A novel coplanar waveguide series stub matching structure for a broadband amplifier

Hwann‐Kaeo ‐K Chiou, Chi‐Yang ‐Y Chang, Hao‐Hsiung ‐H Lin

Research output: Contribution to journalArticlepeer-review

Abstract

We report a novel series stub matching structure for broadband amplifiers. In this design, the series open stub is utilized to provide both rf matching and dc blocking for the amplifier. Based on coplanar waveguide (CPW) transmission lines, the amplifier is realized. Excellent bandpass response of a 7.5‐dB gain with ±0.7‐dB flatness and a 8‐dB return loss are obtained over a 70% bandwidth with a center frequency of 9 GHz. © 1995 John Wiley & Sons, Inc.

Original languageEnglish
Pages (from-to)307-310
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume10
Issue number5
DOIs
StatePublished - 5 Dec 1995

Keywords

  • broadband amplifiers
  • Coplanar waveguide
  • impedance matching
  • MMIC

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