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| A 7-bit 2 GS/s Time-Interleaved SAR ADC with Timing Skew Calibration Based on Current Integrating Sampler Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2021,Volume: 68,Issue: 2,Page: 557-568
Authors: Jiang，Wenning; Zhu，Yan; Chan，Chi Hang; Murmann，Boris; Martins，Rui Paulo
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Analog-to-digital converter background timing skew calibration current integrating sampler SAR ADC time-interleaved ADC timing skew |
| LDO-Free Power Management System: A 10-bit Pipelined ADC Directly Powered by Inductor-Based Boost Converter with Ripple Calibration Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 12,Page: 4174-4186
Authors: Wang，Hanyu; Sin，Sai Weng; Lam，Chi Seng; Maloberti，Franco; Martins，Rui Paulo
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analog-to-digital converters (ADCs) boost DC-DC converters pipelined ADC Power management ripple calibration switching-mode power converters |
| A 470-nA Quiescent Current and 92.7%/94.7% Efficiency DCT/PWM Control Buck Converter with Seamless Mode Selection for IoT Application Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 11,Page: 4085-4098
Authors: Zeng，Wen Liang; Ren，Yuan; Lam，Chi Seng; Sin，Sai Weng; Che，Weng Keong; Ding，Ran; Martins，Rui Paulo
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buck converter discontinuous conduction mode (DCM) double clock time (DCT) control Internet of things (IoT) mode selection pulse-width-modulation (PWM) current mode control ultra-low-quiescent current |
| A 0.5-V Supply, 36 nW Bandgap Reference with 42 ppm/°C Average Temperature Coefficient Within-40 °c to 120 °c Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 11,Page: 3656-3669
Authors: Uu，Chi Wa; Zeng，Wen Liang; Law，Man Kay; Lam，Chi Seng; Martins，Rui Paulo
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Bandgap voltage reference low power low voltage switched capacitor circuits temperature coefficient |
| A Calibration-Free Ring-Oscillator PLL with Gain Tracking Achieving 9% Jitter Variation over PVT Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 11,Page: 3753-3763
Authors: Yang，Xiaofeng; Chan，Chi Hang; Zhu，Yan; Martins，Rui Paulo
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calibration-free discrete-time gain tracking Jitter open-loop phase noise cancellation (PNC) phase-locked loop (PLL) PVT reference spur ring voltage-controlled oscillator (RVCO) |
| A 0.04% BER Strong PUF with Cell-Bias-Based CRPs Filtering and Background Offset Calibration Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 11,Page: 3853-3865
Authors: Liu，Jiahao; Zhu，Yan; Chan，Chi Hang; Martins，Rui Paulo
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authentication hardware security Internet of Things low power machine learning attacks Physical unclonable function (PUF) |
| A SAR-ADC-Assisted DC-DC Buck Converter with Fast Transient Recovery Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2020,Volume: 67,Issue: 9,Page: 1669-1673
Authors: Zeng，Wen Liang; Bonizzoni，Edoardo; Wu，Chi Wa; Lam，Chi Seng; Sin，Sai Weng; Chio，U. Fat; Maloberti，Franco; Martins，Rui Paulo
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ADC additional loop compensation bond-wire inductor buck converter current pump DCM fast transient recovery |
| A Single-Stage Inductive-Power-Transfer Converter for Constant-Power and Maximum-Efficiency Battery Charging Journal article
IEEE Transactions on Power Electronics, 2020,Volume: 35,Issue: 9,Page: 8973-8984
Authors: Huang，Zhicong; Lam，Chi Seng; Mak，Pui In; Martins，Rui Paulo Da Silva; Wong，Siu Chung; Tse，Chi K.
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Battery charging Constant power Inductive power transfer (IPT) Maximum efficiency Soft switching |
| A 10.4mW 50MHz-BW 80dB-DR Single-Opamp Third-Order CTSDM with SAB-ELD-Merged Integrator and 3-Stage Opamp Conference paper
IEEE Symposium on VLSI Circuits, Digest of Technical Papers
Authors: Xing，Kai; Wang，Wei; Zhu，Yan; Chan，Chi Hang; Martins，Rui Paulo
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3-stage opamp CTSDM SAB Integrator |
| A 2.56mW 40MHz-Bandwidth 75dB-SNDR Partial-Interleaving SAR-Assisted NS Pipeline ADC with Background Inter-Stage Offset Calibration Conference paper
Digest of Technical Papers - IEEE International Solid-State Circuits Conference
Authors: Song，Yan; Zhu，Yan; Chan，Chi Hang; Martins，Rui Paulo
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