Ahn, Hee-Ran

HEE-RAN AHN, PhD, is a member of the Department of Electronics and Electrical Engineering at Pohang University of Science and Technology (POSTECH), Korea. Dr. Ahn is internationally recognized as a leader and innovator in asymmetric passive components such as ring and branch-line hybrids, power dividers, phase shifters, attenuators, and impedance transformers (CVTs and CCTs).