Package-induced cross-coupling effect on amplifier harmonic suppression

Han Jan Chen, Tsung Hui Huang, Chin Sheng Chang, Lih Shan Chen, Jui Hong Horng, Yeong-Her Wang, Mau-phon Houng

Research output: Contribution to journalArticle


A composite bandpass low noise amplifier, designed by the image parameter method and semi-lumped component approach, is described and results for image filtering are presented. Moreover, the source-load coupling capacitor incorporation with system grounding inductors give the amplifiers controllable finite transmission zeros in the stopband without adding any extra elements. By properly adjusting the system inductance values, the zero point at a high-side skirt to suppress the harmonic frequency for linearity improvement can be easily manipulated. Good skirt selectivity and controllable stopband characteristics can be achieved simultaneously.

Original languageEnglish
Pages (from-to)332-336
Number of pages5
JournalMicrowave and Optical Technology Letters
Issue number2
Publication statusPublished - 2007 Feb 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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