高效率瓦特级e波段氮化镓功率放大器与紧凑型低损耗合成器

B. Cimbili, C. Friesicke, F. van Raay, S. Wagner, M. Bao, R. Quay
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引用次数: 4

摘要

提出了一种采用紧凑的低损耗分布式匹配网络(DMN)实现输出匹配和功率组合的三级e波段(71 ~ 83 GHz)功率放大器(PA)。因此,测量的PA在整个频段内的输出功率为30.4 dBm±0.9 dB (1.12 W±0.23 W)。该放大器在78 GHz时的峰值输出功率为1.35 W,功率附加效率(PAE)为20.8%,功率增益为16.3 dB。对应的功率密度为1.87 W/mm。当偏置10V电源电压时,峰值PAE达到25%。据作者所知,功率增益和相关功率密度的峰值PAE是e波段GaN技术中报道的最高值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High-Efficiency Watt-Level E-band GaN Power Amplifier with a Compact Low-loss Combiner
This paper presents a 3-stage E-band (71–83 GHz) power amplifier (PA) that employs a compact low-loss distributed matching network (DMN), which performs both the output matching and power combining. As a result of this, the measured PA achieves an output power of 30.4 dBm ± 0.9 dB (1.12 W ± 0.23 W) across the band. The PA achieves a peak output power of 1.35 W with a power-added efficiency (PAE) of 20.8% and a power gain of 16.3 dB at 78 GHz. The associated power density is 1.87 W/mm. When biased with 10V supply voltage, a peak PAE of 25% is reached. To the best of the authors’ knowledge, the peak PAE with the power gain and associated power density are the highest values reported in GaN technologies at E-band.
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