gan 78In this paper, a hh-efficiency compact power amplifier is desned and fabricated with a 0.25 μm GaN hh electron mobility transistor (HEMT) to meet the demands of a hh93 Followers, 31 Following, 190 Posts - Gan Bong Hwa (@sylviagan78) on : Log In. Sn Up. sylviagan78. Follow. 190 posts. 93 followers. 30 following. Gan Bong Hwa. sylviagan78.