A Ka-Band MMIC Single-Chip Frequency Converter for Telecom Satellite Applications
2020 15TH EUROPEAN MICROWAVE INTEGRATED CIRCUITS CONFERENCE (EUMIC)(2021)
Abstract
In this paper the design and experimental validation of a Ku band single chip frequency converter to be exploited in future generation telecom satellite converters is presented. The chip is manufactured exploiting a European 0.15-μm GaAs pHEMT MMIC technology occupying a total die area of 25 mm2. More than 45 dB of conversion gain are achieved in the broad IF frequency band from 9.7 GHz to 13.2 GHz synthesized by the LO frequency from 1.3 GHz to 3.3 GHz and the RF frequency in the band from 13.0 to 14.5 GHz. An output PldB of 22 dBm with an output TOI of 31 dBm have been measured. The chip also integrates 20 dB programmable gain attenuation, with 1 dB steps and a continuous 6 dB fine tuning of the gain to compensate for temperature variations. The chip is fully compliant to space derating conditions.
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Key words
MMIC,single chip,doubly balanced mixer,gain variation,space technology
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