GaN-based digital transmitter architectures for 5G
F. Hühn, A. Wentzel, W. Heinrich
Published in:
International Symposium on VLSI Design, Automation and Test (VLSI-DAT 2018), Hsinchu, Taiwan, Apr 16-19 (2018).
Abstract:
Fully digital transmitter chains are an important step towards the software-defined radio. Digital amplification is obtained by encoding the baseband signal into a binary bit stream and amplifying this signal with a simple switch. The wanted analog signal is restored in a simple passive band-pass filter. This paper provides a brief overview on the principle of operation, requirements, and new opportunities enabled by the use of digital transmitter chains. Recent results of research in this field are presented.
Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, 12489 Berlin, Germany
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