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A 240 GHz quadrature receiver and transmitter for data transmission up to 40 Gbit/s

: Lopez-Diaz, D.; Tessmann, A.; Leuther, A.; Wagner, S.; Schlechtweg, M.; Ambacher, O.; König, S.; Antes, J.; Boes, F.; Kurz, F.; Henneberger, R.

European Microwave Association:
8th European Microwave Integrated Circuits Conference, EuMIC 2013. Proceedings : 6-8 Oct 2013, Nuremberg, Germany; European Microwave Week
London: Horizon House, 2013
ISBN: 978-2-87487-032-3
European Microwave Integrated Circuits Conference (EuMIC) <8, 2013, Nuremberg>
European Microwave Week (EuMW) <16, 2013, Nuremberg>
Fraunhofer IAF ()
data transmission; frequency conversion; millimeter-wave monolithic integrated circuit (MMIC); subharmonic mixer; wireless communication

Based on active millimeter-wave monolithic integrated circuits (MMICs), a pair of receiver and transmitter modules have been developed and used for wireless data transmission experiments at 240 GHz with data rates of up to 40 Gbit/s. Both modules are driven with a subharmonic local oscillator, located at 120 GHz and feature broadband quadrature I/Q IF terminals. The receiver module has a maximum conversion gain of 3.8 dB at 240 GHz. The I/Q imbalance stays below 1.9 dB in the frequency range from 200 to 280 GHz. The transmitter achieves a maximum output power of -3.6 dBm.