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本文叙述在17.5~18GHz频带工作的低噪声场效应晶体管放大器之实用设计及其性能.放大器包括三级级联微带放大电路和波导输入/输出端口,获得了4.5dB的噪声系数和17dB的总增益.
This article describes the practical design and performance of a low-noise FET transistor operating in the band 17.5-18 GHz.The amplifier includes three cascaded microstrip amplifiers and a waveguide input / output port, achieving a noise figure of 4.5 dB and a total of 17 dB Gain.