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This paper presents a fully integrated CMOS power amplifier (PA) with a dynamic feedback and gate biasing. The two dynamic circuits improve the linearity and efficiency of the stand-alone PA and ET PA. The proposed CMOS ET PA including the dynamic control circuits is fabricated using 0.18-μm CMOS process. For a long-term evolution (LTE) signal at 1.85 GHz with a 10-MHz bandwidth and a 16-QAM 7.5 dB...
A CMOS saturated power amplifier (PA) is developed for optimally implementing the envelope-tracking (ET) transmitter. The CMOS saturated PA is used to maximize the efficiency of the ET PA. The dynamic feedback control and the biasing techniques at the gates of the common-gate stage and the common-source of the cascode structure are proposed to improve the dynamic range, linearity and efficiency. The...
This paper presents a fully-integrated linear CMOS power amplifier (PA) with an adaptive gate bias circuit in Common-Gate (CG) amplifiers. The bias circuit is proposed to achieve a high linearity with deep class-AB biasing of Common-Source (CS) stage. The proposed single stage PA including the bias circuit is fabricated using 0.18-μm RF CMOS technology. The adaptive gate bias circuit improves the...
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