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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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220 GHz, 8.5-dBm Saturated Output Power Wideband Power Amplifier in SiGe BiCMOS

220 GHz, 8.5-dBm Saturated Output Power Wideband Power Amplifier in SiGe BiCMOS 150 150
Author(s): Xun Chen, Jonas Winkelhake, Muh-Dey Wei, Renato Negra

Abstract:

This letter presents a broadband $G$ -band power amplifier (PA) designed in a 130-nm silicon-germanium (SiGe) bipolar complementary metal-oxide-semiconductor technology. Unlike dual-band matching and staggered tuning techniques to obtain large operation bandwidth (BW), we propose a common broadband amplification stage in this work for its flexibility. In each stage, inductive …

Published in: IEEE Solid-State Circuits Letters
Page(s): 17 – 20
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3646267
Publisher: IEEE

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