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

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


Journal of infrared, millimeter, and terahertz waves 35 (2014), Nr.4, S.412-417
ISSN: 1866-6892
ISSN: 1866-6906
Fraunhofer IAF ()

This paper introduces an active millimeter-wave switch in a GaAs metamorphic high electron mobility transistor (mHEMT) technology. The active switch exhibits broadband performance (60 to 90 GHz, 40%), a gain of 10 dB with flat frequency response and average noise figure of 2.8 dB. The unilateral receiver topology is dedicated to radiometry applications. The design combines two input-matched low noise amplifiers with an output capacitance compensation network. The switch consumes 28 mW.