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首页> 外文期刊>Microwave and optical technology letters >A 38-dBm POWER AMPLIFIER USING AlGaAs/InGaAs/GaAs PHEMT FOR S-BAND APPLICATIONS
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A 38-dBm POWER AMPLIFIER USING AlGaAs/InGaAs/GaAs PHEMT FOR S-BAND APPLICATIONS

机译:使用AlGaAs / InGaAs / GaAs PHEMT的38 dBm功率放大器,用于S波段应用

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摘要

A high-performance S-band power amplifier fabricated on a low-cost 20-mil-thick FR-4 printed circuit board (PCB) for S-band radar applications is demonstrated. The amplifier consists of a single-ended driver stage and a balanced output power stage utilizing Wilkinson power dividers/combiners with quarter-wave transmission lines. Under 10-V and 2.45-A dc bias condition, the S-band power amplifier with 23-dB small-signal gain, 38-dBm 1-dB gain-compression power with 25,6% power-added efficiency (PAE) and 3.9-dB noise figure can be achieved.. In addition, excellent linearity with a 48.73-dBm 3rd-order intercept point is also measured.
机译:展示了一种在S波段雷达应用的低成本20密耳厚FR-4印刷电路板(PCB)上制造的高性能S波段功率放大器。该放大器由一个单端驱动器级和一个平衡输出功率级组成,该级利用Wilkinson功率分配器/组合器与四分之一波长传输线组成。在10V和2.45A直流偏置条件下,S波段功率放大器具有23dB的小信号增益,38dBm的1dB增益压缩功率以及25.6%的功率附加效率(PAE)和可以实现3.9 dB的噪声系数。此外,还测量了48.73 dBm三阶截点的出色线性度。

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