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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
Favorite |  | TC[WOS]:1 TC[Scopus]:0 | Submit date:2021/03/04
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  
An NMOS Digital LDO with NAND-Based Analog-Assisted Loop in 28-nm CMOS Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2020,Volume: 67,Issue: 11,Page: 4041-4052
Authors:  Ma,Xiaofei;  Lu,Yan;  Li,Qiang;  Ki,Wing Hung;  Martins,Rui P.
Favorite |  | TC[WOS]:3 TC[Scopus]:4 | Submit date:2021/03/04
Analog assisted (AA)  coarse/fine tuning  digital control  digital low-dropout regulator (LDO)  fully integrated voltage regulator (FIVR)  limit cycle oscillation (LCO)  NMOS LDO  nonlinear control  output-capacitor-free  
A Fully Integrated LDO with 50-mV Dropout for Power Efficiency Optimization Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2020,Volume: 67,Issue: 4,Page: 725-729
Authors:  Ma,Xiaofei;  Lu,Yan;  Li,Qiang
Favorite |  | TC[WOS]:3 TC[Scopus]:4 | Submit date:2021/03/11
high power efficiency  Low-dropout regulator  output-capacitor-free  ultra-fast response  
A 1-nW Ultra-Low Voltage Subthreshold CMOS Voltage Reference with 0.0154%/V Line Sensitivity Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2019,Volume: 66,Issue: 10,Page: 1653-1657
Authors:  Lin,Jie;  Wang,Lidan;  Zhan,Chenchang;  Lu,Yan
Favorite |  | TC[WOS]:6 TC[Scopus]:6 | Submit date:2021/03/11
CMOS voltage reference  line sensitivity  low power  low voltage  subthreshold  
A 0.12-mm2 1.2-to-2.4-mW 1.3-to-2.65-GHz Fractional-N bang-bang digital PLL with 8-μs settling time for multi-ISM-Band ULP radios Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2019,Volume: 66,Issue: 9,Page: 3307-3316
Authors:  Un,Ka Fai;  Qi,Gengzhen;  Yin,Jun;  Yang,Shiheng;  Yu,Shupeng;  Ieong,Chio In;  Mak,Pui In;  Martins,Rui P.
Favorite |  | TC[WOS]:3 TC[Scopus]:3 | Submit date:2021/03/09
bang-bang  Digital phase-locked loop (DPLL)  digital-to-time converter (DTC)  gain calibration  ring VCO  ultra-fast settling  ultra-low-power (ULP)  voltage-controlled oscillator (VCO)  
A 0.5-V-supply, 37.8-nW, 17.6-ppm/°C switched-capacitor bandgap reference with second-order curvature compensation Journal article
Microelectronics Journal, 2019,Volume: 87,Page: 136-143
Authors:  Liu,Yang;  Li,Bin;  Chen,Zhaoquan;  Chen,Zhijian;  Huang,Mo;  Lu,Yan
Favorite |  | TC[WOS]:0 TC[Scopus]:0 | Submit date:2021/03/11
Bandgap reference  High order curvature compensation  Switched-capacitor  Ultra-low power  
A 0.5-V 0.4-to-1.6-GHz 8-Phase Bootstrap Ring-VCO Using Inherent Non-Overlapping Clocks Achieving a 162.2-dBc/Hz FoM Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2019,Volume: 66,Issue: 2,Page: 157-161
Authors:  Jiang T.;  Yin J.;  Mak P.-I.;  Martins R.P.
Favorite |  | TC[WOS]:6 TC[Scopus]:3 | Submit date:2019/02/14
Bootstrap (Bt)  Low Voltage  Non-overlapping Clock  Phase Noise  Ring Voltage-controlled Oscillator (Rvco)  
A coin-battery-powered LDO-Free 2.4-GHz Bluetooth Low Energy/ZigBee receiver consuming 2 mA Journal article
Integration, 2019
Authors:  Balan Z.;  Ramiah H.;  Rajendran J.;  Vitee N.;  Shasidharan P.N.;  Yin J.;  Mak P.-I.;  Martins R.P.
Favorite |  | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/02/11
Bluetooth Low Energy (BLE)  CMOS receiver  Current-reuse  Forward body bias  I/Q mixers  Low power  Quadrature LNA  Voltage-controlled oscillator (VCO)  ZigBee  
A 0.0056-mm2 -249-dB-FoM All-Digital MDLL using a block-sharing offset-free frequency-tracking loop and dual multiplexed-ring VCOs Journal article
IEEE Journal of Solid-State Circuits, 2019,Volume: 54,Issue: 1,Page: 88-98
Authors:  Yang S.;  Yin J.;  Mak P.-I.;  Martins R.P.
Favorite |  | TC[WOS]:10 TC[Scopus]:10 | Submit date:2019/02/11
Clock Multiplier  Digital-controlled Delay Line (Dcdl)  Frequency-tracking Loop (Ftl)  Injection-locked Phase-locked Loop (Il-pll)  Multiplying Delay-locked Loop (Mdll)  Phase Noise  Ring Voltage-controlled Oscillator (Rvco)  Root-mean-square (Rms) Jitter  
Nano-Ampere Low-Dropout Regulator Designs for IoT Devices Conference paper
Authors:  Huang, Yuanqing;  Lu, Yan;  Maloberti, Franco;  Martins, Rui P.
Favorite |  | TC[WOS]:8 TC[Scopus]:8 | Submit date:2018/10/30
LDO regulator  output-capacitor-free LDO regulator  ultra-low quiescent LDO  dynamic current boosting