A K-band miniature, broadband, high output power HBT MMIC balanced doubler with integrated balun

Ching Chih Weng*, Zuo-Min Tsai , Huei Wang

*Corresponding author for this work

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

9 Scopus citations

Abstract

A K-Band frequency doubler using InGaP HBT is developed, which features high fundamental frequency rejection, flat conversion loss over wide bandwidth, and high saturation output power. To obtain a balanced signal, a compact on-chip lumped rat-race hybrid is implemented. The circuit exhibits a measured conversion loss of 4 dB over the output frequencies from 14 to 22 GHz. The fundamental frequency suppression is better than 20 dB and the second harmonic saturation output power is higher than 7.3 dBm with a miniature chip size of 1 mm × 1 mm.

Original languageEnglish
Title of host publication35th European Microwave Conference 2005 - Conference Proceedings
Pages1571-1574
Number of pages4
DOIs
StatePublished - 1 Dec 2005
Event2005 European Microwave Conference - Paris, France
Duration: 4 Oct 20056 Oct 2005

Publication series

Name35th European Microwave Conference 2005 - Conference Proceedings
Volume3

Conference

Conference2005 European Microwave Conference
Country/TerritoryFrance
CityParis
Period4/10/056/10/05

Keywords

  • Doubler
  • HBT
  • MMIC

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