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Dynamic phase-control of a rising sun magnetron using modulated and continuous current

Title
Dynamic phase-control of a rising sun magnetron using modulated and continuous current
Author
Lin, Ming-Chieh
Issue Date
2016-01
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v. 119, NO 4, Article number 044501, Page. 1-5
Abstract
Phase-control of a magnetron is studied via simulation using a combination of a continuous current source and a modulated current source. The addressable, modulated current source is turned ON and OFF at the magnetron operating frequency in order to control the electron injection and the spoke phase. Prior simulation work using a 2D model of a Rising Sun magnetron showed that the use of 100% modulated current controlled the magnetron phase and allowed for dynamic phase control. In this work, the minimum fraction of modulated current source needed to achieve a phase control is studied. The current fractions (modulated versus continuous) were varied from 10% modulated current to 100% modulated current to study the effects on phase control. Dynamic phase-control, stability, and start up time of the device were studied for all these cases showing that with 10% modulated current and 90% continuous current, a phase shift of 180 degrees can be achieved demonstrating dynamic phase control. (C) 2016 AIP Publishing LLC.
URI
http://aip.scitation.org/doi/10.1063/1.4940376http://hdl.handle.net/20.500.11754/30428
ISSN
0021-8979; 1089-7550
DOI
10.1063/1.4940376
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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