A high attenuation electromagnetic pulse protector with GDT, MOV and parallel coupled BPF on high thermal conductivity substrates

M. J. Jeng, A. Das, Liann Be Chang, C. C. Lin, Y. C. Ferng, Chuan-Feng Shih, S. Y. Liao, S. T. Chou, J. C. Liu, L. Chow

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An alternative approach for robust electromagnetic pulse (EMP) protection circuit was proposed by using a parallel coupled band-pass filter (BPF) with high thermal conductivity AlN substrate in between with a traditional gas discharge tube (GDT) and fast response metal oxide varistor (MOV). This proposed configuration can suppress slow as well as fast voltage surges. The fabricated BPF with a center frequency of 2.5 GHz on the high thermal conductive (180~200 W/m·K) AlN substrate could efficiently suppress high power over voltage surge. Through the purposed cascade protection configuration, it is observed that 6KV ESD fast introduced pulse (5 ns/50 ns) and 4 KV lightning surge pulse(1 μs/50 μs) were attenuated to 511V and 396 V, respectively, and that is capable to be applied to an EMP protection circuit in the front end of a linear amplifier applications.

Original languageEnglish
Pages (from-to)73-81
Number of pages9
JournalProgress in Electromagnetics Research Letters
Volume33
DOIs
Publication statusPublished - 2012 Oct 2

Fingerprint

Gas discharge tubes
Electromagnetic pulse
Varistors
Bandpass filters
Oxides
Thermal conductivity
Metals
Networks (circuits)
Electric potential
Lightning
Substrates
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

Jeng, M. J. ; Das, A. ; Chang, Liann Be ; Lin, C. C. ; Ferng, Y. C. ; Shih, Chuan-Feng ; Liao, S. Y. ; Chou, S. T. ; Liu, J. C. ; Chow, L. / A high attenuation electromagnetic pulse protector with GDT, MOV and parallel coupled BPF on high thermal conductivity substrates. In: Progress in Electromagnetics Research Letters. 2012 ; Vol. 33. pp. 73-81.
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A high attenuation electromagnetic pulse protector with GDT, MOV and parallel coupled BPF on high thermal conductivity substrates. / Jeng, M. J.; Das, A.; Chang, Liann Be; Lin, C. C.; Ferng, Y. C.; Shih, Chuan-Feng; Liao, S. Y.; Chou, S. T.; Liu, J. C.; Chow, L.

In: Progress in Electromagnetics Research Letters, Vol. 33, 02.10.2012, p. 73-81.

Research output: Contribution to journalArticle

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AU - Shih, Chuan-Feng

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