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).

Copyright © 2018 IEEE - All rights reserved. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.


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