S. Ali, D., S. H. Hussein, and A. A. Ismail. “A 90-Nm CMOS Quadrature Power Amplifier With High Efficiency Designed For Wireless Application”. Al-Rafidain Engineering Journal (AREJ), vol. 23, no. 5, Dec. 2015, pp. 54-68, doi:10.33899/rengj.2015.108997.