Abstract
A 2.4-GHz Doherty power amplifier (PA) is developed in 0.18-μm CMOS technology. An automatic adaptive bias control circuit is integrated with the auxiliary PA to improve the overall performance of the PA. Operated at 3 V, the P 1 dB and associated power-added-efficiency (PAE) of the PA are 21 dBm and 33%, respectively. At the output power 6-dB backoff from P 1 dB, the PAE remains 21 %. The limited PAE degradation at backoff power levels makes the PA suitable for the applications with high peak-to-average power ratio. © 2006 IEEE.
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Chen, Y. J. E., Liu, C. Y., Luo, T. N., & Heo, D. (2006). A high-efficient CMOS RF power amplifier with automatic adaptive bias control. IEEE Microwave and Wireless Components Letters, 16(11), 615–617. https://doi.org/10.1109/LMWC.2006.884909
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