Design of a Multistage X Band Power Amplifier

This paper aims to design a multistage X band Power Amplifier design using a GaN HEMT active device from CREE-CGHV1J006D. The given amplifier is designed for a frequency 11.7 GHz. The output power of the three stage power amplifier was 4.8 W with Power Added Efficiency (PAE) close to 35%. This design is intended for space applications where a power amplifier module in the transmitter is the most power consuming device and, hence, should be able to minimize the power consumption with a better efficiency possible.