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Design Considerations of the Interpolative Digital Transmitter for Quantization Noise and Replicas Rejection | IEEE Journals & Magazine | IEEE Xplore

Design Considerations of the Interpolative Digital Transmitter for Quantization Noise and Replicas Rejection


Abstract:

The digital transmitter (DTX) offers both high power efficiency and frequency flexibility by merging signal amplification and modulation in the switching power amplifier....Show More

Abstract:

The digital transmitter (DTX) offers both high power efficiency and frequency flexibility by merging signal amplification and modulation in the switching power amplifier. Yet, the back-end high-speed digital baseband interface is challenging and bulky for obtaining low out-of-band noise. This brief provides an analytical study of the DTX linear interpolation technique, which can be easily utilized for optimizing the replica rejection and noise-filtering capabilities of the DTX.
Page(s): 37 - 41
Date of Publication: 07 March 2019

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