Design and Simulation of W-band Second Harmonic Periodically Loaded Gyro-TWT Amplifier

被引：0
|
作者：
Akash [1 ]
Thottappan, M. [1 ]
机构：
[1] Indian Inst Technol BHU, CRMT, Dept Elect Engn, Varanasi, Uttar Pradesh, India
来源：
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2019年
关键词：
Gyro-TWT amplifier; Millimeter wave operation; periodic dielectric loading; Second harmonic operation;
D O I：
10.1109/ivec.2019.8745083
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A W-band gyro-TWT amplifier using a periodic lossy dielectric disc loaded RF interaction structure operating in second harmonic TE02 mode is presented. The dielectric loaded linear section is used to suppress the potential BWOs. The present gyro-TWT is modeled in 3D particle-in-cell (PIC) tool to study its beam-wave interaction behavior. The simulation shows a peak power of 600kW in a second harmonic TE02 mode for the DC drive of 100kV, 25A. The electronic efficiency of the present amplifier is calculated as similar to 24% and the saturated gain is similar to 30dB. The -3dB bandwidth of the amplifier is 4.2GHz.
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页数：2
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