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Published in:
2010 | OriginalPaper | Chapter
Broadband MMIC Power Amplifier for X Band Applications
Authors : Jiang Xia, Zhao Zhengping, Zhang Zhiguo, Luo Xinjiang, Yang Ruixia, Feng Zhihong
Published in: Advances in Wireless Networks and Information Systems
Publisher: Springer Berlin Heidelberg
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The large signal model of a PHEMT with total gate width 850
μ
m is achieved by microwave on-wafer test and IC-CAP software, then the design and optimization of circuit are implemented by ADS software. A three-stage broadband power amplifier is designed with above model. At operation frequency from 6 to 18 GHz, the output power is over 33dBm, the power gain is higher than 19dB and the PAE is more than 25%. Otherwise, the power amplifier has better power gain flatness.