强激光与粒子束2012，Vol.24Issue(4)：998-1002,5.DOI:10.3788/HP1PB20122404.0998
高功率宽谱开关振荡器
High power wideband switched oscillator
摘要
Abstract
The generation and coupling out of high power wideband microwave based on the switched quarter-wavelength coaxial transmission line oscillator has been addressed. The switched oscillator works at 200 MHz, and is comprised of quarter-wavelength long coaxial transmission lines with a ring-shaped multichannel gaseous spark gap switch at one end. The coupler consists of blocking capacitor and distributed inductance. The generation and coupling out of wideband micorwave in the oscillator was simulated by commercial software. The switching characteristics were also studied. The results of simulation and experiment verify that directly-fed, high impedance and tooth socket structure can improve the stability of the multichannel switch. The wideband microwave generation system has been set up and charged by a high power Marx pulse source with output voltage of 500 kV. The center frequency of radiation is 195 MHz. The radiated peak electric field at a distance of 1 m is 150 kV and the full width at half maximum of frequency spectrum is about 30%.关键词
宽谱微波/同轴谐振器/宽谱耦合器/多通道开关Key words
wideband microwave/coaxial oscillator/wideband coupler/multichannel switch分类
信息技术与安全科学引用本文复制引用
廖勇,谢平,徐刚,张晋琪,张现福,陆巍,杨周炳..高功率宽谱开关振荡器[J].强激光与粒子束,2012,24(4):998-1002,5.基金项目
国家高技术发展计划项目 （）
