Capacitive touch systems with styli for touch sensors: A review

OK Kwon, JS An, SK Hong - IEEE Sensors journal, 2018 - ieeexplore.ieee.org
This paper presents the latest progress in development and applications of the capacitive
touch systems (CTSs) with styli. The CTSs, which include the touch sensor, analog front-end …

A 12-bit two-step single-slope ADC with a constant input-common-mode level resistor ramp generator

Q Zhang, N Ning, Z Zhang, J Li, K Wu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a 12-bit column-parallel two-step single-slope analog-to-digital
converter (SS ADC). With the merging of analog memory capacitor and input sampling …

A high area-efficiency 14-bit SAR ADC with hybrid capacitor DAC for array sensors

Q Zhang, N Ning, J Li, Q Yu, Z Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper proposes a high area-efficiency 14-bit column-parallel successive approximation
register (SAR) analog-to-digital converter (ADC) for array sensors. A novel hybrid capacitor …

A low-power incremental delta–sigma ADC for CMOS image sensors

I Lee, B Kim, BG Lee - … Transactions on Circuits and Systems II …, 2015 - ieeexplore.ieee.org
This brief presents a second-order incremental delta-sigma analog-to-digital converter
(ADC) for CMOS image sensors (CISs). The ADC that employs a cascade of integrators with …

A 5.2-Mpixel 88.4-dB DR 12-in CMOS X-ray detector with 16-bit column-parallel continuous-time incremental ΔΣ ADCs

S Lee, J Jeong, T Kim, C Park, T Kim… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
This article presents a 5.2-Mpixel, 12-in wafer-scale CMOS X-ray detector that consists of
lithographically stitched 169 sub-chips. The detector employs a 3T pixel with a voltage …

Evaluation of detector readout gain mode and bowtie filters for cone-beam CT imaging of the head

J Xu, A Sisniega, W Zbijewski, H Dang… - Physics in Medicine …, 2016 - iopscience.iop.org
The effects of detector readout gain mode and bowtie filters on cone-beam CT (CBCT)
image quality and dose were characterized for a new CBCT system developed for point-of …

A low-power 12-bit extended counting ADC without calibration for CMOS image sensors

BK Jeon, SK Hong, OK Kwon - IEEE Transactions on Circuits …, 2017 - ieeexplore.ieee.org
This brief proposes a low-power 12-bit column-parallel extended counting analog-to-digital
converter (EC ADC) without calibration for CMOS image sensors. The proposed 12-bit EC …

A Low-Noise and Area-Efficient PWM- ADC Using a Single-Slope Quantizer for CMOS Image Sensors

YR Jo, SK Hong, OK Kwon - IEEE Transactions on Electron …, 2015 - ieeexplore.ieee.org
This paper proposes a multibit pulsewidth modulated (PWM) delta-sigma (ΔΣ) analog-to-
digital converter (ADC) using a single-slope (SS) quantizer for a CMOS image sensor (CIS) …

A multi-bit incremental ADC based on successive approximation for low noise and high resolution column-parallel readout circuits

YR Jo, SK Hong, OK Kwon - … on Circuits and Systems I: Regular …, 2015 - ieeexplore.ieee.org
This paper proposes a multi-bit incremental analog-to-digital converter (ADC) based on
successive approximation (SA) for column-parallel readout circuits. The proposed ADC …

CMOS flat-panel X-ray detector with dual-gain active pixel sensors and column-parallel readout circuits

YR Jo, SK Hong, OK Kwon - IEEE Transactions on Nuclear …, 2014 - ieeexplore.ieee.org
This paper proposes a CMOS flat-panel X-ray detector (FPXD) with dual-gain active pixel
sensors (APSs) and column-parallel readout circuits to reduce the random noise. The …