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ECE Seminar Series: Wednesday, March 4

By Anonymous

Free Public Seminar - Wednesdays at 10:30 AM - Micron Engineering Center, Room 114

Featuring Andong Yue, ECE PhD Student

Simulation of an Industrial Magnetron Using Cathode Modulation 

ABSTRACT | Magnetrons are highly efficient high-power microwave sources that can be phase-locked using external systems. Results of a simulation study of the L3Harris CWM75KW industrial strapped magnetron will be presented. This study is part of a larger project covering the feasibility of achieving phase control and faster startup in the magnetron via controlled electron injection using gated field emission arras (GFEAs).

The device was simulated by using the 3-D PIC code VSim at its typical operating conditions. The startup behavior was examined with 1) no priming of any kind, 2) RF Priming, and 3) cathode modulation. With no priming, no oscillations were seen up to 300 ns; with RF priming for the first 50 ns, oscillations were then observed at 150 ns; and with the cathode, modulation to create electron spokes, RF oscillation was observed at 130 ns.

SPEAKER BIO | Andong Yue is a third-year PhD ECE student at Boise State University under Dr. Jim Browning. His current research focuses on high-power vacuum electron devices, related to HPC simulations, and big analytics. Prior to Boise State, Andong attended Norwest Nazarene University for his undergraduate study and completed three bachelor's degrees in four majors.

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