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A W-band balanced power amplifier using broadside coupled strip-line coupler in SiGe BiCMOS 0.13- μm technology

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journal contribution
posted on 11.12.2018, 09:23 by Zhang Ju Hou, Yang Yang, Leung Chiu, Xi Zhu, Eryk Dutkiewicz, J. C. Vardaxoglou, Quan Xue
Load-variation insensitivity, for impedance matching between power amplifiers (PAs) and transmitting antennas, contributes to challenging the design of millimeter-wave wireless systems. In this paper, a W-band two-way balanced PA based on a compact quadrature coupler with a broadside coupled stripline (BCSL) as the core is presented to enhance the load-variation insensitivity and stability. The proposed coupler is truly broadband with low amplitude and phase imbalance. The proposed W-band balanced PA achieves higher power-added efficiency (PAE) and unsaturated output power sat over wide frequency bandwidth. The W-band balanced PA is implemented in a 0.13-μm SiGe BiCMOS process and achieves a measured sat of 16.3 dBm and a peak PAE of 14.1% at 100 GHz (with 1.6-V power supply). The measured sat with 1-dB bandwidth is from 91 to 102 GHz. The measured results present the feasibility of the compact quadrature coupler. The total chip surface area (with pads) is 0.64 mm 2 , where the size of the proposed quadrature coupler area is only 0.04 mm2.

Funding

This work was supported by the Fundamental Research Program of Shenzhen City under Grant JCYJ20160608153614297, in part by the National Key Basic Research Program of China (973 program) under Grant 2014CB339900, and in part by the Australian Research Council under Grant DE160101032.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

IEEE Transactions on Circuits and Systems I: Regular Papers

Volume

65

Issue

7

Pages

2139 - 2150

Citation

HOU, Z.J. ... et al, 2018. A W-band balanced power amplifier using broadside coupled strip-line coupler in SiGe BiCMOS 0.13- μm technology. IEEE Transactions on Circuits and Systems I: Regular Papers, 65 (7), pp.2139-2150.

Publisher

© IEEE

Version

AM (Accepted Manuscript)

Publication date

2017-12-21

Notes

© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

ISSN

1549-8328

eISSN

1558-0806

Language

en