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The paper presents the design and fabrication of a low-loss fixed-tuned 118 GHz subharmonically pumped mixer, using commercially available GaAs Schottky barrier diodes flip-chipped onto a suspended microstrip circuit. The simulation performance of the mixer exhibits a double side band (DSB) conversion loss below 10 dB over the range of 113-123-GHz, with 6 mW of local oscillator (LO) power. At 118...
This paper presents the optimization and design of a low-loss fixed-tuned 215-235-GHz sub-harmonic mixer, pumped by planar GaAs Schottky diodes fabricated by European company for space-borne radiometers. The circuits are fully integrated with the RF/IF filter and flip-chipped onto a suspended quartz-based substrate. The GaAs Gunn oscillator is used as the local-oscillator (LO) and this paper also...
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