A concurrent triple-band digital transmitter using feedforward noise cancellation for delta-sigma modulation
European Microwave Conference, pp. 1140-1143, 2017.
A concurrent triple-band digital transmitter architecture with relaxed RF output filter requirement is presented in this paper. With non-contiguous inter-band carrier aggregation, all digital transmitters based on delta-sigma modulation and pulse-width modulation have suffered from out-of-band noise and spurious tones, requiring extremely...More
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