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Device characterization demonstrates a 5 dB noise figure at 95 GHz using novel notch-front diodes, highlighting improved signal reception for high-frequency millimeter-wave systems.
A new diode chip is described which has lower parasitics and a smaller series resistance than conventional millimetre-wave diodes. A subharmonically pumped mixer built with a pair of these notch-front diodes has shown a single sideband mixer noise figure of 5 dB and a mixer noise temperature of 400 K at a signal frequency of 95 GHz.
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Schneider et al. (1977) studied this question.
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