28 GHz Quadrature Frequency Generation Exploiting Injection-Locked Harmonic Extractors for 5G Communications

Conference paper (2019)

Authors

Z. Gao University College Dublin, Electronics - EEMCS
Yizhe Hu University College Dublin
Teerachot Siriburanon University College Dublin
R.B. Staszewski University College Dublin
Research Group
Electronics (EEMCS) (TU Delft)
Copyright: © 2019 Z. Gao, Yizhe Hu, Teerachot Siriburanon, R.B. Staszewski
DOI: https://doi.org/10.1109/NEWCAS44328.2019.8961293
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Published Date

2019

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronics

Abstract

This paper proposes a mm-wave quadrature frequency generator using injection-locked harmonic extractors (HEs) incorporated with quadrature class-F oscillators. While maintaining high output levels at 28 GHz, the utilization of injection locking technique improves the effective quality ($Q$)-factor and helps to achieve a fundamental harmonic suppression of 60 dB. This results in an FoM of the entire frequency generation system reaching -184 dB. The consideration of quadrature phase mismatch induced by electromagnetic coupling between quadrature buffers is also discussed.

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