Abstract
AbstractMiniaturizing the microwave circuits for micro-satellite platform has been one of the development trends in microwave remote sensing. A novel 89/118/166/183 GHz frequency dividing network is proposed in this paper which includes two stages: the first stage is an F-G band diplexer that separate 89/118 GHz signals from 166/183 GHz signals. The measured typical transmission loss is 1.5 dB from 83.75 to 124 GHz at one output port as well as 1dB from 141 to 190 GHz at another output port. The second stage contains two diplexers based on waveguide circuit to separate the signals further. The measured typical transmission loss is 0.5 dB for the 89/118 GHz diplexer and 1 dB for the 166/183 GHz diplexer. The above-mentioned frequency dividing network has a vast application prospect due to compact structure and good performance.
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