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A 220 to 320 GHz broadband active frequency multiplier-by-eight MMIC

: Lewark, U.J.; Tessmann, A.; Wagner, S.; Leuther, A.; Zwick, T.; Kallfass, I.

IEEE Microwave Theory and Techniques Society; European Microwave Association; Institute of Electrical and Electronics Engineers -IEEE-:
9th European Microwave Integrated Circuits Conference, EuMIC 2014. Proceedings : 06-07 October 2014, Italy, Rome, EuMW 2014, European Microwave Week
Piscataway, NJ: IEEE, 2014
ISBN: 978-1-4799-5473-5
ISBN: 978-2-87487-036-1
European Microwave Integrated Circuits Conference (EuMIC) <9, 2014, Rome>
European Microwave Week (EuMW) <17, 2014, Rome>
Conference Paper
Fraunhofer IAF ()
millimeter-wave integrated circuit (MMIC); frequency multiplier; millimeter-wave FET integrated circuits; WR-3 band

For broadband signal generation in the high millimeter-wave range we present a frequency multiplier-by-eight MMIC. The measured output tuning bandwidth from 220 to 320GHz almost covers the entire WR-03 waveguide band (220-325GHz). On chip interstage and post amplification result in a maximum output power of 2.5 dBm at an output frequency of 260GHz. Due to the high multiplication factor in-band harmonics are measured with a frequency-selective method and verify the dominant presence of the wanted eighth harmonic. The MMIC is realized in a metamorphic high electron mobility transistor (mHEMT) technology with a gate length of 35 nm.