Huajun Zhang

23 papers B 1Journal 10Unranked 12
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
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 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
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 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 4-μW Bandwidth/Power Scalable Delta-Sigma Modulator Based on Swing-Enhanced Floating Inverter Amplifiers.
IEEE J. Solid State Circuits
Menglian Zhao, Yibo Zhao, Huajun Zhang, Yaopeng Hu, Yuanxin Bao, Le Ye, Wanyuan Qu, Zhichao Tan
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 94.1 dB DR 4.1 nW/Hz Bandwidth/Power Scalable DTDSM for IoT Sensing Applications Based on Swing-Enhanced Floating Inverter Amplifiers.
CICC
Yibo Zhao, Huajun Zhang, Yaopeng Hu, Yuanxin Bao, Le Ye, Wanyuan Qu, Menglian Zhao, Zhichao Tan
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
2019 J jnl
A 1-V 560-nW SAR ADC With 90-dB SNDR for IoT Sensing Applications.
IEEE Trans. Circuits Syst. II Express Briefs
Huajun Zhang, Zhichao Tan, Chao Chu, Baozhen Chen, Hongxing Li, Michael C. W. Coln, Khiem Nguyen
2019 J jnl
A 6 $\mu$ W 95 dB SNDR Inverter Based $\Sigma\Delta$ Modulator With Subtractive Dithering and SAR Quantizer.
IEEE Trans. Circuits Syst. II Express Briefs
Huajun Zhang, Zhichao Tan, Yi Zhang, Baozhen Chen, Roberto Maurino, Robert Adams, Khiem Nguyen
2016 B conf
Software-Defined, WiFi and BLE Compliant Back-Channel for Ultra-Low Power Wireless Communication.
GLOBECOM
Huajun Zhang, David D. Wentzloff, Hun-Seok Kim