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

The use of microplasma discharges as power-induced limiter elements in microstrip devices is proposed to protect receivers against high-power microwave threats. A microstrip bandpass filter integrating such a microplasma-based active microwave power limiter has been designed and measured. Power limi...

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Bibliographic Details
Published in:Electronics letters 2015-07, Vol.51 (14), p.1090-1092
Main Authors: Pascaud, R, Pizarro, F, Callegari, T, Liard, L, Pigaglio, O, Pascal, O
Format: Article
Language:English
Subjects:
Bandpass filters
band‐pass filters
Electromagnetism
Electronics
Engineering Sciences
gaseous property
high‐power microwave
HPM threats
Insertion loss
Leakage
low insertion loss microplasma‐based active microwave power limiter
microplasma discharges
Microplasmas
microstrip bandpass filter
Microstrip devices
microstrip filters
microwave limiters
Microwave technology
Microwaves
plasma devices
Plasmas
Power limiters
power‐induced limiter elements
Receivers
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Summary:The use of microplasma discharges as power-induced limiter elements in microstrip devices is proposed to protect receivers against high-power 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.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2015.1159