A two-channel L-band GaAs MMIC LNA module for Satellite Application

Xiangyu Du,Ning Hua,Zhenhao Wang,Jie Dai,Huifeng Shang

2020 International Conference on Microwave and Millimeter Wave Technology (ICMMT)（2020）

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摘要

A L-band (1.24GHz-1.58GHz) MMIC LNA module with a RF switch was introduced. The signal was received from antenna in one channel, and from Doppler receiver in another. Two low noise GaAs MMIC amplifier chips and a RF switch were used in the module. The two-channel switched LNA presents 32dB, 2.8dB, -33dBm and 0.2W of small-signal gain, noise figure, IP1db and power consumption, respectively. The in-band isolation level of the 2 channels when the RF switch was off was equals to 44dB. The LNA module was fabricated in a single package occupying area of 43mm ×41mm×16mm. The design, fabrication and the performance of the LNA module were discussed in this paper.

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关键词

satellite application,RF switch,Doppler receiver,small-signal gain,noise figure,in-band isolation level,L-band MMIC LNA module,low noise MMIC amplifier chips,power consumption,noise figure 2.8 dB,power 0.2 W,size 43.0 mm,size 16.0 mm,gain 32.0 dB,size 41.0 mm,frequency 1.24 GHz to 1.58 GHz,GaAs

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