Young-Jin Kim (Member, IEEE) received the B.S. degree from Kyung-Pook National University, in 1995, and the M.S. and Ph.D. degrees from KAIST, in 1997 and 2002, respectively, all in electrical engineering. His Ph.D. dissertation focused on the transceiver architecture about image rejection and spurious rejection. In 2002, he joined Samsung Electronics Company, Ltd., South Korea. Since 2002, he has been designing LNA and down-conversion mixer for multi-mode CDMA and GSM/GPRS. In 2006, he joined the School of Electronics and Information Engineering, Korea Aerospace University, Seoul, South Korea.