RF Design Concepts

RF Design Concepts is centrally located in the Denver, Colorado metropolitan area, ideally situated to serve clients across the United States and worldwide. David Choi, Ph.D. is the founder and principal engineer of RF Design Concepts, Ltd. Dr. Choi brings over a decade of industrial experience in both the commercial and military sectors while, as... a visiting scholar at the University of California, San Diego, he collaborated on cutting edge academic research in highly linear and efficient (Envelope tracking/EER) RF transmitters. Dr. Choi earned his Ph.D. from the Department of Electrical and Computer Engineering at the University of California, Santa Barbara and a B.S. in physics from the University of California, Berkeley. Dr. Choi has authored and co-authored IEEE journal articles and presented IEEE conference papers in high efficiency (Switched mode/Class E) RF power amplifiers, linear and efficient (UMTS outphasing) RF transmitters, and tunable impedance matching networks.Read More