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近几年来,人们对于数字和微波(模拟)单块集成电路两方面的兴趣在增加。由于GaAs的优越的高频半导电的特性,以及半绝缘GaAs的存在,这些振奋人心的发展已成为可能。对于象微波(?)输线和低损耗内部连接和遍及各处GaAs场效应晶体管的界限来说,半绝缘GaAs是一种很好的电介质,GaAs场效应晶体管已应用于超高速开关,低噪声和中功率放大,信号发生和控
In recent years, there has been increased interest in both digital and microwave (analog) monolithic integrated circuits. Thanks to the superior high-frequency semiconducting nature of GaAs and the presence of semi-insulating GaAs, these exciting developments have become possible. Semi-insulating GaAs is a good dielectric for microwave transmission lines, low-loss internal connections, and wide GaAs FETs. GaAs FETs have been used in very high speed switching, low noise And the power amplifier, signal generation and control