Ali Nikoofard, Patrick P. Mercier. A 900MHz GFSK and 16-FSK TX Achieving Up to 63.9% TX Efficiency and 76.2% PA Efficiency via a DC-DC-Powered Class-D VCO and a Class-E PA. IEEE Trans. Circuits Syst. II Express Briefs, 69(9):3739-3743, 2022. [doi]
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