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To prevent the performance degradation of a power amplifier (PA) from an antenna impedance mismatch, we propose a fully integrated PA with an automatic antenna-mismatch correction system. Using only voltage amplitude information, this method reduces the complexity of the system while compensating impedance mismatch at all mismatched impedance angles. The proposed PA is implemented in 0.18-...
A 2.4 GHz reconfigurable CMOS power amplifier to minimize antenna mismatch effects is presented. The PA is implemented by using a 0.18-μm RF CMOS process, and the supply voltage is 3.3 V. The proposed PA is compared to a conventional PA with a fixed matching network. By utilizing the proposed reconfigurable matching network, both the efficiency and the output power are improved under an...
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