Design of MMIC Based Ka-Band Power Amplifier Using 0.15um GaN for Satellite Communication

This paper presents the design and performance evaluation of a 0.15um GaN Ka-band power amplifier using the Monolithic Microwave Integrated Circuit (MMIC) technique for satellite communication. Low loss prototype network are designed using Win semiconductor's 0.15um GaN process design kit(PDK). The amplifier achieves stability greater than 1.5, with S-parameter characteristics exhibiting S11 less than -10 dB, S21 greater than 10 dB, S22 less than -10 dB. Furthermore, a power added efficiency (PAE) of 25% is achieved. The results demonstrate the viability of the designed power amplifier for efficient and high gain in Ka-band satellite communication applications.