Lei Qiu

42 papers C 6Journal 30Unranked 6
YearRankTypeTitle / Venue / Authors
2025 J jnl
A 16-Bit 1.6-kS/s ΔΣ Modulator Based on Folded-Cascode Dynamic Amplifier With Speed Enhancement and PVT-Tracking Techniques.
IEEE Trans. Circuits Syst. II Express Briefs
Yifu Guo, Zhongxiao Tian, Likai Shen, Hanbo Yu, Lei Qiu, Bingbing Yao
2025 J jnl
A 94.6 dB-SNDR 20 μW Extended-Counting Incremental ADC Based on Dynamic Amplifier With Gain Calibration.
IEEE Trans. Circuits Syst. I Regul. Pap.
Yifu Guo, Zihao Du, Lei Qiu
2025 J jnl
A Histogram-Based Calibration Algorithm of Capacitor Mismatch for SAR ADCs.
IEEE Trans. Very Large Scale Integr. Syst.
Hui Hu, Bingbing Yao, Yi Shan, Lei Qiu
2025 J jnl
A Signal-Independent Background Calibration Technique for Time-Interleaved ADCs.
Circuits Syst. Signal Process.
Wenli Xu, Zihao Du, Shenglong Zhuo, Lei Qiu
2025 J jnl
An Adaptive Beam-Steering dToF LiDAR System Using Addressable Multi-Channel VCSEL Transmitter, 128 × 80 SPAD Sensor, and ML-Based Edge-Computing Object Detection.
IEEE Trans. Circuits Syst. I Regul. Pap.
Yifan Wu, Miao Sun, Sifan Zhou, Tao Xia, Lei Wang, Jier Wang, Yuan Li, Ming Zhong, Rui Bai, Xuefeng Chen, Yuanjin Zheng, Patrick Yin Chiang, Shenglong Zhuo, Lei Qiu
2025 C conf
The Photoacoustic Quality-Enhancement Neural Network Processor with the Scalable and End-to-End Architecture by Improving the Sparsity Level.
ISCAS
Miao Sun, Zhengyuan Zhang, Jie Ma, Caijie Liang, Boyi Dong, Yange Wang, Zhongzhiguang Lu, Yahui Li, Xiangjun Yin, Shenglong Zhuo, Yifan Wu, Yingjie Cao, Tianyang Zhou, Jian Qian, Patrick Yin Chiang, Lei Qiu, Yuanjin Zheng
2024 J jnl
A Reference Assisted Background Calibration Technique With Constant Input Impedance for Time-Interleaved ADCs.
IEEE Trans. Circuits Syst. II Express Briefs
Wenli Xu, Bingbing Yao, Qide Cheng, Zihao Du, Lei Qiu
2024 J jnl
A Speed-Enhancement Technique Based on Single-Node-Detection and Bulk-Driven for Inverter-Based Amplifier in Switched-Capacitor Integrator.
IEEE Trans. Circuits Syst. II Express Briefs
Yifu Guo, Lei Qiu
2023 C conf
A 2KSPS 123dB Dynamic-Range SPAD-based Optical Sensor SoC with On-chip Auto-Gain-Control and FFT Processor for 100 μlux Light Illuminance and Flicker Detection.
ISCAS
Yifan Wu, Jier Wang, Hengwei Yu, Long Wang, Miao Sun, Zhihong Lin, Xiangyu Fang, Mengxin Yu, Jiqing Xu, Lei Qiu, Patrick Chiang, Shenglong Zhuo
2023 J jnl
A 40nm 2TOPS/W Depth-Completion Neural Network Accelerator SoC With Efficient Depth Engine for Realtime LiDAR Systems.
IEEE Trans. Circuits Syst. II Express Briefs
Miao Sun, Yingjie Cao, Jian Qian, Jie Li, Sifan Zhou, Ziyu Zhao, Yifan Wu, Tao Xia, Yajie Qin, Lei Qiu, Shunli Ma, Patrick Yin Chiang, Shenglong Zhuo
2023 J jnl
A Boundary Mixing Architecture for Two-Channel Frequency-Interleaving Analog-to-Digital Converters.
IEEE Access
Wenli Xu, Zihao Du, Lei Qiu
2023 J jnl
A High-Speed Low-Noise Comparator With Auxiliary-Inverter-Based Common Mode-Self-Regulation for Low-Supply-Voltage SAR ADCs.
IEEE Trans. Very Large Scale Integr. Syst.
