A Low-Flicker-Noise 30-GHz Class-F23 Oscillator in 28-nm CMOS Using Implicit Resonance and Explicit Common-Mode Return Path

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Title: A Low-Flicker-Noise 30-GHz Class-F23 Oscillator in 28-nm CMOS Using Implicit Resonance and Explicit Common-Mode Return Path
Authors: Hu, YizheSiriburanon, TeerachotStaszewski, Robert Bogdan
Permanent link: http://hdl.handle.net/10197/11034
Date: 24-Apr-2018
Online since: 2019-08-26T13:19:53Z
Abstract: This paper presents a millimeter-wave (mmW) frequency generation stage aimed at minimizing phase noise (PN) via waveform shaping and harmonic extraction while suppressing flicker noise upconversion via proper harmonic terminations. A 2nd-harmonic resonance is assisted by a proposed embedded decoupling capacitor inside a transformer for explicit common-mode current return path. Class-F operation with 3rd-harmonic boosting and extraction techniques allow maintaining high quality factor of a 10-GHz tank at the 30-GHz frequency generation. We further propose a comprehensive quantitative analysis method of flicker noise upconversion mechanism exploiting latest insights into the flicker noise mechanisms in nanoscale short-channel transistors, and it is numerically verified against foundry models. The proposed 27.3- to 31.2-GHz oscillator is implemented in TSMC 28-nm CMOS. It achieves PN of -106 dBc/Hz at 1-MHz offset and figure-of-merit (FoM) of -184 dBc/Hz at 27.3 GHz. Its flicker phase-noise (1/f3) corner of 120 kHz is an order-of-magnitude better than currently achievable at mmW.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Science Foundation Ireland
Type of material: Journal Article
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Journal: IEEE Journal of Solid-State Circuits
Volume: 53
Issue: 7
Start page: 1977
End page: 1987
Copyright (published version): 2018 IEEE
Keywords: 30 GHzExplicit common-mode (CM) return pathFifth generation (5G) communicationFlicker noise reductionImplicit resonanceImpulse sensitivity function (ISF)Low phase noise (PN)Millimeter-wave (mmW)OscillatorPeriodic transfer function (PXF)
DOI: 10.1109/JSSC.2018.2818681
Language: en
Status of Item: Peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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