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An active gate-pumped transconductance upconverter for terahertz frequencies

: Grötsch, Christopher M.; Wagner, Sandrine; Kallfass, Ingmar

Verband Deutscher Elektrotechniker e.V. -VDE-, Berlin; Institut für Mikrowellen- und Antennentechnik e.V. -IMA-:
German Microwave Conference, GeMiC 2019 : 25-27 March 2019, Stuttgart, Germany
Stuttgart, 2019
ISBN: 978-3-9812668-9-4
German Microwave Conference (GeMiC) <12, 2019, Stuttgart>
Fraunhofer IAF ()
S-MMIC; frequency conversion; millimeterwave communication

A single-ended active frequency upconverter for H-band applications is presented. The mixer is designed for a LO frequency at 300 GHz and shows a flat conversion gain curve over a large bandwidth from 270 to 313 GHz with a conversion loss of 7 dB at a very low LO input power of -3 dBm. In saturation a simulated gain of almost 1 dB is reached. The MMIC was realized in a 35nm gate-length InGaAs-based metamorphic HEMT technology.