On-chip transformer-coupled balun bandpass filter for 5-GHz applications

Chia Feng Chang, Yo Shen Lin

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

4 Scopus citations

Abstract

In this work, an on-chip transformer-coupled balun bandpass filter is presented. The proposed balun bandpass filter features a compact chip size and it can be designed according to the desired bandpass response and reference impedance. Specifically, a balun bandpass filter of 3rd-order bandpass response is demonstrated using the GaAs pHEMT process. The chip size is 1 mm×1 mm for a center frequency 0 of 5.4 GHz and a bandwidth of about 28%. The corresponding electrical size is only about 0.018λ0 × 0.018λ0 at 5.4 GHz. Good balanced performance is also achieved.

Original languageEnglish
Title of host publication2015 IEEE MTT-S International Microwave Symposium, IMS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982752
DOIs
StatePublished - 24 Jul 2015
EventIEEE MTT-S International Microwave Symposium, IMS 2015 - Phoenix, United States
Duration: 17 May 201522 May 2015

Publication series

Name2015 IEEE MTT-S International Microwave Symposium, IMS 2015

Conference

ConferenceIEEE MTT-S International Microwave Symposium, IMS 2015
Country/TerritoryUnited States
CityPhoenix
Period17/05/1522/05/15

Keywords

  • Balun
  • bandpass filter
  • GaAs
  • transformer

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