Eswaran, U., H. Ramiah, and J. Kanesan. “A High Efficiency 1.8W Power Amplifier for Wireless Communications”. Elektronika ir Elektrotechnika 20, no. 8 (October 3, 2014): 30-33. Accessed September 29, 2022. https://eejournal.ktu.lt/index.php/elt/article/view/2949.