Concurrent Multi-Band Envelope Modulated Power Amplifier Linearized Using Extended Phase-Aligned DPD
Abstract: This paper reports an envelope tracking (ET) transmitter architecture for multi-band/widely-spaced carrier signals. Due to the bandwidth limitations of the envelope modulator, the dynamic ...
Abstract: This letter presents a highly efficient CMOS power amplifier (PA) with adaptive envelope-tracking (ET) techniques. The linearity and efficiency of the PA are improved by ET-based techniques ...
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