A Ka-band monolithic CPW-mode T/R modules using 0. 15 μm gate-length GaAs pHEMT technology

Chia Shih Cheng*, Chien Cheng Wei, Hsien Chin Chiu, Yi Chyun Chiang, Jeffrey S. Fu, Chia Song Wu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper presents the designs and measurement results of the monolithic coplanar waveguide (CPW) Ka-band millimeter wave integrated circuits, including low noise amplifier, single-balance mixer, power amplifier, and oscillator. The millimeter wave ICs were fabricated with a 0.15 μm T-shape gate GaAs pseudomorphic HEMTs technology, carried out by commercially available foundry. The CPW process was applied in this work to avoid back-side process and various impedances can also be adjusted by line width and gap. Therefore, these sub-circuits can be integrated using CPW technology easily and no via-hole process was involved to reduce the process cost.

Original languageEnglish
Title of host publication2008 Global Symposium on Millimeter Waves, Proceeding, GSMM 2008
PublisherIEEE Computer Society
Pages87-90
Number of pages4
ISBN (Print)9781424418855
DOIs
StatePublished - 2008
Event2008 Global Symposium on Millimeter Waves, GSMM 2008 - Nanjing, China
Duration: 21 04 200824 04 2008

Publication series

Name2008 Global Symposium on Millimeter Waves, Proceeding, GSMM 2008

Conference

Conference2008 Global Symposium on Millimeter Waves, GSMM 2008
Country/TerritoryChina
CityNanjing
Period21/04/0824/04/08

Keywords

  • Amplifier
  • CPW
  • GaAs pHEMT
  • Millimeter wave
  • Mixer
  • Oscillator

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