Ram Sharma Nitesh Jagadheswaran Rajendran Harikrishnan Ramiah Binboga Siddik Yarman A 0.8 mm2 Sub-GHz GaAs HBT Power Amplifier for 5G Application Achieving 57.5% PAE and 28.5 dBm Maximum Linear Output Power. 158808-158819 2019 7 IEEE Access https://doi.org/10.1109/ACCESS.2019.2949369 db/journals/access/access7.html#NiteshRRY19