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A 300 GHz active frequency-doubler and integrated resistive mixer MMIC

 
: Kallfass, I.; Tessmann, A.; Massler, H.; Lopez-Diaz, D.; Leuther, A.; Schlechtweg, M.; Ambacher, O.

Gallium Arsenide Application Symposium Association -GAAS-; European Microwave Association:
4th European Microwave Integrated Circuits Conference, EuMIC 2009. Proceedings. CD-ROM : Held from 28 to 29 September 2009 in Rome, Italy, as part of the European Microwave Week
London: Horizon House, 2009
ISBN: 978-2-87487-012-5
S.200-203
European Microwave Integrated Circuits Conference (EuMIC) <4, 2009, Rome>
European Microwave Week <2009, Rome>
Englisch
Konferenzbeitrag
Fraunhofer IAF ()
MMIC; millimeter-wave frequency multiplication; millimeter-wave FET frequency conversion; MHEMT; 300 GHz

Abstract
An active frequency-doubler MMIC achieving an output frequency of 300GHz and its monolithic integration with a 300GHz resistive mixer is presented. The frequency-doubler provides a broadband source with an average output power of -9.5 dBm and better than 10 % conversion efficiency in the frequency range from 250 to 310 GHz. At 300 GHz, a nonsaturated output power of -6.4 dBm is measured at an input power of 1dBm. A 300GHz down-conversion mixer MMIC, combining the frequency-doubler with a resistive mixer, achieves a conversion loss of 20 dB in the RF range from 246 to 300 GHz. Both MMICs are realized in a metamorphic HEMT technology with 50 nm gate-length.

: http://publica.fraunhofer.de/dokumente/N-106619.html