一种用于卫星通信的c波段低噪声放大器

1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390) Pub Date : 1900-01-01 DOI:10.1109/MTTTWA.1999.755155

K. Benboudjema, K. Ali

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引用次数: 3

摘要

采用伪晶HEMT技术，研制了一种用于卫星通信的混合c波段低噪声放大器(LNA)，其门长为0.25 /spl mu/m。在3.7-4.2 GHz频率范围内，三级LNA在室温下的噪声系数为1.9 dB，相关增益为24.5 dB。在两个音间距为5 MHz的情况下，得到18.5 dBm的输出三阶截距[1P3]。放大器从2v电源耗散95mw。

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A C-band low noise amplifier for satellite communications

A hybrid C-band low noise amplifier (LNA) has been developed for satellite communication applications, using a pseudomorphic HEMT technology with a gate-length of 0.25 /spl mu/m. The three-stage LNA has achieved, a noise figure of 1.9 dB with an associated gain of 24.5 dB at ambient room temperature over a 3.7-4.2 GHz frequency range. The output third order intercept point [1P3] of 18.5 dBm was obtained with the two tone spacing of 5 MHz. The amplifier dissipates 95 mW from a 2 V supply.

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1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390)

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