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7.5-14-GHz CE HBT MMIC linear power amplifier

机译:7.5-14 GHz CE HBT MMIC线性功率放大器

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A common-emitter (CE) AlGaAs-GaAs HBT MMIC amplifier was made to operate in X-band. 1-W CW output power was achieved in saturated power operation from 7.5 to 12 GHz. In class A linear power operation, it provides 26-dBm CW power. The amplifier shows low two-tone intermodulation distortion: better than -20 dBc IM/sub 3/ at 1-dB compression point throughout the 7.5-14-GHz bandwidth. The low third-order intermodulation distortion is a direct result of the excellent linear power performance of the CE AlGaAs-GaAs HBT. The combination of good efficiency, low third-order intermodulation distortion, and broad bandwidth in this MMIC amplifier clearly demonstrates the potential of the CE HBT in communication transmitter applications.
机译:制作了一个共发射极(CE)AlGaAs-GaAs HBT MMIC放大器,使其在X波段工作。在7.5至12 GHz的饱和功率下可实现1W CW输出功率。在A类线性功率操作中,它提供26 dBm的连续波功率。该放大器显示出较低的两音互调失真:在整个7.5-14 GHz带宽内,在1 dB压缩点处优于-20 dBc IM / sub 3 /。低三阶互调失真是CE AlGaAs-GaAs HBT出色的线性功率性能的直接结果。该MMIC放大器的高效率,低三阶互调失真和宽带宽相结合,清楚地证明了CE HBT在通信发射机应用中的潜力。

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