A Low-Power Two-Tap Voltage-Mode Transmitter With Precisely Matched Output Impedance Using an Embedded Calibration Circuit. - Kang-Sub Kwak; Jong-Hyun Ra; Ho-Sung Moon; Seong-Kwan Hong; Oh-Kyong Kwon (IEEE Trans. Circuits Syst. II Express Briefs, 2016)

28.1 A Capacitive Touch Chipset with 33.9dB Charge-Overflow Reduction Using Amplitude-Modulated Multi-Frequency Excitation and Wireless Power and Data Transfer to an Active Stylus. - Jae-Sung An; Jong-Hyun Ra; Eunchul Kang; Michiel A. P. Pertijs; Sang-Hyun Han (ISSCC, 2020)

A Readout IC for Capacitive Touch Screen Panels With 33.9 dB Charge-Overflow Reduction Using Amplitude-Modulated Multi-Frequency Excitation. - Jae-Sung An; Jong-Hyun Ra; Eunchul Kang; Michiel A. P. Pertijs; Sang-Hyun Han (IEEE J. Solid State Circuits, 2021)