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Tianxiang Qu
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A 1.8-G Ω Input-Impedance 0.15- μ V Input-Referred-Ripple Chopper Amplifier With Local Positive Feedback and SAR-Assisted Ripple Reduction
Q Tianxiang, P Qinjing, L Liheng, Z Xiaoyang, H Zhiliang, X Jiawei
IEEE Journal of Solid-State Circuits, 1-10, 2022
17*2022
A 0.5-m/Hz Dry-Electrode Bioimpedance Interface With Current Mismatch Cancellation and Input Impedance of 100 M at 50 kHz
Q Pan, T Qu, B Tang, F Shan, Z Hong, J Xu
IEEE Journal of Solid-State Circuits, 2022
16*2022
A 0.5 mΩ/√ Hz 106dB SNR 0.45 cm2 dry-electrode bioimpedance interface with current mismatch cancellation and boosted input impedance of 100MΩ at 50kHz
Q Pan, T Qu, B Tang, F Shan, Z Hong, J Xu
2022 IEEE International Solid-State Circuits Conference (ISSCC) 65, 332-334, 2022
142022
A 0.24-μV-Input-Ripple 8-μV-Input-Offset 10-MHz Chopper Operational Amplifier Employing MOS-DAC-Based Offset Calibration
T Qu, L Liu, X Zeng, Z Hong, J Xu
IEEE Solid-State Circuits Letters 6, 17-20, 2023
62023
A -Input-Impedance Active Electrode for Non-Contact ECG Using Auto-Calibrated Positive Feedback and Capacitance Scaling in Femtofarad Resolution
P Wang, T Qu, L Lei, Z Hong, J Xu
ESSCIRC 2022-IEEE 48th European Solid State Circuits Conference (ESSCIRC …, 2022
42022
A 7.5GΩ-Input-Impedance 109dB-Total-CMRR and 80VPP-CMI-Tolerance Instrumentation Amplifier for Dry-Contact Two-Electrode ECG Monitoring
T Qu, Q Pan, B Tang, Z Hong, J Xu
2023 IEEE Biomedical Circuits and Systems Conference (BioCAS), 1-4, 2023
32023
A 1.9μVrms 7.7ppm/°C ADC Reference with 20mA Output Current and Single-Trim Inaccuracy of ±0.03%(3σ) from -40°C to 125°C
H Tian, T Qu, T Yi, Z Hong, J Xu
ESSCIRC 2023-IEEE 49th European Solid State Circuits Conference (ESSCIRC), 93-96, 2023
22023
A 3.5MHz-BW 128nTrms Resolution TMR Readout Using Ping-Pong Auto-Zeroing and SAR-Assisted Offset Calibration for Contactless Current Sensing
T Dong, T Qu, W Qin, Y Pan, Y Sheng, Z Hong, J Xu
ESSCIRC 2023-IEEE 49th European Solid State Circuits Conference (ESSCIRC), 1-4, 2023
22023
Integrated self-interference suppression for single antenna full-duplex without circulator
Y Du, J Chen, G Li, K Han, T Qu, S Liu
2022 20th IEEE Interregional NEWCAS Conference (NEWCAS), 75-79, 2022
22022
A 97.3dB SNR Bioimpedance AFE with −84dB THD Segmented- Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier
Q Pan, Q Luo, T Qu, L Liu, X Li, M Chen, Z Hong, J Xu
2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and …, 2024
12024
A 2.2 μW PWM-Based Time-Domain Sensor Interface With 540mVpp Input Signal Range, 81.6 dB SNDR and 80MΩ Input Impedance
L Liu, T Qu, P Wang, Y Zhang, S Wu, Z Hong, J Xu
IEEE Transactions on Circuits and Systems II: Express Briefs, 2023
12023
A 136-GΩ Input-Impedance Active Electrode for Non-Contact Biopotential Signals Monitoring
T Qu, P Wang, L Lei, Z Hong, J Xu
IEEE Journal of Solid-State Circuits 59 (2), 364-374, 2023
12023
A 0.8V/0.6V 2.2μW Time-Domain Analog Front-End with Input Range, 81.6dB SNDR and Input Impedance
L Liu, T Qu, P Wang, Y Zhang, Z Hong, J Xu
2022 IEEE Custom Integrated Circuits Conference (CICC), 1-2, 2022
12022
A 97.3-dB SNR Bioimpedance AFE With 84-dB THD Segmented-M Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier
Q Pan, Q Luo, T Qu, L Liu, X Li, M Chen, Z Hong, J Xu
IEEE Journal of Solid-State Circuits, 2024
2024
A 2 MHz Bandwidth TMR-Based Contactless Current Sensor With Ping-Pong Auto-Zeroing and SAR-Assisted Offset Calibration
T Qu, T Dong, W Qin, Y Pan, Y Sheng, Z Hong, X Zeng, J Xu
IEEE Journal of Solid-State Circuits, 2024
2024
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