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近代科学技术的飞跃发展,要求使用频带极宽的放大器.在当代几项尖端科学,例如核子物理研究、雷达、电视、多路微波中继通信及其他许多测试仪表中都使用了频带极宽的放大器,其频带从几千赫一直延伸到几百兆赫(必要时可从直流开始).这样宽的频带用普通的补偿电路难于满足要求,于是出现了“分布放大器”.分布放大器的频带可满足上述要求.本文准备简单介绍它的实用计算方法及一些具体考虑.
The rapid development of modern science and technology requires the use of extremely wide band amplifiers, and very broad frequency bands are used in several cutting-edge sciences such as nuclear physics, radar, television, multi-channel microwave relay communications, and many other test instruments Amplifier whose frequency band extends from a few kilohertz to several hundreds of megahertz (if necessary, from dc) .While such a wide frequency band is difficult to meet the requirements by a conventional compensation circuit, a “distribution amplifier” appears. The frequency band of the distribution amplifier satisfies The above requirements.This article is ready to briefly introduce its practical calculation method and some specific considerations.