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A 3-Gb/s Equalizer with an Adaptive Swing Controller for TFT-LCD Interfaces
Miao-Shan Li,Yen-Chen Lin,Chai-Chi Liu,Ching-Rong Chang,Jyun-Yi Li,You-Sheng Lin,Ching-Yuan Yang 대한전자공학회 2019 Journal of semiconductor technology and science Vol.19 No.1
A 0.18-μm CMOS 3-Gb/s equalizer with an adaptive swing controller is presented for 4K2K large display panels to compensate a 24-dB channel loss. Employing the output-swing control technique, we propose the adaptive loop for the equalizer to improve adaptation accuracy without degrading the boost tuning and input swing ranges. Besides, cascading two bandpass filters (BPF) measured energy in a narrow range is much more accuracy than conventional highpass filters (HPF). The measured jitter of 3-Gb/s and 1.5-Gb/s data are 0.23-UI and 0.356-UI for 1.23-m FR4 board, respectively. The core area occupies 0.12-㎟ and the power consumption is 27-mW at 3 Gb/s from a 1.8-V supply.