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HEMT oscillators for millimeter wave systems in coplanar waveguide technology

HEMT Oszillatoren für Millimeterwellensysteme in koplanarer Schaltungstechnik


Freeman, M.:
28th European Microwave Conference 1998. Conference proceedings. Vol.2
Amsterdam, 1998
European Microwave Conference (EuMC) <28, 1998, Amsterdam>
Conference Paper
Fraunhofer IAF ()
coplanar; MMIC; oscillator; phase noise; Phasenrauschen; VCO

The potential of HEMT oscillators as signal sources for millimeter wave systems was investigated. Free running, varactor tuned and subharmonic injection locked oscillators, based on 0.15 mu m AlGaAs/InGaAs/GaAs HEMTs have been developed at millimeter wave frequencies from 35 to 94 GHz. Integration of these oscillators with amplifiers in a coplanar environment has been demonstrated.