Sa’Ahmad, D.A., R. Sapawi, S.M.W. Masra, D.H.A. Mohamad, D.S.A.A. Yusuf, S.K. Sahari, and M. Sawawi. “A Review of Highly Efficient Class F Power Amplifier Design Technique in Gigahertz Frequencies”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 2-9 (September 15, 2017): 181–188. Accessed November 28, 2022. https://jtec.utem.edu.my/jtec/article/view/2695.