Broadband communication

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Design and Analysis of a 13.7–41 GHz Ultra-Wideband Frequency Doubler With Cross-Coupled Push-Push Structure

Design and Analysis of a 13.7–41 GHz Ultra-Wideband Frequency Doubler With Cross-Coupled Push-Push Structure 150 150
Author(s): Kai Li, Keping Wang, Fanyi Meng, Kiat Seng Yeo, Kaixue Ma

Abstract:

This article presents a 13.7–41 GHz ultra-wideband frequency doubler with high efficiency and conversion gain (CG). The proposed cross-coupled push-push structure, in conjunction with the fourth-order transformer-based resonator and the series gate inductor, collaboratively shapes the input signal amplitude such that three distinct peaks emerge at different frequencies, thereby significantly improving …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3667289
Publisher: IEEE

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A Broadband and Compact GaN Millimeter-Wave MMIC SPDT Switch Using Modified π-Networks

A Broadband and Compact GaN Millimeter-Wave MMIC SPDT Switch Using Modified π-Networks 150 150
Author(s): Chaorong Wang, Quan Pan, Xiaohu Fang

Abstract:

This letter presents a design methodology for broadband and compact millimeter-wave (mm-wave) single-pole double-throw (SPDT) switches targeting the Ku–Ka band. Conventional SPDT switches based on quarter-wavelength transmission line typically occupy significant chip area, while alternative designs utilizing standard $\pi $ -type equivalent circuits often suffer from bandwidth degradation due to …

Published in: IEEE Solid-State Circuits Letters
Page(s): 21 – 24
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3646815
Publisher: IEEE

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