A 20 GHz Low Phase Noise Push-Push VCO in InGaP GaAs HBT Technology May 13, 2018 Jincan Zhang, Bo Liu, Leiming Zhang and Ligong Sun, Henan University of Science and Technology, Luoyang, China and Yuming Zhang, Hongliang Lu and Yimen Zhang, Xidian University, Key Laboratory of Wide Band-Gap Semiconductor Materials and Devices, Xi’an, China 0 Comments