Sapawi, R., Asyraf, A., Mohamad, D.H.A., Sahari, S., Masra, S., Kipli, K., Julai, N., Junaidi, N., Salleh, D. and Murad, S. 2016. High Gain of 3.1-5.1 GHz CMOS Power Amplifier for Direct Sequence Ultra-Wideband Application. Journal of Telecommunication, Electronic and Computer Engineering (JTEC). 8, 12 (Dec. 2016), 99–103.