Qinwen Fan

37 papers Journal 13Unranked 24
YearRankTypeTitle / Venue / Authors
2026 — conf
21.9 A -82.3dB THD+N 60V Fully Integrated Shunt-Resistor-Based In-Line Current Sensor with DLL-Assisted Dynamic Body-Biasing Technique.
ISSCC
Heng Ma, Huajun Zhang, Qinwen Fan
2026 — conf
A -102.2dB THD+N, 92% Efficiency, 1.08mW Idle Power Digital-Input Class-D Amplifier with Power-Adaptive Techniques and Dual-Edge Pulse-Width Adjustment Modulator.
ISSCC
Miao Zhang, Huajun Zhang, Domenico Maria Lombardo, Qinwen Fan
2025 — conf
3.4: A CMOS Operational Amplifier Achieving ±5.8µV 3σ Offset and ±88nV/°C 3σ Offset Drift Using an on-Chip Heater-Based Self-Trimming Technique.
ISSCC
Aodong Zhang, Mingtao Zhan, Mengying Chen, Yi Zhong, Lu Jie, Nan Sun, Qinwen Fan
2025 — conf
A Fully-Dynamic Capacitive Touch Sensor with Tri-Level Energy Recycling and Compressive Sensing Technique Achieving 1513 Hz Framerate and 10.66 pJ/Step Energy Efficiency.
CICC
Xiangdong Feng, Zhiyu Wang, Haoyang Li, Jiaqing Li, Guanglong Wu, Wei Wang, Weijin Lin, Xin Hu, Weixiao Wang, Zhong Tang, Yuyan Liu, Qinwen Fan, Hua Liu, Jianqiu Chen, Yuxuan Luo, Bo Zhao
2024 — conf
21.1 A 121.7dB DR and -109.0dB THD+N Filterless Digital-Input Class-D Amplifier with an HV Multibit IDAC Using Tri-level Output and Employing a Transition-Rate-Balanced Bidirectional RTDEM Scheme.
ISSCC
Huajun Zhang, Mingshuang Zhang, Mengying Chen, Arthur Admiraal, Miao Zhang, Marco Berkhout, Qinwen Fan
2024 — conf
21.3 A -106.3dB THD+N Feedback-After-LC Class-D Audio Amplifier Employing Current Feedback to Enable 530kHz LC-Filter Cut-Off Frequency.
ISSCC
Huajun Zhang, Haochun Fan, Miao Zhang, Marco Berkhout, Qinwen Fan
2024 J jnl
A 121.7-dB DR and -109.0-dB THD+N Filterless Digital-Input Class-D Amplifier With an HV IDAC Using Tri-Level Unit Cells.
IEEE J. Solid State Circuits
Huajun Zhang, Mingshuang Zhang, Mengying Chen, Arthur Admiraal, Miao Zhang, Marco Berkhout, Qinwen Fan
2023 J jnl
A 120.9-dB DR Digital-Input Capacitively Coupled Chopper Class-D Audio Amplifier.
IEEE J. Solid State Circuits
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2023 — conf
A 120.9dB DR, -111.2dB THD+N Digital-Input Capacitively-Coupled Chopper Class-D Audio Amplifier.
ISSCC
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2023 — conf
A 51A Hybrid Magnetic Current Sensor with a Dual Differential DC Servo Loop and 43mArms Resolution in a 5MHz Bandwidth.
ISSCC
Amirhossein Jouvaeian, Qinwen Fan, Mario Motz, Udo Ausserlechner, Kofi A. A. Makinwa
2023 — conf
A Class-D Piezoelectric Speaker Driver Using A Quadrature Feedback Chopping Scheme achieving 29dB Large-Signal THD+N Improvement.
VLSI Technology and Circuits
Shoubhik Karmakar, Huajun Zhang, Marco Berkhout, Qinwen Fan
2023 J jnl
A Hybrid Magnetic Current Sensor With a Dual Differential DC Servo Loop.
IEEE J. Solid State Circuits
Amirhossein Jouyaeian, Qinwen Fan, Udo Ausserlechner, Mario Motz, Kofi A. A. Makinwa
2023 J jnl
A Hybrid Magnetic Current Sensor With a Multiplexed Ripple-Reduction Loop.
IEEE J. Solid State Circuits
Amirhossein Jouyaeian, Qinwen Fan, Roger Luis Brito Zamparette, Udo Ausserlechner, Mario Motz, Kofi A. A. Makinwa
2022 J jnl
A -121.5-dB THD Class-D Audio Amplifier With 49-dB LC Filter Nonlinearity Suppression.
IEEE J. Solid State Circuits
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2022 — conf
A -91 dB THD+N Resistor-Less Class-D Piezoelectric Speaker Driver Using a Dual Voltage/ Current Feedback for LC Resonance Damping.
ISSCC
Shoubhik Karmakar, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2022 J jnl
A -91 dB THD+N, Class-D Piezoelectric Speaker Driver Using Dual Voltage/Current Feedback for Resistor-Less LC Resonance Damping.
IEEE J. Solid State Circuits
Shoubhik Karmakar, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2022 J jnl
A 121.4-dB DR Capacitively Coupled Chopper Class-D Audio Amplifier.
