Gyrotron-traveling wave-tube circuits based on lossy ceramics
Gyrotron-traveling wave-tube circuits based on lossy ceramics
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DOI：
10.1109/ted.2002.801254
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发表时间：
2002-08
影响因子：
3.1
通讯作者：
J. Calame;M. Garven;B. Danly;B. Levush;K. Nguyen
中科院分区：
文献类型：
--
作者：
J. Calame;M. Garven;B. Danly;B. Levush;K. Nguyen
回旋行波管(Gyro-TWT)是一种同时具有高功率、高频和宽带能力的微波放大器。提出了一种使用单片有损陶瓷结构提供35 GHz陀螺行波管TE/SUB01/圆柱导轨工作模式的受控加载的技术。加载方案还抑制TE/SUB 11/、TE/SUB 21/和TE/SUB 02/模式中的杂散回波振荡，该加载方案基于交替的陶瓷圆柱壳和金属环序列以形成电子束隧道。提出了实现最佳性能的设计技术和降低对温度引起的陶瓷介电性能变化的敏感性的方法。
The gyro-traveling wave tube (gyro-TWT) is a microwave amplifier with simultaneous high power, high frequency, and broad bandwidth capabilities. Techniques for providing a controlled loading of the TE/sub 01/ cylindrical-guide operating mode of a 35 GHz gyro-TWT using monolithic, lossy ceramic structures are presented. The loading scheme, which also suppresses spurious backward-wave oscillations in the TE/sub 11/, TE/sub 21/, and TE/sub 02/ modes, is based on a sequence of alternating ceramic cylindrical shells and metal rings to form the electron beam tunnel. Design techniques for achieving optimal performance and methods for reducing the sensitivity to temperature-induced variations in ceramic dielectric properties are presented.