Lei Qiu, Tianyi Meng, Bingbing Yao, Zihao Du, Xiaohua Yuan
2023 J jnl
A Low-Power Common-Mode Detector with PVT-Compensation Technique for Dynamic Amplifier in Delta-Sigma Modulator.
Circuits Syst. Signal Process.
Yifu Guo, Lei Qiu
2023 — conf
A Output Code Density Histograms Based Calibration Algorithm of Capacitor Mismatch for SAR ADC.
ICTA
Hui Hu, Lei Qiu, Bingbing Yao
2023 J jnl
Capacitor Mismatch Calibration of a 16-Bit SAR ADC Using Optimized Segmentation and Shuffling Scheme.
IEEE Trans. Circuits Syst. II Express Briefs
Zihao Du, Bingbing Yao, Wenli Xu, Xiaopan Wang, Hui Hu, Lei Qiu
2023 J jnl
Solid-State dToF LiDAR System Using an Eight-Channel Addressable, 20-W/Ch Transmitter, and a 128 × 128 SPAD Receiver With SNR-Based Pixel Binning and Resolution Upscaling.
IEEE J. Solid State Circuits
Shenglong Zhuo, Tao Xia, Lei Zhao, Miao Sun, Yifan Wu, Lei Wang, Hengwei Yu, Jiqing Xu, Jier Wang, Zhihong Lin, Yuan Li, Lei Qiu, Rui Bai, Xuefeng Chen, Patrick Yin Chiang
2023 — conf
dToF LIDAR System Using Addressable Multi-Channel VCSEL Transmitter, 128x80 SPAD Sensor, and ML-Based Object Detection for Adaptive Beam-Steering.
CICC
Yifan Wu, Sifan Zhou, Miao Sun, Tao Xia, Jian Qian, Lei Wang, Shi Shi, Lebei Cui, Chill Wang, Yuan Li, Hengwei Yu, Zhihong Lin, Lei Qiu, Yajie Qin, Min Sun, Rui Bai, Xuefeng Chen, Patrick Yin Chiang, Shenglong Zhuo
2022 J jnl
A 250 MS/s 65.8-dB SNDR SAR ADC With Cross-Phase Common-Mode Feedback and Reconfigurable Inverter-Based Preamplifier in 28-nm CMOS.
IEEE Trans. Circuits Syst. II Express Briefs
Bingbing Yao, Lei Qiu
2022 J jnl
A 98.6 dB SNDR SAR ADC With a Mismatch Error Shaping Technique Implemented With Double Sampling.
IEEE Trans. Circuits Syst. II Express Briefs
Chuanshi Yang, Lei Qiu, Kai Tang, Yuanjin Zheng
2022 J jnl
A Highly Area-Efficient Switching Scheme based on Charge Sharing and Capacitor Holding for SAR ADCs.
Circuits Syst. Signal Process.
Yifu Guo, Lei Qiu, Bingbing Yao
2021 J jnl
An Area-Efficient SAR ADC With Mismatch Error Shaping Technique Achieving 102-dB SFDR 90.2-dB SNDR Over 20-kHz Bandwidth.
IEEE Trans. Very Large Scale Integr. Syst.
Chuanshi Yang, Erik Olieman, Alphons Litjes, Lei Qiu, Kai Tang, Yuanjin Zheng, Robert H. M. van Veldhoven
2020 J jnl
A 16-bit 8-MS/s SAR ADC with a foreground calibration and hybrid-charge-supply power structure.
IEICE Electron. Express
Zhenwei Zhang, Lei Qiu, Yi Shan, Yemin Dong
2020 J jnl
A Low Power Pre-Setting Based Sub-Radix-2 Approximation for Multi-bit/cycle SAR ADCs.
IEEE Access
Lei Qiu, Keping Wang, Chuanshi Yang, Yuanjin Zheng
2020 J jnl
A Low-Profile High-Efficiency Fast Battery Charger With Unifiable Constant-Current and Constant-Voltage Regulation.
IEEE Trans. Circuits Syst.
Yong Qu, Wei Shu, Lei Qiu, Yen-Cheng Kuan, Shiuh-Hua Wood Chiang, Joseph S. Chang
2020 J jnl
Background Calibration of Bit Weights in Pipelined-SAR ADCs Using Paired Comparators.
IEEE Trans. Very Large Scale Integr. Syst.
