Keum-Won Ha, Hyuk Ryu, Joonhong Park, and Donghyun Baek, “Complementary Current-Reuse Armstrong and Armstrong-Colpitts Voltage Controlled Oscillator using Transformer,” 제 14회 RF/아날로그 회로 워크샵, pp 453-454, Sept, 2014.
Keum-Won Ha, Hyuk Ryu, Joonhong Park, and Donghyun Baek, “Complementary Current-Reuse Armstrong and Armstrong-Colpitts Voltage Controlled Oscillator using Transformer,” 제 14회 RF/아날로그 회로 워크샵, pp 453-454, Sept, 2014.