IME Newsletter 2019

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A Millimeter-Wave Multi-Resonant-RLCM-Tank VCO Exploitinga Single-Turn Multi-Tap Inductor and CM-Only Switched-CapacitorArraysFrom Wireless research lineHao Guo, Yong Chen, Pui-In Mak, and Rui P. MartinsIn ISSCC 2019 and JSSC 2020MotivationThis paper reports an area-efficient millimeter-waveVCO featuring a multi-resonant Resistor-Inductor-Capacitor-Mutual inductance (RLCM) tank to improvethe phase-noise performance at low power.Specifically, we incorporate a single-turn multi-tapinductor with common-mode (CM)-only switchedcapacitorarrays to generate and align the 1 st , 2 nd and3 rd harmonic resonances; all with high intrinsic qualityfactor and impedance. Prototyped in 65-nm CMOStechnology, the VCO achieves a FOM @1MHz up to191.6 dBc/Hz over a 16% tuning range (25.5 to 29.9GHz), while exhibiting a low 1/f 3 phase noise cornerbetween 130 to 230 kHz. The die area is 0.08 mm 2 .ArchitectureImplementationVerification
A 2.56mW 40MHz-Bandwidth 75dB-SNDR Partial-InterleavingSAR-Assisted NS Pipeline ADC With Background Inter-StageOffset CalibrationYan Song, Yan Zhu, Chi Hang Chan, Rui P. MartinsFrom Data Conversion and Signal Processing research lineIn ISSCC 2020MotivationArchitectureImplementationVerification
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IME Newsletter 2019

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