Jie Sun, Minglei Zhang, Lei Qiu, Jianhui Wu, Weiqiang Liu
2019 J jnl
A Linearity-Enhanced 10-Bit 160-MS/s SAR ADC With Low-Noise Comparator Technique.
IEEE Trans. Very Large Scale Integr. Syst.
Daiguo Xu, Hequan Jiang, Lei Qiu, Xiaoquan Yu, Jianan Wang, Zhengping Zhang, Can Zhu, Shiliu Xu
2019 — conf
A Low Power Analog Front-end for Ultrasound Receiver.
SoCC
Chuanshi Yang, Kai Tang, Lei Qiu, Zhongyuan Fang, Yuanjin Zheng
2019 J jnl
An Adaptive Beamforming Technique for UWB Impulse Transceiver.
IEEE Trans. Circuits Syst. II Express Briefs
Lei Qiu, Supeng Liu, Zhongyuan Fang, Yuanjin Zheng
2018 J jnl
A 16-mW 1-GS/s With 49.6-dB SNDR TI-SAR ADC for Software-Defined Radio in 65-nm CMOS.
IEEE Trans. Very Large Scale Integr. Syst.
Lei Qiu, Kai Tang, Yuanjin Zheng, Liter Siek, Yan Zhu, Seng-Pan U
2018 J jnl
A High-Speed 2-bit/Cycle SAR ADC With Time-Domain Quantization.
IEEE Trans. Very Large Scale Integr. Syst.
Lei Qiu, Chuanshi Yang, Keping Wang, Yuanjin Zheng
2018 J jnl
A Linearity-Improved 8-bit 320-MS/s SAR ADC With Metastability Immunity Technique.
IEEE Trans. Very Large Scale Integr. Syst.
Daiguo Xu, Lei Qiu, Zhengping Zhang, Tao Liu, Lu Liu, Kairang Chen, Shiliu Xu
2018 J jnl
Design of 1.8-mW PLL-Free 2.4-GHz Receiver Utilizing Temperature-Compensated FBAR Resonator.
IEEE J. Solid State Circuits
Keping Wang, Lei Qiu, Jabeom Koo, Richard C. Ruby, Brian Otis
2016 — conf
13.2 A Ku-band 260mW FMCW synthetic aperture radar TRX with 1.48GHz BW in 65nm CMOS for micro-UAVs.
ISSCC
Yong Wang, Kai Tang, Ying Zhang, Liheng Lou, Bo Chen, Supeng Liu, Lei Qiu, Yuanjin Zheng
2016 — conf
A 10-bit 1GS/s 4-way TI SAR ADC with tap-interpolated FIR filter based time skew calibration.
A-SSCC
Lei Qiu, Kai Tang, Yan Zhu, Liter Siek, Yuanjin Zheng, Seng-Pan U
2016 J jnl
A Filter Bank Mismatch Calibration Technique for Frequency-Interleaved ADCs.
Circuits Syst. Signal Process.
Lei Qiu, Yuanjin Zheng, Liter Siek
2016 J jnl
A Flexible-Weighted Nonbinary Searching Technique for High-Speed SAR-ADCs.
IEEE Trans. Very Large Scale Integr. Syst.
Lei Qiu, Kai Tang, Yuanjin Zheng, Liter Siek
2016 C conf
Live demonstration: A Ku-band FMCW synthetic aperture radar transceiver for micro-UAVs.
ISCAS
Yong Wang, Liheng Lou, Bo Chen, Kai Tang, Ying Zhang, Lei Qiu, Supeng Liu, Yuanjin Zheng
2016 J jnl
Multichannel Time Skew Calibration for Time-Interleaved ADCs Using Clock Signal.
Circuits Syst. Signal Process.
Lei Qiu, Yuanjin Zheng, Liter Siek
2015 C conf
A digital time skew calibration technique for time-interleaved ADCs.
ISCAS
Lei Qiu, Kai Tang, Yuanjin Zheng, Liter Siek
2014 C conf
A statistic based time skew calibration method for time-interleaved ADCs.
ISCAS
Lei Qiu, Yuanjin Zheng, Di Zhu, Liter Siek
2014 — conf
High accuracy time-mode duty-cycle-modulation-based temperature sensor for energy efficient system applications.
ISIC
Di Zhu, Jiacheng Wang, Liter Siek, Chiang Liang Kok, Lei Qiu, Yuanjin Zheng
2013 C conf
Analysis and design of high performance frequency-interleaved ADC.
ISCAS
Lei Qiu, Yuanjin Zheng, Liter Siek