A Ka-Band Scalable Hybrid Phased Array Based on Four-Element ICs Chu, Ching-Yun ; Chen, Yuan-Pu ; Gao, Jing-Zhi ; Ke, Cheng-Yung ; Chen, Yu-Wei ; Chang, Li-Han ; Su, Borching ; Chu, Ta-Shun ; Wang, Yu-Jiu Abstract Publication: IEEE Transactions on Microwave Theory Techniques Pub Date: January 2020 DOI: 10.1109/TMTT.2019.2942596 Bibcode: 2020ITMTT..68..288C