Yi Jing, Samir Damle, Yanjin Kuang, Sue Bauchner, Yu-Hwa Lo, William R. Freeman, Gabriel A. Silva and Gert Cauwenberghs,  "Towards High-resolution Retinal Prostheses with Direct Optical Addressing and Inductive Telemetry," Journal of Neural Engineering (JNE), Vol.13, No.5, 056008 (2016).

Ha, Sohmyung, Abraham Akinin, Jiwoong Park, Chul Kim, Hui Wang, Christoph Maier, Gert Cauwenberghs and Patrick P. Mercier,  “A 16-Channel Wireless Neural Interfacing SoC with RF-powered Energy-Replenishing Adiabatic Stimulation,” Symposium on VLSI Circuits Digest of Technical Papers, Kyoto, Japan, June 16-19,  (2015).