Al-Raie, F., M. H. Al-Muifraje, and T. R. S. Al-Waily. “High Efficiency Continuous Inverse Class-F Power Amplifier With Modified Current Waveform ”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), vol. 19, no. 3, July 2020, pp. AoP 379-395, doi:10.1590/2179-10742020v19i3849.