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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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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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