Cold test simulation method for double-gap output circuit with double coupling apertures

Ge Meng; Wang Yong

doi:10.3788/HPLPB20132503.0675

Volume 25 Issue 03

Mar. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(03): 675-679

Ge Meng, Wang Yong. Cold test simulation method for double-gap output circuit with double coupling apertures[J]. High Power Laser and Particle Beams, 2013, 25: 675-679. doi: 10.3788/HPLPB20132503.0675

Citation:

Ge Meng, Wang Yong. Cold test simulation method for double-gap output circuit with double coupling apertures[J]. High Power Laser and Particle Beams, 2013, 25: 675-679. doi: 10.3788/HPLPB20132503.0675

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Cold test simulation method for double-gap output circuit with double coupling apertures

doi: 10.3788/HPLPB20132503.0675

Ge Meng^{1,2
,
,},
Wang Yong¹

1.
Key Laboratory of High Power Microwave Sources and Technologies,Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2012-06-25
Rev Recd Date: 2012-10-22
Publish Date: 2013-03-05

Abstract

Abstract

Based on microwave net theory, a cold test simulation model of double-gap output circuit with double coupling apertures was developed from that of output circuit with single coupling aperture. A computation method for gap impedance was also developed based on this model, by which the real part and imaginary part of the gap impedance can be both obtained. Meanwhile, a double-gap cavity with double coupling apertures for an S band klystron was simulated to show how to compute the gap impedance and external quality factor of the output cavity with this simulation method, and the computed result is verified to be reasonable in theory. The computed result was analyzed and compared with those obtained with the field analysis method and the scattering parameter of output circuit, confirming the reliability of this cold test simulation method.
- klystron,
- double-gap output cavity,
- double coupling apertures,
- gap impedance

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