Ultrafast Low-Loss 40-70 GHz SPST Switch

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12 Citations (Scopus)


The design and characterizations of an ultrafast single-pole single-throw (SPST) absorptive differential switch are presented. The switch exhibits low insertion loss less than 1 dB, and isolation better than 16 dB from 40 to 70 GHz. Sub-nanosecond switching time is achieved by adopting a differential current-steering technique. The total measured rise and fall time are 75 ps envisaging that switching rates up to 13 Gb/s are achievable. To our best knowledge, this is the fastest, lowest insertion loss V-band SPST switch yet reported that can operate over a wide bandwidth of 30 GHz.
Original languageEnglish
Article number6051497
Pages (from-to)682-684
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number12
Publication statusPublished - Dec 2011

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics


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