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This is capable of withstanding power surges without burning out before the fuse blows.
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| | It's usual for a printed dipole to be encapsulated in polyurethane foam then use epoxy adhesive to glue glass cloth on the surface of polyurethane foam. This method has advantages of light weight, high strength, easy manufacturing and low cost. But the heat conductivity of polyurethane foam is not good enough to dissipate heat that printed dipole has produced due to its power loss. So the power capacity of printed dipole is limited. The calculation and test methods of the power capacity of printed dipole wh... | | 聚氨脂泡沫发泡成型 ,外表用环氧胶粘贴玻璃布是印刷振子天线常用的包封方法 ,具有重量轻、强度高、制造方便、成本低的优点。但聚氨脂泡沫导热性能差 ,印刷振子损耗产生的热量不易散出去 ,因而限制了天线的耐功率能力。文中介绍了聚氨脂泡沫包封印刷振子天线的耐功率计算和试验测试方法 | | 文摘来源 | | The packaged high microwave power resisting PIN diodes have been designed and fabricated in a small size by accurate calculate the P+,P-diffusion and corrosion of mesa. This paper introduces the method of PIN diode about design of high microwave power resisting, low temperature Pb-glass passivate technique, design of multi-stored metal and corrosion of mesa. The packaged PIN diode’s features are: resistant high microwave power, low forward Rs, fast trr, low capacitance. The diode can be wide used in microwa... | | 通过精确控制扩散工艺和台面腐蚀工艺研制了一种小型化的高功率微波二极管。对耐微波大功率的设计、低温铅玻璃钝化、多层金属化电极系统、台面腐蚀等先进工艺技术进行了研究,样品具有耐功率大、正向电阻小、反向恢复时间短、结电容小等优点,可广泛应用于微波电调衰减器和开关等微波电路中。 | | 文摘来源 | | This paper detail describes the type,production process and some properties of absorber in anechoic chamber.The properties of absorber such as reflectivity,fire resistance property,power resistance property,etc.Provides a direction on how to choose absorber in anechoic chamber building. | | 详细介绍了电波暗室用吸波材料的种类、制造工艺,以及电波暗室用吸波材料的反射率、阻燃性、耐功率等性能指标,为暗室建造企业在选择吸波材料时提供参考。 | | 文摘来源 | |   |
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