HX116752C-405P40 is a GaN MMIC high power amplifier operating at 4.0GHz to 5.0GHz. It features 25dB power gain, 46dBm saturated output power, and 53% power added efficiency. Adopting GaN HEMT process and backside via grounding, it supports CW and pulse modes with 28V drain voltage and -2.4V gate voltage. Sized 3.5×3.4×0.08mm, it is widely used in microwave transceivers and solid-state transmitters.