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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  |  View/Download:25/0  |  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  
An inverse-class-F CMOS oscillator with intrinsic-high-Q first harmonic and second harmonic resonances Journal article
IEEE Journal of Solid-State Circuits, 2018,Volume: 53,Issue: 12,Page: 3528-3539
Authors:  Lim C.C.;  Ramiah H.;  Yin J.;  Mak P.-I.;  Martins R.P.
Favorite  |  View/Download:6/0  |  Submit date:2019/02/11
Figure of merit (FoM)  flicker noise upconversion  inverse-class-F (class-F-1) oscillator  phase noise (PN)  second harmonic resonance  voltage-biased oscillator  
A 5.35-mW 10-MHz Single-Opamp Third-Order CT Δ\Σ Modulator with CTC Amplifier and Adaptive Latch DAC Driver in 65-nm CMOS Journal article
IEEE Journal of Solid-State Circuits, 2018,Volume: 53,Issue: 10,Page: 2783-2794
Authors:  Wang W.;  Zhu Y.;  Chan C.-H.;  Martins R.P.
Favorite  |  View/Download:6/0  |  Submit date:2019/02/11
Analog-to-digital conversion (ADC)  continuous-time (CT) delta-sigma modulator  DAC driver  passive integrator  single amplifier biquad (SAB)  
A Regulation-Free Sub-0.5-V 16-/24-MHz Crystal Oscillator with 14.2-nJ Startup Energy and 31.8-μW Steady-State Power Journal article
IEEE Journal of Solid-State Circuits, 2018,Volume: 53,Issue: 9,Page: 2624-2635
Authors:  Lei K.-M.;  Mak P.-I.;  Law M.-K.;  Martins R.P.
Favorite  |  View/Download:17/0  |  Submit date:2019/02/11
Bluetooth Low-energy (Ble)  Chirping  Cmos  Crystal Oscillator (Xo)  Duty-cycling  Energy Harvesting (Eh)  Fast Startup  Internet-of-things (Iot)  Ultralow Power (Ulp)  Ultralow Voltage (Ulv)  
A 0.18-V 382-μ W Bluetooth Low-Energy Receiver Front-End with 1.33-nW Sleep Power for Energy-Harvesting Applications in 28-nm CMOS Journal article
IEEE Journal of Solid-State Circuits, 2018,Volume: 53,Issue: 6,Page: 1618-1627
Authors:  Yi H.;  Yu W.-H.;  Mak P.-I.;  Yin J.;  Martins R.P.
Favorite  |  View/Download:3/0  |  Submit date:2019/02/11
Bandgap reference (BGR)  Bluetooth low energy (BLE)  charge pump (CP)  class-D voltage-controlled oscillator (VCO)  CMOS  energy harvesting  low-noise amplifier (LNA)  micropower manager (μPM)  power-gating  receiver (RX)  ultra-low power (ULP)  ultra-low voltage (ULV)  
An Analog-Assisted Tri-Loop Digital Low-Dropout Regulator Journal article
IEEE Journal of Solid-State Circuits, 2018,Volume: 53,Issue: 1,Page: 20-34
Authors:  Huang M.;  Lu Y.;  Seng-Pan U.;  Martins R.P.
Favorite  |  View/Download:15/0  |  Submit date:2019/02/11
Amplifier  Analog Assisted (Aa)  Coarse/fine Tuning  Digital Control  Fully Integrated Voltage Regulator (Fivr)  Limit Cycle Oscillation (Lco)  Low-dropout (Ldo) Regulator  Nonlinear Control  Output-capacitor-free  Power Management  
A Time-Interleaved Ring-VCO with Reduced 1/f3 Phase Noise Corner, Extended Tuning Range and Inherent Divided Output Journal article
IEEE Journal of Solid-State Circuits, 2016,Volume: 51,Issue: 12,Page: 2979-2991
Authors:  Yin J.;  Mak P.-I.;  Maloberti F.;  Martins R.P.
Favorite  |  View/Download:12/0  |  Submit date:2019/02/11
1/f3 Phase Noise Corner  Divided Output  Flicker Noise  Impulse Sensitivity Function (Isf)  Phase Combiner  Phase Noise  Ring Voltage-controlled Oscillator (Rvco)  Supply Voltage  Time-interleaved (Ti).  
A 2.4 GHz ZigBee receiver exploiting an RF-to-BB-current-reuse Blixer + hybrid filter topology in 65 nm CMOS Journal article
IEEE Journal of Solid-State Circuits, 2014,Volume: 49,Issue: 6,Page: 1333
Authors:  Lin Z.;  Mak P.-I.;  Martins R.P.
Favorite  |  View/Download:8/0  |  Submit date:2018/10/30
Balun low-noise amplifier (Balun-LNA)  CMOS  current reuse  hybrid filter  local oscillator (LO)  mixer  noise figure (NF)  noise-canceling  noise-shaping  output balancing  polyphase filter (PPF)  RC-CR network  receiver  voltage-controlled oscillator (VCO)  wireless  ZigBee  
A 2.5-V 57-MHz 15-tap SC bandpass interpolating filter with 320-MS/s output for DDFS system in 0.35-μm CMOS Journal article
IEEE Journal of Solid-State Circuits, 2004,Volume: 39,Issue: 1,Page: 87-99
Authors:  U S.-P.;  Martins R.P.;  Franca J.E.
Favorite  |  View/Download:15/0  |  Submit date:2019/02/11
Autozeroing  Bandpass  Cmos Analog Integrated Circuits  Direct-digital Synthesis  Filters  Frequency-translated Filtering  Interpolation  Multirate Signal Processing  Sampled Data Circuits  Signal Sampling/reconstruction  Switched-capacitor Filters  
An Optimum CMOS Switched-Capacitor Antialiasing Decimating Filter Journal article
IEEE Journal of Solid-State Circuits, 1993,Volume: 28,Issue: 9,Page: 962-970
Authors:  Franca J.E.;  Martins R.P.;  Maloberti F.
Favorite  |  View/Download:5/0  |  Submit date:2019/02/11