Mitsubishi will begin sampling its GaN MMIC power amplifiers for use in Ka band satellite communication earth stations next month. The MGFGC5H3102 and MGFGC5H3103 cover a frequency band of 27.5 GHz to 31 GHz and deliver 8 W and 14 W of output power, respectively.
While the mainstream frequency for satellite communications is currently the Ku band (13 GHz to 14 GHz), the higher-frequency Ka band enables the use of multibeam technology and provides wider bandwidth for transmitting more data. The expansion of Mitsubishi’s GaN HEMT lineup with Ka band products will support the growth of satellite news gathering (SNG) services and SATCOM emergency systems.
The 8-W MGFGC5H3102 and 14-W MGFGC5H3103 are supplied as small bare chips, and their miniaturization will contribute to smaller SATCOM earth satellites. According to Mitsubishi, the devices’ increased power added efficiency of more than 20% at maximum linear power will also help reduce power consumption in these stations.
The GaN MMIC power amplifiers were exhibited at the recent IEEE MTT-S International Microwave Symposium. Datasheets were not available at the time of this announcement.
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