Low insertion loss microplasma-based limiter integrated into a microstrip bandpass filter

R. Pascaud, FRANCISCO GUILLERMO PIZARRO TORRES, T. Callegari, L. Liard, O. Pigaglio, O. Pascal

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The use of microplasma discharges as power-induced limiter elements in microstrip devices is proposed to protect receivers against highpower microwave threats. A microstrip bandpass filter integrating such a microplasma-based active microwave power limiter has been designed and measured. Power limitation is observed when the input power exceeds 19 dBm with a leakage power of 14 dBm. Due to the gaseous properties of the active medium, the proposed structure exhibits a very low additional insertion loss of 0.06 dB.

Original languageEnglish
Pages (from-to)1090-1092
Number of pages3
JournalElectronics Letters
Volume51
Issue number14
DOIs
StatePublished - 9 Jul 2015

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