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An asymmetrical 60-90 GHz single-pole double throw switch MMIC

: Dyskin, A.; Peleg, N.; Wagner, S.; Ritter, D.; Kallfass, I.

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>
Conference Paper
Fraunhofer IAF ()
broadband; passive switch; GaAs mHEMT; single voltage; V-band; W-Band

We present the design and performance of a state-of-the- art broadband (60 to 90 GHz, 40%) millimeter-wave FET asymmetrical switch, realized in a metamorphic high electron mobility transistor (mHEMT) technology. The switch is dedicated to wireless communication or radiometry applications. It makes use of a single control voltage which simultaneously toggles between states. The two signal paths are asymmetrical, one using a series FET, the other a shunt-FET, and exhibit insertion losses of 2.8 and 1.7 dB, respectively. Broadband operation is achieved by introduction of matching stubs at each switch branch input.