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Ultra-wideband single-balanced transmitter-MMIC for 300 GHz communication systems

: Antes, J.; Boes, F.; Meier, D.; Messinger, T.; Lewark, U.J.; Tessmann, A.; Wagner, S.; Kallfass, I.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Microwave Theory and Techniques Society:
International Microwave Symposium, IMS 2014 : 1-6 June 2014, Tampa Bay, Florida
Piscataway, NJ: IEEE, 2014
ISBN: 978-1-4799-3868-1
ISBN: 978-1-4799-3869-8
3 pp.
International Microwave Symposium (IMS) <2014, Tampa Bay/Fla.>
Conference Paper
Fraunhofer IAF ()
millimeter-wave monolithic integrated circuit (MMIC); millimeter-wave communication; single-balanced mixer; THz wireless communication

An ultra-wideband transmitter MMIC based on a single-balanced mixer circuit for high-speed communication systems around 300GHz has been successfully realized in a 35nm mHEMT technology. Besides the single-balanced mixer cell, the transmitter comprises a frequency tripler followed by a buffer amplifier in the LO path as well as an RF post-amplifier on a single chip. Chip measurements show an output power above 0 dBm, paired to a conversion gain of 0 dB and a 3-dB IF bandwidth of 40GHz for the transmitter MMIC, which makes it a perfect candidate for the next generation of 100 Gbit/s indoor communication systems.