X-Band High Power SSPA for Satellite On-Board Applications

摘要

An X-band, 8W Solid State Power Amplifier (SSPA) has been described. The SSPA is a hybrid of GaAs MMIC drivers and GaAs FET power stages. The SSPA is developed, fabricated and qualified for on-board application in the data transmitter system of Chandrayaan-I spacecraft and future IRS spacecraft. The amplifier is suitable for production and has very less turnaround time. The paper discusses the design and performance parameters of the developed SSPA. A brief discussion on methods to achieve high output power at high frequencies has been presented.