A High-Efficiency Ultra-Broadband Mixed-Mode GaN HEMT Power Amplifier. - Ragavan Krishnamoorthy; Narendra Kumar 001; Andrei Grebennikov; Harikrishnan Ramiah (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

Broadband RF Power Amplifier with Combination of Large Signal X-Parameter and Real Frequency Techniques. - Ragavan Krishnamoorthy; Narendra Kumar 001; Andrei Grebennikov; Binboga Siddik Yarman; Harikrishnan Ramiah (IEICE Trans. Electron., 2020)