A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique

A High Noise Immunity, 28 × 16-Channel Finger Touch Sensing IC Using OFDM and Frequency Translation Technique

In this paper, a high noise immunity, 28 × 16-channel finger touch sensing IC for an orthogonal frequency division multiplexing (OFDM) touch sensing scheme is presented. In order to increase the signal-to-noise ratio (SNR), the OFDM sensing scheme is proposed. The transmitter (TX) transmit...

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Bibliographic Details
Main Authors: SangYun Kim, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Sensors
Subjects:
analog front-end
capacitive touch panel
orthogonal frequency division multiplexing
low pass filter
variable gain amplifier
mixer
Online Access:http://www.mdpi.com/1424-8220/18/5/1652

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