IEEE J. Solid State Circuits
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2022 — conf
A 121.4dB DR, -109.8dB THD+N Capacitively-Coupled Chopper Class-D Audio Amplifier.
ISSCC
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2022 J jnl
A Chopper Class-D Amplifier for PSRR Improvement Over the Entire Audio Band.
IEEE J. Solid State Circuits
Huajun Zhang, Nuriel N. M. Rozsa, Marco Berkhout, Qinwen Fan
2021 — conf
A -109.1 dB/-98 dB THD/THD+N Chopper Class-D Amplifier with >83.7 dB PSRR Over the Entire Audio Band.
ESSCIRC
Huajun Zhang, Nuriel Rozsa, Marco Berkhout, Qinwen Fan
2021 — conf
A -121.5 dB THD Class-D Audio Amplifier with 49 dB Suppression of LC Filter Nonlinearity and Robust to +/-30% LC Filter Spread.
VLSI Circuits
Huajun Zhang, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2021 — conf
A 25A Hybrid Magnetic Current Sensor with 64mA Resolution, 1.8MHz Bandwidth, and a Gain Drift Compensation Scheme.
ISSCC
Amirhossein Jouyaeian, Qinwen Fan, Mario Motz, Udo Ausserlechner, Kofi A. A. Makinwa
2021 J jnl
A High-Linearity and Low-EMI Multilevel Class-D Amplifier.
IEEE J. Solid State Circuits
Huajun Zhang, Shoubhik Karmakar, Lucien J. Breems, Quino Sandifort, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2020 — conf
23.4 A 28W -108.9dB/-102.2dB THD/THD+N Hybrid ΔΣ-PWM Class-D Audio Amplifier with 91% Peak Efficiency and Reduced EMI Emission.
ISSCC
Shoubhik Karmakar, Huajun Zhang, Robert H. M. van Veldhoven, Lucien J. Breems, Marco Berkhout, Qinwen Fan, Kofi A. A. Makinwa
2020 — conf
A -107.8 dB THD+N Low-EMI Multi-Level Class-D Audio Amplifier.
VLSI Circuits
Huajun Zhang, Shoubhik Karmakar, Lucien J. Breems, Quino Sandifort, Marco Berkhout, Kofi A. A. Makinwa, Qinwen Fan
2020 J jnl
A 28-W, -102.2-dB THD+N Class-D Amplifier Using a Hybrid ΔΣM-PWM Scheme.
IEEE J. Solid State Circuits
Shoubhik Karmakar, Huajun Zhang, Robert H. M. van Veldhoven, Lucien J. Breems, Marco Berkhout, Qinwen Fan, Kofi A. A. Makinwa
2018 — conf
Capacitively-coupled Chopper Instrumentation Amplifiers: An Overview.
IEEE SENSORS
Qinwen Fan, Kofi A. A. Makinwa
2015 — conf
5.2 A 110dB SNR ADC with ±30V input common-mode range and 8μV Offset for current sensing applications.
ISSCC
Long Xu, Burak Gonen, Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa
2013 — conf
A multi-path chopper-stabilized capacitively coupled operational amplifier with 20V-input-common-mode range and 3µV offset.
ISSCC
Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa
2013 J jnl
Measurement and Analysis of Current Noise in Chopper Amplifiers.
IEEE J. Solid State Circuits
Jiawei Xu, Qinwen Fan, Johan H. Huijsing, Chris Van Hoof, Refet Firat Yazicioglu, Kofi A. A. Makinwa
2012 J jnl
A 21 nV/√ Hz Chopper-Stabilized Multi-Path Current-Feedback Instrumentation Amplifier With 2 µ V Offset.
IEEE J. Solid State Circuits
Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa
2012 — conf
A capacitively coupled chopper instrumentation amplifier with a ±30V common-mode range, 160dB CMRR and 5μV offset.
ISSCC
Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa
2012 — conf
A capacitively-coupled chopper operational amplifier with 3μV Offset and outside-the-rail capability.
ESSCIRC
Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa
2012 — conf
Measurement and analysis of input current noise in chopper amplifiers.
ESSCIRC
Jiawei Xu, Qinwen Fan, Johan H. Huijsing, Chris Van Hoof, Refet Firat Yazicioglu, Kofi A. A. Makinwa
2011 J jnl
A 1.8 μ W 60 nV √ Hz Capacitively-Coupled Chopper Instrumentation Amplifier in 65 nm CMOS for Wireless Sensor Nodes.
IEEE J. Solid State Circuits
Qinwen Fan, Fabio Sebastiano, Johan H. Huijsing, Kofi A. A. Makinwa
2010 — conf
A 1.8µW 1µV-offset capacitively-coupled chopper instrumentation amplifier in 65nm CMOS.
ESSCIRC
Qinwen Fan, Fabio Sebastiano, Johan H. Huijsing, Kofi A. A. Makinwa
2010 — conf
A 21nV/√Hz chopper-stabilized multipath current-feedback instrumentation amplifier with 2µV offset.
ISSCC
Qinwen Fan, Johan H. Huijsing, Kofi A. A. Makinwa