Broadband GaAs pHemt LNA design for T/R module application

Phong Dai Le, Vu Duy Thong, Pham Le Binh


In this paper, a three stages monolithic low noise amplifier (LNA) for T/R module application is presented. This LNA is fully integrated on 0.15-um pHEMT GaAs technology and achieves a wide bandwidth from 6 GHz to 11 GHz. Within this band, the LNA has the minimum of 1.3 dB noise figure and over 25 dB small signal gain. The output third order interception point (OIP3) is over 30 dBm and the 1 dB compression point (P1 dB) is 16 dBm at the output.


LNA; T/R Module; X-Band; MMIC; GaAs; radar; integrated circuit.

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Published by Vietnam Academy of Science and Technology