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A K-/Ka-band High-Power Single-Pole-Double-Throw Switch Featuring Absorptive Characteristic

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2 Scopus citations

Abstract

A K-/Ka-band high-power single-pole-double-throw (SPDT) switch featuring absorptive characteristic for mobile satellite communication (SATCOM) phased arrays is presented in this work. Conventionally, the operating bandwidth of the absorptive RF switches were limited due to the adoption of two quarter-wavelength transmission lines for the reflective and absorptive branch. Through theoretical analysis, a wideband absorptive SPDT switch was realized using the 0.12-μm GaN/SiC high-electron mobility transistor (HEMT) technology. The experimental results have demonstrated an insertion loss of less than 3.2 dB, an isolation of greater than 26.2 dB, and an input 0.1-dB compression point (P0.1dB) of better than 32.6 dBm from the 17-30 GHz, respectively.

Original languageEnglish
Title of host publicationISCAS 2025 - IEEE International Symposium on Circuits and Systems, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350356830
DOIs
StatePublished - 2025
Event2025 IEEE International Symposium on Circuits and Systems, ISCAS 2025 - London, United Kingdom
Duration: 25 May 202528 May 2025

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2025 IEEE International Symposium on Circuits and Systems, ISCAS 2025
Country/TerritoryUnited Kingdom
CityLondon
Period25/05/2528/05/25

Keywords

  • Absorptive
  • GaN
  • millimeter-wave
  • phased array
  • satellite communication (SATCOM)
  • single-pole-double-throw (SPDT)
  • switch

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