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Novel Marx Generator Topology Design for Low Source Impedance


J. R. Mayes, M.G. Mayes, and M.B. Lara
Applied Physical Electronics, L.C.
Austin, Texas 78734

ABSTRACT

The typical Marx generator designs employ a single stage switch, which usually results in a high source inductance,and ultimately high source impedance, relegating the Marx generator to the role of a high voltage pulsecharging source. A low impedance Marx generator may be used to directly source low impedance loads, such as High Power Microwave loads. Applied Physical Electronics, L.C. (APELC) has developed a new Marx topology based on distributed stage capacitance and parallel stage switches that has been demonstrated to reduce the generator’s series inductance. The erected Marx voltage is 1 MV, with a source impedance of 18 Ω. This paper discusses the Marx topology, with demonstrations made to illustrate the topology’s effectiveness for the APELC MG20-24C-2000PF

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